import { sql } from 'drizzle-orm';
import {
  index,
  integer,
  numeric,
  sqliteTable,
  text,
  uniqueIndex
} from 'drizzle-orm/sqlite-core';
import type { TaskStageContext } from '@/lib/types';

type FilingMetrics = {
  revenue: number | null;
  netIncome: number | null;
  totalAssets: number | null;
  cash: number | null;
  debt: number | null;
};

type TaxonomyAssetType =
  | 'instance'
  | 'schema'
  | 'presentation'
  | 'label'
  | 'calculation'
  | 'definition'
  | 'pdf'
  | 'other';

type TaxonomyParseStatus = 'ready' | 'partial' | 'failed';
type TaxonomyMetricValidationStatus = 'not_run' | 'matched' | 'mismatch' | 'error';
type CoverageStatus = 'backlog' | 'active' | 'watch' | 'archive';
type CoveragePriority = 'low' | 'medium' | 'high';
type ResearchJournalEntryType = 'note' | 'filing_note' | 'status_change';
type ResearchArtifactKind = 'filing' | 'ai_report' | 'note' | 'upload' | 'memo_snapshot' | 'status_change';
type ResearchArtifactSource = 'system' | 'user';
type ResearchVisibilityScope = 'private' | 'organization';
type ResearchMemoRating = 'strong_buy' | 'buy' | 'hold' | 'sell';
type ResearchMemoConviction = 'low' | 'medium' | 'high';
type ResearchMemoSection =
  | 'thesis'
  | 'variant_view'
  | 'catalysts'
  | 'risks'
  | 'disconfirming_evidence'
  | 'next_actions';
type FinancialCadence = 'annual' | 'quarterly' | 'ltm';
type SearchDocumentScope = 'global' | 'user';
type SearchDocumentSourceKind = 'filing_document' | 'filing_brief' | 'research_note';
type SearchIndexStatus = 'pending' | 'indexed' | 'failed';
type FinancialSurfaceKind =
  | 'income_statement'
  | 'balance_sheet'
  | 'cash_flow_statement'
  | 'ratios'
  | 'segments_kpis'
  | 'adjusted'
  | 'custom_metrics';

type FilingAnalysis = {
  provider?: string;
  model?: string;
  text?: string;
  legacyInsights?: string;
  extraction?: {
    summary: string;
    keyPoints: string[];
    redFlags: string[];
    followUpQuestions: string[];
    portfolioSignals: string[];
    segmentSpecificData: string[];
    geographicRevenueBreakdown: string[];
    companySpecificData: string[];
    secApiCrossChecks: string[];
    confidence: number;
  };
  extractionMeta?: {
    provider: string;
    model: string;
    source: 'primary_document' | 'metadata_fallback';
    generatedAt: string;
  };
};

type FinancialStatementKind = 'income' | 'balance' | 'cash_flow' | 'equity' | 'comprehensive_income';

type FilingStatementPeriod = {
  id: string;
  filingId: number;
  accessionNumber: string;
  filingDate: string;
  periodStart: string | null;
  periodEnd: string | null;
  filingType: '10-K' | '10-Q';
  periodLabel: string;
};

type StatementValuesByPeriod = Record<string, number | null>;

type FilingFaithfulStatementSnapshotRow = {
  key: string;
  label: string;
  concept: string | null;
  order: number;
  depth: number;
  isSubtotal: boolean;
  values: StatementValuesByPeriod;
};

type StandardizedStatementSnapshotRow = {
  key: string;
  label: string;
  concept: string;
  category: string;
  sourceConcepts: string[];
  values: StatementValuesByPeriod;
};

type DimensionStatementSnapshotRow = {
  rowKey: string;
  concept: string | null;
  periodId: string;
  axis: string;
  member: string;
  value: number | null;
  unit: string | null;
};

type FilingStatementBundle = {
  periods: FilingStatementPeriod[];
  statements: Record<FinancialStatementKind, FilingFaithfulStatementSnapshotRow[]>;
};

type StandardizedStatementBundle = {
  periods: FilingStatementPeriod[];
  statements: Record<FinancialStatementKind, StandardizedStatementSnapshotRow[]>;
};

type DimensionStatementBundle = {
  statements: Record<FinancialStatementKind, DimensionStatementSnapshotRow[]>;
};

type TaxonomyDimensionMember = {
  axis: string;
  member: string;
};

type TaxonomyStatementSnapshotRow = {
  key: string;
  label: string;
  conceptKey: string;
  qname: string;
  namespaceUri: string;
  localName: string;
  isExtension: boolean;
  statement: FinancialStatementKind;
  roleUri: string | null;
  order: number;
  depth: number;
  parentKey: string | null;
  values: Record<string, number | null>;
  units: Record<string, string | null>;
  hasDimensions: boolean;
  sourceFactIds: number[];
};

