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

// Drizzle schema for game state. Single-player by design: exactly ONE save row ever exists
// (no auth/accounts), so every table hangs off saves.id but only one save is in play.
// Column names/types here are the source of truth; matching CREATE TABLE statements live
// in lib/db/client.ts (DDL) and must stay in sync with this file.

export const saves = sqliteTable('saves', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  // Seed for the deterministic world generator — same seed always regenerates the same world.
  seed: text('seed').notNull(),
  turn: integer('turn').notNull().default(0),
  createdAt: text('created_at').notNull(),
})

export const solarSystems = sqliteTable('solar_systems', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  saveId: integer('save_id').notNull().references(() => saves.id),
  name: text('name').notNull(),
  // 0–100 coordinate space, rendered directly by the NodeGraph component.
  x: real('x').notNull(),
  y: real('y').notNull(),
  discovered: integer('discovered', { mode: 'boolean' }).notNull().default(false),
  isCurrent: integer('is_current', { mode: 'boolean' }).notNull().default(false),
})

// Jump routes, stored as directed pairs (both directions of each route) so adjacency and
// "reachable from current" are single-row lookups. Read side dedupes for display.
export const jumpRoutes = sqliteTable(
  'jump_routes',
  {
    fromSystem: integer('from_system').notNull().references(() => solarSystems.id),
    toSystem: integer('to_system').notNull().references(() => solarSystems.id),
  },
  (t) => [primaryKey({ columns: [t.fromSystem, t.toSystem] })],
)

// Bodies of a solar system: planets (parent_id NULL) and moons (parent_id = their planet's
// id). Generated when the system is generated, so every system has 2–5 planets, some with
// 1–3 moons. Insertion order is display order — a moon always follows its parent row.
export const planets = sqliteTable('planets', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  systemId: integer('system_id').notNull().references(() => solarSystems.id),
  parentId: integer('parent_id'), // NULL for a planet, set for a moon
  name: text('name').notNull(),
  type: text('type').notNull(),
  hazard: integer('hazard', { mode: 'boolean' }).notNull().default(false),
  explored: integer('explored', { mode: 'boolean' }).notNull().default(false),
})

// Dumb-simple cargo hold on the save: what exploration has found so far. SHIP SYSTEMS (#8)
// will spend parts from here later; nothing consumes it yet.
export const inventoryItems = sqliteTable('inventory_items', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  saveId: integer('save_id').notNull().references(() => saves.id),
  kind: text('kind').notNull(), // 'resource' | 'part'
  name: text('name').notNull(),
  qty: integer('qty').notNull().default(1),
})

// Append-only game log. Writers so far: new-game + jump events; later issues add more
// writers and a read endpoint.
export const events = sqliteTable('events', {
  id: integer('id').primaryKey({ autoIncrement: true }),
  saveId: integer('save_id').notNull().references(() => saves.id),
  turn: integer('turn').notNull(),
  type: text('type').notNull(),
  message: text('message').notNull(),
  createdAt: text('created_at').notNull(),
})