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SpaceWanderer/lib/db/schema.ts

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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] })],
)
// 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(),
})