type TaxonomyStatementBundle = {
  periods: FilingStatementPeriod[];
  statements: Record<FinancialStatementKind, TaxonomyStatementSnapshotRow[]>;
};

type TaxonomySurfaceSnapshotRow = {
  key: string;
  label: string;
  category: string;
  templateSection?: string;
  order: number;
  unit: 'currency' | 'count' | 'shares' | 'percent' | 'ratio';
  values: Record<string, number | null>;
  sourceConcepts: string[];
  sourceRowKeys: string[];
  sourceFactIds: number[];
  formulaKey: string | null;
  hasDimensions: boolean;
  resolvedSourceRowKeys: Record<string, string | null>;
  statement?: 'income' | 'balance' | 'cash_flow';
  detailCount?: number;
};

type TaxonomyDetailSnapshotRow = {
  key: string;
  parentSurfaceKey: string;
  label: string;
  conceptKey: string;
  qname: string;
  namespaceUri: string;
  localName: string;
  unit: string | null;
  values: Record<string, number | null>;
  sourceFactIds: number[];
  isExtension: boolean;
  dimensionsSummary: string[];
  residualFlag: boolean;
};

type TaxonomyDetailStatementMap = Record<string, TaxonomyDetailSnapshotRow[]>;

type StructuredKpiSnapshotRow = {
  key: string;
  label: string;
  category: string;
  unit: 'currency' | 'count' | 'shares' | 'percent' | 'ratio';
  order: number;
  segment: string | null;
  axis: string | null;
  member: string | null;
  values: Record<string, number | null>;
  sourceConcepts: string[];
  sourceFactIds: number[];
  provenanceType: 'taxonomy' | 'structured_note';
  hasDimensions: boolean;
};

type TaxonomyNormalizationSummary = {
  surfaceRowCount: number;
  detailRowCount: number;
  kpiRowCount: number;
  unmappedRowCount: number;
  materialUnmappedRowCount: number;
  warnings: string[];
};

type TaxonomyMetricValidationCheck = {
  metricKey: keyof FilingMetrics;
  taxonomyValue: number | null;
  llmValue: number | null;
  absoluteDiff: number | null;
  relativeDiff: number | null;
  status: TaxonomyMetricValidationStatus;
  evidencePages: number[];
  pdfUrl: string | null;
  provider: string | null;
  model: string | null;
  error: string | null;
};

type TaxonomyMetricValidationResult = {
  status: TaxonomyMetricValidationStatus;
  checks: TaxonomyMetricValidationCheck[];
  validatedAt: string | null;
};

const authDateColumn = {
  mode: 'timestamp_ms'
} as const;

export const user = sqliteTable('user', {
  id: text('id').primaryKey().notNull(),
  name: text('name').notNull(),
  email: text('email').notNull(),
  emailVerified: integer('emailVerified', { mode: 'boolean' }).notNull().default(false),
  image: text('image'),
  createdAt: integer('createdAt', authDateColumn).notNull(),
  updatedAt: integer('updatedAt', authDateColumn).notNull(),
  role: text('role'),
  banned: integer('banned', { mode: 'boolean' }).default(false),
  banReason: text('banReason'),
  banExpires: integer('banExpires', authDateColumn)
}, (table) => ({
  userEmailUnique: uniqueIndex('user_email_uidx').on(table.email)
}));

export const organization = sqliteTable('organization', {
  id: text('id').primaryKey().notNull(),
  name: text('name').notNull(),
  slug: text('slug').notNull(),
  logo: text('logo'),
  createdAt: integer('createdAt', authDateColumn).notNull(),
  metadata: text('metadata')
}, (table) => ({
  organizationSlugUnique: uniqueIndex('organization_slug_uidx').on(table.slug)
}));

export const session = sqliteTable('session', {
  id: text('id').primaryKey().notNull(),
  expiresAt: integer('expiresAt', authDateColumn).notNull(),
  token: text('token').notNull(),
  createdAt: integer('createdAt', authDateColumn).notNull(),
  updatedAt: integer('updatedAt', authDateColumn).notNull(),
  ipAddress: text('ipAddress'),
  userAgent: text('userAgent'),
  userId: text('userId').notNull().references(() => user.id, { onDelete: 'cascade' }),
  impersonatedBy: text('impersonatedBy'),
  activeOrganizationId: text('activeOrganizationId')
}, (table) => ({
  sessionTokenUnique: uniqueIndex('session_token_uidx').on(table.token),
  sessionUserIdIndex: index('session_userId_idx').on(table.userId)
}));

