import {
  pgTable,
  text,
  boolean,
  integer,
  numeric,
  timestamp,
  date,
  jsonb,
  index,
  uniqueIndex,
  primaryKey,
} from 'drizzle-orm/pg-core';
import { ports } from './ports';
import { clients } from './clients';

export const berths = pgTable(
  'berths',
  {
    id: text('id')
      .primaryKey()
      .$defaultFn(() => crypto.randomUUID()),
    portId: text('port_id')
      .notNull()
      .references(() => ports.id),
    mooringNumber: text('mooring_number').notNull(),
    area: text('area'),
    status: text('status').notNull().default('available'), // available, under_offer, sold
    lengthFt: numeric('length_ft'),
    widthFt: numeric('width_ft'),
    draftFt: numeric('draft_ft'),
    lengthM: numeric('length_m'),
    widthM: numeric('width_m'),
    draftM: numeric('draft_m'),
    widthIsMinimum: boolean('width_is_minimum').default(false),
    // Numeric: ft (legacy NocoDB stored as plain numbers, no units in value).
    nominalBoatSize: numeric('nominal_boat_size'),
    nominalBoatSizeM: numeric('nominal_boat_size_m'),
    waterDepth: numeric('water_depth'),
    waterDepthM: numeric('water_depth_m'),
    waterDepthIsMinimum: boolean('water_depth_is_minimum').default(false),
    sidePontoon: text('side_pontoon'),
    powerCapacity: numeric('power_capacity'), // kW
    voltage: numeric('voltage'), // V at 60Hz
    mooringType: text('mooring_type'),
    cleatType: text('cleat_type'),
    cleatCapacity: text('cleat_capacity'),
    bollardType: text('bollard_type'),
    bollardCapacity: text('bollard_capacity'),
    access: text('access'),
    price: numeric('price'),
    priceCurrency: text('price_currency').notNull().default('USD'),
    // Lease/rental rates surfaced by the per-berth PDFs (Phase 6b). Null
    // until reps upload PDFs; rendered on the berth detail page with a
    // "Pricing data may be stale" chip when pricing_valid_until < today().
    weeklyRateHighUsd: numeric('weekly_rate_high_usd'),
    weeklyRateLowUsd: numeric('weekly_rate_low_usd'),
    dailyRateHighUsd: numeric('daily_rate_high_usd'),
    dailyRateLowUsd: numeric('daily_rate_low_usd'),
    pricingValidUntil: date('pricing_valid_until'),
    bowFacing: text('bow_facing'),
    berthApproved: boolean('berth_approved').default(false),
    // permanent, fixed_term, fee_simple, strata_lot (the last two map to
    // the Fee Simple / Strata Lot tenures shown in the per-berth PDFs).
    tenureType: text('tenure_type').notNull().default('permanent'),
    tenureYears: integer('tenure_years'),
    tenureStartDate: date('tenure_start_date'),
    tenureEndDate: date('tenure_end_date'),
    statusLastChangedBy: text('status_last_changed_by'), // user ID
    statusLastChangedReason: text('status_last_changed_reason'),
    statusLastModified: timestamp('status_last_modified', { withTimezone: true }),
    // Optional override flag carried over from NocoDB ("auto" or null in legacy data).
    // Reserved for future "manual override" semantics; not surfaced in the UI today.
    statusOverrideMode: text('status_override_mode'),
    // Set by scripts/import-berths-from-nocodb.ts. The import compares this
    // against updated_at to detect human edits made after the last import,
    // so re-running the import doesn't clobber CRM-side overrides.
    lastImportedAt: timestamp('last_imported_at', { withTimezone: true }),
    // Pointer to the active per-berth PDF version (Phase 6b). Null until a
    // rep uploads the first PDF; a later rollback can re-target this column
    // to any prior `berth_pdf_versions.id`. The full history lives in the
    // junction table — this column is just the "current" pointer.
    currentPdfVersionId: text('current_pdf_version_id'),
    createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
    updatedAt: timestamp('updated_at', { withTimezone: true }).notNull().defaultNow(),
  },
  (table) => [
    index('idx_berths_port').on(table.portId),
    index('idx_berths_status').on(table.portId, table.status),
    index('idx_berths_area').on(table.portId, table.area),
    uniqueIndex('idx_berths_mooring').on(table.portId, table.mooringNumber),
  ],
);

