import achievementArt from '../data/cod-achievement-art.json';
const achievementImages: Record<string, string> = achievementArt;
import artwork from '../data/cod-art.json';
import { readFile } from 'node:fs/promises';
import { drizzle } from 'drizzle-orm/postgres-js';
import { and, eq, inArray, notInArray, sql } from 'drizzle-orm';
import postgres from 'postgres';
import {
	trackerGames,
	trackerItems,
	trackerProgress
} from '../src/lib/server/db/schema/game-tracker';
import type { MasteryRules } from '../src/lib/game-tracker/mastery';

type Catalog = {
	games: (Omit<MasteryRules, 'classes'> & {
		slug: string;
		name: string;
		shortName: string;
		releaseYear: number;
		classes: { name: string; weapons: string[]; postLaunch?: string[] }[];
		achievements: {
			key: string;
			category: string;
			name: string;
			description: string | null;
			icon: string;
		}[];
	})[];
};

// Keys are derived from weapon names, so renaming a weapon starts its progress over.
const weaponKey = (name: string) =>
	`weapon:${name
		.toLowerCase()
		.replace(/[^a-z0-9]+/g, '-')
		.replace(/^-|-$/g, '')}`;

if (!process.env.DB_URL) throw new Error('DB_URL is required');
const catalog: Catalog = JSON.parse(
	await readFile(new URL('../data/call-of-duty.json', import.meta.url), 'utf8')
);
const client = postgres(process.env.DB_URL, { max: 1 });
const db = drizzle({ client });
try {
	await db.transaction(async (tx) => {
		for (const [order, game] of catalog.games.entries()) {
			const rules: MasteryRules = {
				milestones: game.milestones,
				tiers: game.tiers,
				classes: game.classes.map((c) => c.name),
				steamApps: game.steamApps,
				rankCaps: game.rankCaps
			};
			const values = {
				slug: game.slug,
				franchise: 'call-of-duty',
				name: game.name,
				shortName: game.shortName,
				releaseYear: game.releaseYear,
				sortOrder: order,
				rules
			};
			const [saved] = await tx
				.insert(trackerGames)
				.values(values)
				.onConflictDoUpdate({ target: trackerGames.slug, set: values })
				.returning();
			const weapons = game.classes.flatMap((c) =>
				[
					...c.weapons.map((name) => ({ name, postLaunch: false })),
					...(c.postLaunch ?? []).map((name) => ({ name, postLaunch: true }))
				].map((weapon) => ({ ...weapon, category: c.name }))
			);
			const items = [
				...weapons.map((weapon, index) => ({
					gameId: saved.id,
					key: weaponKey(weapon.name),
					kind: 'weapon' as const,
					category: weapon.category,
					name: weapon.name,
					description: null,
					icon:
						artwork.find((a) => a.game === game.slug && a.key === weaponKey(weapon.name))?.path ??
						null,
					postLaunch: weapon.postLaunch,
					sortOrder: index
				})),
				...game.achievements.map((achievement, index) => ({
					gameId: saved.id,
					key: achievement.key,
					kind: 'achievement' as const,
					category: achievement.category,
					name: achievement.name,
					description: achievement.description,
					icon: achievementImages[achievement.icon] ?? achievement.icon,
					postLaunch: false,
					sortOrder: index
				}))
			];
			await tx
				.insert(trackerItems)
				.values(items)
				.onConflictDoUpdate({
					target: [trackerItems.gameId, trackerItems.key],
					set: {
						kind: sql`excluded.kind`,
						category: sql`excluded.category`,
						name: sql`excluded.name`,
						description: sql`excluded.description`,
						icon: sql`excluded.icon`,
						postLaunch: sql`excluded.post_launch`,
						sortOrder: sql`excluded.sort_order`
					}
				});
			// Items dropped from the catalog disappear unless someone has progress on them.
			const stale = await tx
				.select({ id: trackerItems.id, name: trackerItems.name })
				.from(trackerItems)
				.where(
					and(
						eq(trackerItems.gameId, saved.id),
						notInArray(
							trackerItems.key,
							items.map((item) => item.key)
						)
					)
				);
			if (stale.length) {
				const kept = await tx
					.selectDistinct({ id: trackerProgress.itemId })
					.from(trackerProgress)
					.where(
						inArray(
							trackerProgress.itemId,
							stale.map((item) => item.id)
						)
					);
				const keep = new Set(kept.map((row) => row.id));
				const remove = stale.filter((item) => !keep.has(item.id)).map((item) => item.id);
				if (remove.length) await tx.delete(trackerItems).where(inArray(trackerItems.id, remove));
				for (const item of stale.filter((item) => keep.has(item.id)))
					console.warn(
						`${game.shortName}: kept "${item.name}", which has progress but left the catalog`
					);
			}
			console.log(
				`${game.shortName}: ${weapons.length} weapons, ${game.achievements.length} achievements`
			);
		}
	});
} finally {
	await client.end();
}