export const account = sqliteTable('account', {
  id: text('id').primaryKey().notNull(),
  accountId: text('accountId').notNull(),
  providerId: text('providerId').notNull(),
  userId: text('userId').notNull().references(() => user.id, { onDelete: 'cascade' }),
  accessToken: text('accessToken'),
  refreshToken: text('refreshToken'),
  idToken: text('idToken'),
  accessTokenExpiresAt: integer('accessTokenExpiresAt', authDateColumn),
  refreshTokenExpiresAt: integer('refreshTokenExpiresAt', authDateColumn),
  scope: text('scope'),
  password: text('password'),
  createdAt: integer('createdAt', authDateColumn).notNull(),
  updatedAt: integer('updatedAt', authDateColumn).notNull()
}, (table) => ({
  accountUserIdIndex: index('account_userId_idx').on(table.userId)
}));

export const verification = sqliteTable('verification', {
  id: text('id').primaryKey().notNull(),
  identifier: text('identifier').notNull(),
  value: text('value').notNull(),
  expiresAt: integer('expiresAt', authDateColumn).notNull(),
  createdAt: integer('createdAt', authDateColumn).notNull(),
  updatedAt: integer('updatedAt', authDateColumn).notNull()
}, (table) => ({
  verificationIdentifierIndex: index('verification_identifier_idx').on(table.identifier)
}));

export const member = sqliteTable('member', {
  id: text('id').primaryKey().notNull(),
  organizationId: text('organizationId').notNull().references(() => organization.id, { onDelete: 'cascade' }),
  userId: text('userId').notNull().references(() => user.id, { onDelete: 'cascade' }),
  role: text('role').notNull().default('member'),
  createdAt: integer('createdAt', authDateColumn).notNull()
}, (table) => ({
  memberOrganizationIdIndex: index('member_organizationId_idx').on(table.organizationId),
  memberUserIdIndex: index('member_userId_idx').on(table.userId)
}));

export const invitation = sqliteTable('invitation', {
  id: text('id').primaryKey().notNull(),
  organizationId: text('organizationId').notNull().references(() => organization.id, { onDelete: 'cascade' }),
  email: text('email').notNull(),
  role: text('role'),
  status: text('status').notNull().default('pending'),
  expiresAt: integer('expiresAt', authDateColumn).notNull(),
  createdAt: integer('createdAt', authDateColumn).notNull(),
  inviterId: text('inviterId').notNull().references(() => user.id, { onDelete: 'cascade' })
}, (table) => ({
  invitationOrganizationIdIndex: index('invitation_organizationId_idx').on(table.organizationId),
  invitationEmailIndex: index('invitation_email_idx').on(table.email)
}));

export const watchlistItem = sqliteTable('watchlist_item', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  ticker: text('ticker').notNull(),
  company_name: text('company_name').notNull(),
  sector: text('sector'),
  category: text('category'),
  tags: text('tags', { mode: 'json' }).$type<string[]>(),
  status: text('status').$type<CoverageStatus>().notNull().default('backlog'),
  priority: text('priority').$type<CoveragePriority>().notNull().default('medium'),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull(),
  last_reviewed_at: text('last_reviewed_at')
}, (table) => ({
  watchlistUserTickerUnique: uniqueIndex('watchlist_user_ticker_uidx').on(table.user_id, table.ticker),
  watchlistUserCreatedIndex: index('watchlist_user_created_idx').on(table.user_id, table.created_at),
  watchlistUserUpdatedIndex: index('watchlist_user_updated_idx').on(table.user_id, table.updated_at)
}));

export const holding = sqliteTable('holding', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  ticker: text('ticker').notNull(),
  company_name: text('company_name'),
  shares: numeric('shares').notNull(),
  avg_cost: numeric('avg_cost').notNull(),
  current_price: numeric('current_price'),
  market_value: numeric('market_value').notNull(),
  gain_loss: numeric('gain_loss').notNull(),
  gain_loss_pct: numeric('gain_loss_pct').notNull(),
  last_price_at: text('last_price_at'),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  holdingUserTickerUnique: uniqueIndex('holding_user_ticker_uidx').on(table.user_id, table.ticker),
  holdingUserIndex: index('holding_user_idx').on(table.user_id)
}));

export const filing = sqliteTable('filing', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  ticker: text('ticker').notNull(),
  filing_type: text('filing_type').$type<'10-K' | '10-Q' | '8-K'>().notNull(),
  filing_date: text('filing_date').notNull(),
  accession_number: text('accession_number').notNull(),
  cik: text('cik').notNull(),
  company_name: text('company_name').notNull(),
  filing_url: text('filing_url'),
  submission_url: text('submission_url'),
  primary_document: text('primary_document'),
  metrics: text('metrics', { mode: 'json' }).$type<FilingMetrics | null>(),
  analysis: text('analysis', { mode: 'json' }).$type<FilingAnalysis | null>(),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  filingAccessionUnique: uniqueIndex('filing_accession_uidx').on(table.accession_number),
  filingTickerDateIndex: index('filing_ticker_date_idx').on(table.ticker, table.filing_date),
  filingDateIndex: index('filing_date_idx').on(table.filing_date)
}));