// Note: `berths.current_pdf_version_id` has an `ON DELETE SET NULL` FK to
// `berth_pdf_versions.id` installed by migration 0030. The column is left
// without a `.references()` / `foreignKey()` declaration in the Drizzle
// schema because the two tables form a circular FK (berth_pdf_versions →
// berths), and Drizzle's relation inference doesn't tolerate the cycle
// when both sides are declared via column-level `.references()`. The
// migration chain authoritatively maintains the constraint; a fresh
// `db:push` against an empty DB would skip the FK and require a follow-up
// generated migration to add it back. This is acceptable because we
// always apply migrations in order in dev/CI/prod.

export const berthMapData = pgTable(
  'berth_map_data',
  {
    id: text('id')
      .primaryKey()
      .$defaultFn(() => crypto.randomUUID()),
    berthId: text('berth_id')
      .notNull()
      .unique()
      .references(() => berths.id, { onDelete: 'cascade' }),
    svgPath: text('svg_path'),
    x: numeric('x'),
    y: numeric('y'),
    transform: text('transform'),
    fontSize: numeric('font_size'),
    extraData: jsonb('extra_data').default({}),
    updatedAt: timestamp('updated_at', { withTimezone: true }).notNull().defaultNow(),
  },
  (table) => [uniqueIndex('berth_map_data_berth_id_idx').on(table.berthId)],
);

export const berthRecommendations = pgTable(
  'berth_recommendations',
  {
    id: text('id')
      .primaryKey()
      .$defaultFn(() => crypto.randomUUID()),
    interestId: text('interest_id').notNull(), // references interests.id
    berthId: text('berth_id')
      .notNull()
      .references(() => berths.id, { onDelete: 'cascade' }),
    matchScore: numeric('match_score'), // 0-100
    matchReasons: jsonb('match_reasons'), // { "dimensional_fit": 95, "power_match": 80, ... }
    source: text('source').notNull().default('ai'), // ai, manual
    createdBy: text('created_by'), // user ID for manual recommendations
    createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
  },
  (table) => [
    uniqueIndex('berth_rec_interest_berth_idx').on(table.interestId, table.berthId),
    index('idx_br_interest').on(table.interestId),
  ],
);

export const berthWaitingList = pgTable(
  'berth_waiting_list',
  {
    id: text('id')
      .primaryKey()
      .$defaultFn(() => crypto.randomUUID()),
    berthId: text('berth_id')
      .notNull()
      .references(() => berths.id, { onDelete: 'cascade' }),
    clientId: text('client_id')
      .notNull()
      .references(() => clients.id, { onDelete: 'cascade' }),
    yachtId: text('yacht_id'), // FK added via relation; nullable (waiting for this yacht)
    position: integer('position').notNull(),
    priority: text('priority').notNull().default('normal'), // normal, high
    notifyPref: text('notify_pref').default('email'), // email, in_app, both
    notes: text('notes'),
    createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
  },
  (table) => [
    uniqueIndex('berth_waiting_list_berth_client_idx').on(table.berthId, table.clientId),
    index('idx_bwl_berth').on(table.berthId, table.position),
  ],
);

