import { defineRelations } from 'drizzle-orm';
import * as schema from './schema';

export const relations = defineRelations(schema, (r) => ({
	// ── Auth ──────────────────────────────────────
	user: {
		sessions: r.many.session(),
		accounts: r.many.account(),
		entries: r.many.userEntries(),
		games: r.many.userGames()
	},
	session: {
		user: r.one.user({
			from: r.session.userId,
			to: r.user.id
		})
	},
	account: {
		user: r.one.user({
			from: r.account.userId,
			to: r.user.id
		})
	},

	// ── Progress ──────────────────────────────────
	tasks: {
		tasksToTopics: r.many.tasksToTopics()
	},
	topics: {
		topicsToTasks: r.many.tasksToTopics()
	},
	tasksToTopics: {
		task: r.one.tasks({
			from: r.tasksToTopics.taskId,
			to: r.tasks.id
		}),
		topic: r.one.topics({
			from: r.tasksToTopics.topicId,
			to: r.topics.id
		})
	},

	// ── CatchEmAll ────────────────────────────────
	games: {
		entries: r.many.pokemonGameEntries()
	},
	pokemon: {
		entry: r.many.pokemonGameEntries(),
		encounters: r.many.pokemonEncounters()
	},
	pokemonLocations: {
		encounters: r.many.pokemonEncounters()
	},
	pokemonEncounters: {
		pokemon: r.one.pokemon({
			from: r.pokemonEncounters.pokemonId,
			to: r.pokemon.id
		}),
		game: r.one.games({
			from: r.pokemonEncounters.gameId,
			to: r.games.id
		}),
		location: r.one.pokemonLocations({
			from: r.pokemonEncounters.locationId,
			to: r.pokemonLocations.id
		})
	},
	pokemonGameEntries: {
		game: r.one.games({
			from: r.pokemonGameEntries.gameId,
			to: r.games.id
		}),
		pokemon: r.one.pokemon({
			from: r.pokemonGameEntries.pokemonId,
			to: r.pokemon.id
		}),
		userEntries: r.many.userEntries()
	},
	userEntries: {
		pokemonGameEntry: r.one.pokemonGameEntries({
			from: r.userEntries.pokemonGameEntryId,
			to: r.pokemonGameEntries.id
		}),
		user: r.one.user({
			from: r.userEntries.userId,
			to: r.user.id
		})
	},
	userGames: {
		user: r.one.user({
			from: r.userGames.userId,
			to: r.user.id
		}),
		game: r.one.games({
			from: r.userGames.gameId,
			to: r.games.id
		})
	},

	// ── Game tracker ──────────────────────────────
	trackerGames: {
		items: r.many.trackerItems()
	},
	trackerItems: {
		game: r.one.trackerGames({
			from: r.trackerItems.gameId,
			to: r.trackerGames.id
		}),
		progress: r.many.trackerProgress()
	},
	trackerProgress: {
		item: r.one.trackerItems({
			from: r.trackerProgress.itemId,
			to: r.trackerItems.id
		}),
		user: r.one.user({
			from: r.trackerProgress.userId,
			to: r.user.id
		})
	},

	// ── Animaldex ─────────────────────────────────
	animals: {
		sightings: r.many.sightings()
	},
	sightings: {
		animal: r.one.animals({
			from: r.sightings.animalId,
			to: r.animals.id
		}),
		photos: r.many.photos()
	},
	photos: {
		sighting: r.one.sightings({
			from: r.photos.sightingId,
			to: r.sightings.id
		})
	},

	// ── Meta registry (lists live in schema `lists`, see src/lib/server/lists.ts)
	metaTables: {
		columns: r.many.metaColumns()
	},
	metaColumns: {
		table: r.one.metaTables({
			from: r.metaColumns.tableId,
			to: r.metaTables.id
		})
	}
}));