export const filingStatementSnapshot = sqliteTable('filing_statement_snapshot', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  filing_id: integer('filing_id').notNull().references(() => filing.id, { onDelete: 'cascade' }),
  ticker: text('ticker').notNull(),
  filing_date: text('filing_date').notNull(),
  filing_type: text('filing_type').$type<'10-K' | '10-Q'>().notNull(),
  period_end: text('period_end'),
  statement_bundle: text('statement_bundle', { mode: 'json' }).$type<FilingStatementBundle | null>(),
  standardized_bundle: text('standardized_bundle', { mode: 'json' }).$type<StandardizedStatementBundle | null>(),
  dimension_bundle: text('dimension_bundle', { mode: 'json' }).$type<DimensionStatementBundle | null>(),
  parse_status: text('parse_status').$type<'ready' | 'partial' | 'failed'>().notNull(),
  parse_error: text('parse_error'),
  source: text('source').$type<'sec_filing_summary' | 'xbrl_instance' | 'companyfacts_fallback'>().notNull(),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  filingStatementFilingUnique: uniqueIndex('filing_stmt_filing_uidx').on(table.filing_id),
  filingStatementTickerDateIndex: index('filing_stmt_ticker_date_idx').on(table.ticker, table.filing_date),
  filingStatementDateIndex: index('filing_stmt_date_idx').on(table.filing_date),
  filingStatementStatusIndex: index('filing_stmt_status_idx').on(table.parse_status)
}));

export const filingTaxonomySnapshot = sqliteTable('filing_taxonomy_snapshot', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  filing_id: integer('filing_id').notNull().references(() => filing.id, { onDelete: 'cascade' }),
  ticker: text('ticker').notNull(),
  filing_date: text('filing_date').notNull(),
  filing_type: text('filing_type').$type<'10-K' | '10-Q'>().notNull(),
  parse_status: text('parse_status').$type<TaxonomyParseStatus>().notNull(),
  parse_error: text('parse_error'),
  source: text('source').$type<'xbrl_instance' | 'xbrl_instance_with_linkbase' | 'legacy_html_fallback'>().notNull(),
  parser_engine: text('parser_engine').notNull().default('fiscal-xbrl'),
  parser_version: text('parser_version').notNull().default('unknown'),
  taxonomy_regime: text('taxonomy_regime').$type<'us-gaap' | 'ifrs-full' | 'unknown'>().notNull().default('unknown'),
  fiscal_pack: text('fiscal_pack'),
  periods: text('periods', { mode: 'json' }).$type<FilingStatementPeriod[]>(),
  faithful_rows: text('faithful_rows', { mode: 'json' }).$type<TaxonomyStatementBundle['statements'] | null>(),
  statement_rows: text('statement_rows', { mode: 'json' }).$type<TaxonomyStatementBundle['statements'] | null>(),
  surface_rows: text('surface_rows', { mode: 'json' }).$type<Record<FinancialStatementKind, TaxonomySurfaceSnapshotRow[]> | null>(),
  detail_rows: text('detail_rows', { mode: 'json' }).$type<Record<FinancialStatementKind, TaxonomyDetailStatementMap> | null>(),
  kpi_rows: text('kpi_rows', { mode: 'json' }).$type<StructuredKpiSnapshotRow[] | null>(),
  derived_metrics: text('derived_metrics', { mode: 'json' }).$type<FilingMetrics | null>(),
  validation_result: text('validation_result', { mode: 'json' }).$type<TaxonomyMetricValidationResult | null>(),
  normalization_summary: text('normalization_summary', { mode: 'json' }).$type<TaxonomyNormalizationSummary | null>(),
  facts_count: integer('facts_count').notNull().default(0),
  concepts_count: integer('concepts_count').notNull().default(0),
  dimensions_count: integer('dimensions_count').notNull().default(0),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  filingTaxonomySnapshotFilingUnique: uniqueIndex('filing_taxonomy_snapshot_filing_uidx').on(table.filing_id),
  filingTaxonomySnapshotTickerDateIndex: index('filing_taxonomy_snapshot_ticker_date_idx').on(table.ticker, table.filing_date),
  filingTaxonomySnapshotStatusIndex: index('filing_taxonomy_snapshot_status_idx').on(table.parse_status)
}));