export const berthMaintenanceLog = pgTable(
  'berth_maintenance_log',
  {
    id: text('id')
      .primaryKey()
      .$defaultFn(() => crypto.randomUUID()),
    berthId: text('berth_id')
      .notNull()
      .references(() => berths.id, { onDelete: 'cascade' }),
    portId: text('port_id')
      .notNull()
      .references(() => ports.id),
    category: text('category').notNull(), // routine, repair, inspection, upgrade
    description: text('description').notNull(),
    cost: numeric('cost'),
    costCurrency: text('cost_currency').default('USD'),
    responsibleParty: text('responsible_party'),
    performedDate: date('performed_date').notNull(),
    photoFileIds: text('photo_file_ids').array(), // references to files table
    createdBy: text('created_by').notNull(),
    createdAt: timestamp('created_at', { withTimezone: true }).notNull().defaultNow(),
    updatedAt: timestamp('updated_at', { withTimezone: true }).notNull().defaultNow(),
  },
  (table) => [index('idx_bml_berth').on(table.berthId), index('idx_bml_port').on(table.portId)],
);

/**
 * Per-berth PDF version history (Phase 6b — see plan §3.3 / §4.7b).
 *
 * Each upload creates a new row with a monotonic `versionNumber` per berth.
 * The active version is referenced by `berths.current_pdf_version_id`. The
 * storage_key points at the file in the active `StorageBackend` (s3/filesystem),
 * which is resolved at access time via `getStorageBackend()`.
 *
 * `parseResults` captures what the 3-tier reverse parser extracted at upload
 * time plus any conflicts the rep resolved in the diff dialog. Kept as audit
 * trail; rolling back to a prior version does NOT replay these (per §14.6).
 */
export const berthPdfVersions = pgTable(
  'berth_pdf_versions',
  {
    id: text('id')
      .primaryKey()
      .$defaultFn(() => crypto.randomUUID()),
    berthId: text('berth_id')
      .notNull()
      .references(() => berths.id, { onDelete: 'cascade' }),
    versionNumber: integer('version_number').notNull(),
    /** Object key in the active storage backend (renamed from `s3_key` per §4.7a). */
    storageKey: text('storage_key').notNull(),
    fileName: text('file_name').notNull(),
    fileSizeBytes: integer('file_size_bytes').notNull(),
    contentSha256: text('content_sha256').notNull(),
    uploadedBy: text('uploaded_by').notNull(),
    uploadedAt: timestamp('uploaded_at', { withTimezone: true }).notNull().defaultNow(),
    /** Cached signed-URL expiry per §11.1 — re-sign only when within 1h of expiry. */
    downloadUrlExpiresAt: timestamp('download_url_expires_at', { withTimezone: true }),
    /** { engine: 'acroform'|'ocr'|'ai', extracted: {...}, conflicts: [...], appliedFields: [...] } */
    parseResults: jsonb('parse_results'),
  },
  (table) => [
    uniqueIndex('berth_pdf_versions_berth_version_idx').on(table.berthId, table.versionNumber),
    index('idx_bpv_berth').on(table.berthId, table.uploadedAt),
  ],
);

export const berthTags = pgTable(
  'berth_tags',
  {
    berthId: text('berth_id')
      .notNull()
      .references(() => berths.id, { onDelete: 'cascade' }),
    tagId: text('tag_id').notNull(), // references tags.id
  },
  (table) => [primaryKey({ columns: [table.berthId, table.tagId] })],
);

export type Berth = typeof berths.$inferSelect;
export type NewBerth = typeof berths.$inferInsert;
export type BerthMapData = typeof berthMapData.$inferSelect;
export type NewBerthMapData = typeof berthMapData.$inferInsert;
export type BerthRecommendation = typeof berthRecommendations.$inferSelect;
export type NewBerthRecommendation = typeof berthRecommendations.$inferInsert;
export type BerthWaitingList = typeof berthWaitingList.$inferSelect;
export type NewBerthWaitingList = typeof berthWaitingList.$inferInsert;
export type BerthMaintenanceLog = typeof berthMaintenanceLog.$inferSelect;
export type NewBerthMaintenanceLog = typeof berthMaintenanceLog.$inferInsert;
export type BerthPdfVersion = typeof berthPdfVersions.$inferSelect;
export type NewBerthPdfVersion = typeof berthPdfVersions.$inferInsert;