import { integer, real, sqliteTable, text } from 'drizzle-orm/sqlite-core';

// Drizzle schema for the game state. Column names/types here are the source of
// truth; the matching CREATE TABLE statements live in lib/db/client.ts (DDL) and
// must stay in sync with this file.

export const planes = sqliteTable('planes', {
  id: text('id').primaryKey().notNull(),
  model: text('model').notNull(),
  status: text('status', { enum: ['available', 'flying'] }).notNull(),
  fuel: real('fuel').notNull(),
  maxFuel: real('max_fuel').notNull(),
  locationIcao: text('location_icao').notNull(),
  // Current flight destination (v0.12.0) — set by fly, cleared on arrival. The
  // plane's origin is always its locationIcao while flying.
  destIcao: text('dest_icao'),
  lat: real('lat').notNull(),
  lon: real('lon').notNull(),
  // Sim-clock departure time of the current flight (null when available). While
  // flying, `fuel` is frozen at its departure value — live position/fuel are pure
  // functions of the clock (lib/sim/movement.ts), recomputed on read.
  departureSimTime: integer('departure_sim_time'),
  // Queue of upcoming legs NOT yet started (v0.25.0, ISS-043) — ordered JSON array
  // of ICAO strings ('[]' when empty). The ACTIVE leg stays destIcao +
  // departureSimTime; on landing the engine auto-chains queue[0] if fuel covers it.
  queue: text('queue').notNull().default('[]'),
});

// Cargo packages (v0.12.0) replace the old contracts table end-to-end: a package
// is one cargo unit origin → dest with a reward and deadline. 'loaded' = bound to
// a plane's slot; it stays bound ('expired') or pays out ('delivered') when the
// plane arrives at its destination airport.
export const packages = sqliteTable('packages', {
  id: text('id').primaryKey().notNull(),
  originIcao: text('origin_icao').notNull(),
  destIcao: text('dest_icao').notNull(),
  reward: real('reward').notNull(),
  cargoType: text('cargo_type').notNull(),
  cargoCount: integer('cargo_count').notNull(),
  // Package weight in kg (v0.27.0, ISS-045) — drives load validation (plane payload)
  // and the per-kg part of the payout. Pre-existing rows backfill to the default.
  weightKg: real('weight_kg').notNull().default(2000),
  deadlineSimTime: integer('deadline_sim_time').notNull(),
  // 'expired' = an open OR loaded package whose deadline passed on a tick. Loaded
  // expired packages keep occupying their slot, deliver no reward, and abandon free.
  status: text('status', { enum: ['open', 'loaded', 'delivered', 'expired', 'abandoned'] }).notNull(),
  planeId: text('plane_id'),
  createdSimTime: integer('created_sim_time').notNull(),
});

export const account = sqliteTable('account', {
  cash: real('cash').notNull(),
  reputation: real('reputation').notNull(),
});

export const simState = sqliteTable('sim_state', {
  clockMs: integer('clock_ms').notNull(),
  timeScale: real('time_scale').notNull(),
  paused: integer('paused', { mode: 'boolean' }).notNull(),
  // Real-time (Date.now()) of the last tick — the tick-on-read engine advances
  // clockMs by (now - lastRealTickMs) × timeScale, clamped per tick.
  lastRealTickMs: integer('last_real_tick_ms').notNull(),
});

export type PlaneRow = typeof planes.$inferSelect;
export type PackageRow = typeof packages.$inferSelect;
export type AccountRow = typeof account.$inferSelect;
export type SimStateRow = typeof simState.$inferSelect;