export const filingTaxonomyContext = sqliteTable('filing_taxonomy_context', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  snapshot_id: integer('snapshot_id').notNull().references(() => filingTaxonomySnapshot.id, { onDelete: 'cascade' }),
  context_id: text('context_id').notNull(),
  entity_identifier: text('entity_identifier'),
  entity_scheme: text('entity_scheme'),
  period_start: text('period_start'),
  period_end: text('period_end'),
  period_instant: text('period_instant'),
  segment_json: text('segment_json', { mode: 'json' }).$type<Record<string, unknown> | null>(),
  scenario_json: text('scenario_json', { mode: 'json' }).$type<Record<string, unknown> | null>(),
  created_at: text('created_at').notNull()
}, (table) => ({
  filingTaxonomyContextSnapshotIndex: index('filing_taxonomy_context_snapshot_idx').on(table.snapshot_id),
  filingTaxonomyContextUnique: uniqueIndex('filing_taxonomy_context_uidx').on(table.snapshot_id, table.context_id)
}));

export const filingTaxonomyAsset = sqliteTable('filing_taxonomy_asset', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  snapshot_id: integer('snapshot_id').notNull().references(() => filingTaxonomySnapshot.id, { onDelete: 'cascade' }),
  asset_type: text('asset_type').$type<TaxonomyAssetType>().notNull(),
  name: text('name').notNull(),
  url: text('url').notNull(),
  size_bytes: integer('size_bytes'),
  score: numeric('score'),
  is_selected: integer('is_selected', { mode: 'boolean' }).notNull().default(false),
  created_at: text('created_at').notNull()
}, (table) => ({
  filingTaxonomyAssetSnapshotIndex: index('filing_taxonomy_asset_snapshot_idx').on(table.snapshot_id),
  filingTaxonomyAssetTypeIndex: index('filing_taxonomy_asset_type_idx').on(table.snapshot_id, table.asset_type)
}));

export const filingTaxonomyConcept = sqliteTable('filing_taxonomy_concept', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  snapshot_id: integer('snapshot_id').notNull().references(() => filingTaxonomySnapshot.id, { onDelete: 'cascade' }),
  concept_key: text('concept_key').notNull(),
  qname: text('qname').notNull(),
  namespace_uri: text('namespace_uri').notNull(),
  local_name: text('local_name').notNull(),
  label: text('label'),
  is_extension: integer('is_extension', { mode: 'boolean' }).notNull().default(false),
  balance: text('balance'),
  period_type: text('period_type'),
  data_type: text('data_type'),
  statement_kind: text('statement_kind').$type<FinancialStatementKind>(),
  role_uri: text('role_uri'),
  authoritative_concept_key: text('authoritative_concept_key'),
  mapping_method: text('mapping_method'),
  surface_key: text('surface_key'),
  detail_parent_surface_key: text('detail_parent_surface_key'),
  kpi_key: text('kpi_key'),
  residual_flag: integer('residual_flag', { mode: 'boolean' }).notNull().default(false),
  presentation_order: numeric('presentation_order'),
  presentation_depth: integer('presentation_depth'),
  parent_concept_key: text('parent_concept_key'),
  is_abstract: integer('is_abstract', { mode: 'boolean' }).notNull().default(false),
  created_at: text('created_at').notNull()
}, (table) => ({
  filingTaxonomyConceptSnapshotIndex: index('filing_taxonomy_concept_snapshot_idx').on(table.snapshot_id),
  filingTaxonomyConceptStatementIndex: index('filing_taxonomy_concept_statement_idx').on(table.snapshot_id, table.statement_kind),
  filingTaxonomyConceptUnique: uniqueIndex('filing_taxonomy_concept_uidx').on(
    table.snapshot_id,
    table.concept_key,
    table.role_uri,
    table.presentation_order
  )
}));

export const filingTaxonomyFact = sqliteTable('filing_taxonomy_fact', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  snapshot_id: integer('snapshot_id').notNull().references(() => filingTaxonomySnapshot.id, { onDelete: 'cascade' }),
  concept_key: text('concept_key').notNull(),
  qname: text('qname').notNull(),
  namespace_uri: text('namespace_uri').notNull(),
  local_name: text('local_name').notNull(),
  data_type: text('data_type'),
  statement_kind: text('statement_kind').$type<FinancialStatementKind>(),
  role_uri: text('role_uri'),
  authoritative_concept_key: text('authoritative_concept_key'),
  mapping_method: text('mapping_method'),
  surface_key: text('surface_key'),
  detail_parent_surface_key: text('detail_parent_surface_key'),
  kpi_key: text('kpi_key'),
  residual_flag: integer('residual_flag', { mode: 'boolean' }).notNull().default(false),
  context_id: text('context_id').notNull(),
  unit: text('unit'),
  decimals: text('decimals'),
  precision: text('precision'),
  nil: integer('nil', { mode: 'boolean' }).notNull().default(false),
  value_num: numeric('value_num').notNull(),
  period_start: text('period_start'),
  period_end: text('period_end'),
  period_instant: text('period_instant'),
  dimensions: text('dimensions', { mode: 'json' }).$type<TaxonomyDimensionMember[]>().notNull(),
  is_dimensionless: integer('is_dimensionless', { mode: 'boolean' }).notNull().default(true),
  source_file: text('source_file'),
  created_at: text('created_at').notNull()
}, (table) => ({
  filingTaxonomyFactSnapshotIndex: index('filing_taxonomy_fact_snapshot_idx').on(table.snapshot_id),
  filingTaxonomyFactConceptIndex: index('filing_taxonomy_fact_concept_idx').on(table.snapshot_id, table.concept_key),
  filingTaxonomyFactPeriodIndex: index('filing_taxonomy_fact_period_idx').on(table.snapshot_id, table.period_end, table.period_instant),
  filingTaxonomyFactStatementIndex: index('filing_taxonomy_fact_statement_idx').on(table.snapshot_id, table.statement_kind)
}));

export const filingTaxonomyMetricValidation = sqliteTable('filing_taxonomy_metric_validation', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  snapshot_id: integer('snapshot_id').notNull().references(() => filingTaxonomySnapshot.id, { onDelete: 'cascade' }),
  metric_key: text('metric_key').$type<keyof FilingMetrics>().notNull(),
  taxonomy_value: numeric('taxonomy_value'),
  llm_value: numeric('llm_value'),
  absolute_diff: numeric('absolute_diff'),
  relative_diff: numeric('relative_diff'),
  status: text('status').$type<TaxonomyMetricValidationStatus>().notNull(),
  evidence_pages: text('evidence_pages', { mode: 'json' }).$type<number[]>().notNull(),
  pdf_url: text('pdf_url'),
  provider: text('provider'),
  model: text('model'),
  error: text('error'),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  filingTaxonomyMetricValidationSnapshotIndex: index('filing_taxonomy_metric_validation_snapshot_idx').on(table.snapshot_id),
  filingTaxonomyMetricValidationStatusIndex: index('filing_taxonomy_metric_validation_status_idx').on(table.snapshot_id, table.status),
  filingTaxonomyMetricValidationUnique: uniqueIndex('filing_taxonomy_metric_validation_uidx').on(table.snapshot_id, table.metric_key)
}));

export const companyFinancialBundle = sqliteTable('company_financial_bundle', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  ticker: text('ticker').notNull(),
  surface_kind: text('surface_kind').$type<FinancialSurfaceKind>().notNull(),
  cadence: text('cadence').$type<FinancialCadence>().notNull(),
  bundle_version: integer('bundle_version').notNull(),
  source_snapshot_ids: text('source_snapshot_ids', { mode: 'json' }).$type<number[]>().notNull(),
  source_signature: text('source_signature').notNull(),
  payload: text('payload', { mode: 'json' }).$type<Record<string, unknown>>().notNull(),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  companyFinancialBundleUnique: uniqueIndex('company_financial_bundle_uidx').on(table.ticker, table.surface_kind, table.cadence),
  companyFinancialBundleTickerIndex: index('company_financial_bundle_ticker_idx').on(table.ticker, table.updated_at)
}));

export const companyOverviewCache = sqliteTable('company_overview_cache', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  ticker: text('ticker').notNull(),
  cache_version: integer('cache_version').notNull(),
  source_signature: text('source_signature').notNull(),
  payload: text('payload', { mode: 'json' }).$type<Record<string, unknown>>().notNull(),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  companyOverviewCacheUnique: uniqueIndex('company_overview_cache_uidx').on(table.user_id, table.ticker),
  companyOverviewCacheLookupIndex: index('company_overview_cache_lookup_idx').on(table.user_id, table.ticker, table.updated_at)
}));

export const filingLink = sqliteTable('filing_link', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  filing_id: integer('filing_id').notNull().references(() => filing.id, { onDelete: 'cascade' }),
  link_type: text('link_type').notNull(),
  url: text('url').notNull(),
  source: text('source').notNull().default('sec'),
  created_at: text('created_at').notNull()
}, (table) => ({
  filingLinkUnique: uniqueIndex('filing_link_unique_uidx').on(table.filing_id, table.url),
  filingLinkFilingIndex: index('filing_link_filing_idx').on(table.filing_id)
}));

export const taskRun = sqliteTable('task_run', {
  id: text('id').primaryKey().notNull(),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  task_type: text('task_type').$type<'sync_filings' | 'refresh_prices' | 'analyze_filing' | 'portfolio_insights' | 'index_search'>().notNull(),
  status: text('status').$type<'queued' | 'running' | 'completed' | 'failed'>().notNull(),
  stage: text('stage').notNull(),
  stage_detail: text('stage_detail'),
  stage_context: text('stage_context', { mode: 'json' }).$type<TaskStageContext | null>(),
  resource_key: text('resource_key'),
  notification_read_at: text('notification_read_at'),
  notification_silenced_at: text('notification_silenced_at'),
  priority: integer('priority').notNull(),
  payload: text('payload', { mode: 'json' }).$type<Record<string, unknown>>().notNull(),
  result: text('result', { mode: 'json' }).$type<Record<string, unknown> | null>(),
  error: text('error'),
  attempts: integer('attempts').notNull(),
  max_attempts: integer('max_attempts').notNull(),
  workflow_run_id: text('workflow_run_id'),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull(),
  finished_at: text('finished_at')
}, (table) => ({
  taskUserCreatedIndex: index('task_user_created_idx').on(table.user_id, table.created_at),
  taskUserUpdatedIndex: index('task_user_updated_idx').on(table.user_id, table.updated_at),
  taskStatusIndex: index('task_status_idx').on(table.status),
  taskUserResourceStatusIndex: index('task_user_resource_status_idx').on(
    table.user_id,
    table.task_type,
    table.resource_key,
    table.status,
    table.created_at
  ),
  taskWorkflowRunUnique: uniqueIndex('task_workflow_run_uidx').on(table.workflow_run_id)
}));

// Note: Partial unique index for active resource-scoped task deduplication is created via
// migration 0013_task_active_resource_unique.sql. SQLite does not support partial indexes
// in drizzle schema DSL, so the index is managed separately:
// CREATE UNIQUE INDEX task_active_resource_uidx ON task_run (user_id, task_type, resource_key)
// WHERE resource_key IS NOT NULL AND status IN ('queued', 'running');

export const taskStageEvent = sqliteTable('task_stage_event', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  task_id: text('task_id').notNull().references(() => taskRun.id, { onDelete: 'cascade' }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  stage: text('stage').notNull(),
  stage_detail: text('stage_detail'),
  stage_context: text('stage_context', { mode: 'json' }).$type<TaskStageContext | null>(),
  status: text('status').$type<'queued' | 'running' | 'completed' | 'failed'>().notNull(),
  created_at: text('created_at').notNull()
}, (table) => ({
  taskStageEventTaskCreatedIndex: index('task_stage_event_task_created_idx').on(table.task_id, table.created_at),
  taskStageEventUserCreatedIndex: index('task_stage_event_user_created_idx').on(table.user_id, table.created_at)
}));

export const portfolioInsight = sqliteTable('portfolio_insight', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  provider: text('provider').notNull(),
  model: text('model').notNull(),
  content: text('content').notNull(),
  created_at: text('created_at').notNull()
}, (table) => ({
  insightUserCreatedIndex: index('insight_user_created_idx').on(table.user_id, table.created_at)
}));

export const researchJournalEntry = sqliteTable('research_journal_entry', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  ticker: text('ticker').notNull(),
  accession_number: text('accession_number'),
  entry_type: text('entry_type').$type<ResearchJournalEntryType>().notNull(),
  title: text('title'),
  body_markdown: text('body_markdown').notNull(),
  metadata: text('metadata', { mode: 'json' }).$type<Record<string, unknown> | null>(),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  researchJournalTickerIndex: index('research_journal_ticker_idx').on(table.user_id, table.ticker, table.created_at),
  researchJournalAccessionIndex: index('research_journal_accession_idx').on(table.user_id, table.accession_number)
}));

export const searchDocument = sqliteTable('search_document', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  source_kind: text('source_kind').$type<SearchDocumentSourceKind>().notNull(),
  source_ref: text('source_ref').notNull(),
  scope: text('scope').$type<SearchDocumentScope>().notNull(),
  user_id: text('user_id').references(() => user.id, { onDelete: 'cascade' }),
  ticker: text('ticker'),
  accession_number: text('accession_number'),
  title: text('title'),
  content_text: text('content_text').notNull(),
  content_hash: text('content_hash').notNull(),
  metadata: text('metadata', { mode: 'json' }).$type<Record<string, unknown> | null>(),
  index_status: text('index_status').$type<SearchIndexStatus>().notNull(),
  indexed_at: text('indexed_at'),
  last_error: text('last_error'),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  searchDocumentSourceUnique: uniqueIndex('search_document_source_uidx').on(
    table.scope,
    sql`ifnull(${table.user_id}, '')`,
    table.source_kind,
    table.source_ref
  ),
  searchDocumentScopeIndex: index('search_document_scope_idx').on(
    table.scope,
    table.source_kind,
    table.ticker,
    table.updated_at
  ),
  searchDocumentAccessionIndex: index('search_document_accession_idx').on(table.accession_number, table.source_kind)
}));

export const searchChunk = sqliteTable('search_chunk', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  document_id: integer('document_id').notNull().references(() => searchDocument.id, { onDelete: 'cascade' }),
  chunk_index: integer('chunk_index').notNull(),
  chunk_text: text('chunk_text').notNull(),
  char_count: integer('char_count').notNull(),
  start_offset: integer('start_offset').notNull(),
  end_offset: integer('end_offset').notNull(),
  heading_path: text('heading_path'),
  citation_label: text('citation_label').notNull(),
  created_at: text('created_at').notNull()
}, (table) => ({
  searchChunkUnique: uniqueIndex('search_chunk_document_chunk_uidx').on(table.document_id, table.chunk_index),
  searchChunkDocumentIndex: index('search_chunk_document_idx').on(table.document_id)
}));

export const researchArtifact = sqliteTable('research_artifact', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  organization_id: text('organization_id').references(() => organization.id, { onDelete: 'set null' }),
  ticker: text('ticker').notNull(),
  accession_number: text('accession_number'),
  kind: text('kind').$type<ResearchArtifactKind>().notNull(),
  source: text('source').$type<ResearchArtifactSource>().notNull().default('user'),
  subtype: text('subtype'),
  title: text('title'),
  summary: text('summary'),
  body_markdown: text('body_markdown'),
  search_text: text('search_text'),
  visibility_scope: text('visibility_scope').$type<ResearchVisibilityScope>().notNull().default('private'),
  tags: text('tags', { mode: 'json' }).$type<string[]>(),
  metadata: text('metadata', { mode: 'json' }).$type<Record<string, unknown> | null>(),
  file_name: text('file_name'),
  mime_type: text('mime_type'),
  file_size_bytes: integer('file_size_bytes'),
  storage_path: text('storage_path'),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  researchArtifactTickerIndex: index('research_artifact_ticker_idx').on(table.user_id, table.ticker, table.updated_at),
  researchArtifactKindIndex: index('research_artifact_kind_idx').on(table.user_id, table.kind, table.updated_at),
  researchArtifactAccessionIndex: index('research_artifact_accession_idx').on(table.user_id, table.accession_number),
  researchArtifactSourceIndex: index('research_artifact_source_idx').on(table.user_id, table.source, table.updated_at)
}));

export const researchMemo = sqliteTable('research_memo', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  user_id: text('user_id').notNull().references(() => user.id, { onDelete: 'cascade' }),
  organization_id: text('organization_id').references(() => organization.id, { onDelete: 'set null' }),
  ticker: text('ticker').notNull(),
  rating: text('rating').$type<ResearchMemoRating>(),
  conviction: text('conviction').$type<ResearchMemoConviction>(),
  time_horizon_months: integer('time_horizon_months'),
  packet_title: text('packet_title'),
  packet_subtitle: text('packet_subtitle'),
  thesis_markdown: text('thesis_markdown').notNull().default(''),
  variant_view_markdown: text('variant_view_markdown').notNull().default(''),
  catalysts_markdown: text('catalysts_markdown').notNull().default(''),
  risks_markdown: text('risks_markdown').notNull().default(''),
  disconfirming_evidence_markdown: text('disconfirming_evidence_markdown').notNull().default(''),
  next_actions_markdown: text('next_actions_markdown').notNull().default(''),
  created_at: text('created_at').notNull(),
  updated_at: text('updated_at').notNull()
}, (table) => ({
  researchMemoTickerUnique: uniqueIndex('research_memo_ticker_uidx').on(table.user_id, table.ticker),
  researchMemoUpdatedIndex: index('research_memo_updated_idx').on(table.user_id, table.updated_at)
}));

export const researchMemoEvidence = sqliteTable('research_memo_evidence', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  memo_id: integer('memo_id').notNull().references(() => researchMemo.id, { onDelete: 'cascade' }),
  artifact_id: integer('artifact_id').notNull().references(() => researchArtifact.id, { onDelete: 'cascade' }),
  section: text('section').$type<ResearchMemoSection>().notNull(),
  annotation: text('annotation'),
  sort_order: integer('sort_order').notNull().default(0),
  created_at: text('created_at').notNull()
}, (table) => ({
  researchMemoEvidenceMemoIndex: index('research_memo_evidence_memo_idx').on(table.memo_id, table.section, table.sort_order),
  researchMemoEvidenceArtifactIndex: index('research_memo_evidence_artifact_idx').on(table.artifact_id),
  researchMemoEvidenceUnique: uniqueIndex('research_memo_evidence_unique_uidx').on(table.memo_id, table.artifact_id, table.section)
}));

export const authSchema = {
  user,
  session,
  account,
  verification,
  organization,
  member,
  invitation
};

export const appSchema = {
  watchlistItem,
  holding,
  filing,
  filingStatementSnapshot,
  filingTaxonomySnapshot,
  filingTaxonomyAsset,
  filingTaxonomyConcept,
  filingTaxonomyFact,
  filingTaxonomyMetricValidation,
  companyFinancialBundle,
  companyOverviewCache,
  filingLink,
  taskRun,
  taskStageEvent,
  portfolioInsight,
  researchJournalEntry,
  searchDocument,
  searchChunk,
  researchArtifact,
  researchMemo,
  researchMemoEvidence
};

export const schema = {
  ...authSchema,
  ...appSchema
};