import { Database } from "bun:sqlite";
import { unlink } from "node:fs/promises";
import { drizzle } from "drizzle-orm/bun-sqlite";
import { migrate } from "drizzle-orm/bun-sqlite/migrator";
import * as schema from "../src/db/schema";

const DB_PATH = "./e2e/test.db";

export async function seedTestDatabase() {
	// Remove old test DB if it exists
	try {
		await unlink(DB_PATH);
	} catch {
		// File doesn't exist, that's fine
	}

	const sqlite = new Database(DB_PATH);
	sqlite.run("PRAGMA journal_mode = WAL");
	sqlite.run("PRAGMA foreign_keys = ON");

	const db = drizzle(sqlite, { schema });
	migrate(db, { migrationsFolder: "./drizzle" });

	// ── Categories ──
	const [uncategorized] = db
		.insert(schema.categories)
		.values({ name: "Uncategorized", icon: "package" })
		.returning()
		.all();

	const [shelter] = db
		.insert(schema.categories)
		.values({ name: "Shelter", icon: "tent" })
		.returning()
		.all();

	const [sleep] = db
		.insert(schema.categories)
		.values({ name: "Sleep System", icon: "moon" })
		.returning()
		.all();

	const [cook] = db
		.insert(schema.categories)
		.values({ name: "Cook Kit", icon: "flame" })
		.returning()
		.all();

	// ── Items ──
	const tent = db
		.insert(schema.items)
		.values({
			name: "Zpacks Duplex",
			weightGrams: 539,
			priceCents: 67900,
			categoryId: shelter.id,
			notes: "DCF shelter, 2-person",
		})
		.returning()
		.get();

	db.insert(schema.items)
		.values({
			name: "Borah Gear Tarp",
			weightGrams: 156,
			priceCents: 11000,
			categoryId: shelter.id,
		})
		.run();

	const quilt = db
		.insert(schema.items)
		.values({
			name: "Enlightened Equipment Enigma 20",
			weightGrams: 595,
			priceCents: 34000,
			categoryId: sleep.id,
			notes: "20F quilt",
		})
		.returning()
		.get();

	const pad = db
		.insert(schema.items)
		.values({
			name: "Therm-a-Rest NeoAir XLite",
			weightGrams: 354,
			priceCents: 20999,
			categoryId: sleep.id,
		})
		.returning()
		.get();

	const stove = db
		.insert(schema.items)
		.values({
			name: "BRS-3000T Stove",
			weightGrams: 25,
			priceCents: 2000,
			categoryId: cook.id,
		})
		.returning()
		.get();

	db.insert(schema.items)
		.values({
			name: "Toaks 750ml Pot",
			weightGrams: 103,
			priceCents: 3000,
			categoryId: cook.id,
		})
		.run();

	// ── Active Thread with 3 Candidates ──
	const activeThread = db
		.insert(schema.threads)
		.values({
			name: "New Backpack",
			status: "active",
			categoryId: uncategorized.id,
		})
		.returning()
		.get();

	db.insert(schema.threadCandidates)
		.values({
			threadId: activeThread.id,
			name: "ULA Circuit",
			weightGrams: 1077,
			priceCents: 27500,
			categoryId: uncategorized.id,
			pros: "Great hip belt\nLarge capacity",
			cons: "Heavier than competitors",
			sortOrder: 1000,
			status: "researching",
		})
		.run();

	db.insert(schema.threadCandidates)
		.values({
			threadId: activeThread.id,
			name: "Gossamer Gear Mariposa",
			weightGrams: 737,
			priceCents: 28500,
			categoryId: uncategorized.id,
			pros: "Very lightweight\nGood ventilation",
			cons: "Smaller hip belt pockets",
			sortOrder: 2000,
			status: "researching",
		})
		.run();

	db.insert(schema.threadCandidates)
		.values({
			threadId: activeThread.id,
			name: "Granite Gear Crown2 38",
			weightGrams: 850,
			priceCents: 18000,
			categoryId: uncategorized.id,
			sortOrder: 3000,
			status: "ordered",
		})
		.run();

	// ── Resolved Thread ──
	const resolvedThread = db
		.insert(schema.threads)
		.values({
			name: "Camp Stove",
			status: "resolved",
			categoryId: cook.id,
			resolvedCandidateId: 1,
		})
		.returning()
		.get();

	db.insert(schema.threadCandidates)
		.values({
			threadId: resolvedThread.id,
			name: "BRS-3000T",
			weightGrams: 25,
			priceCents: 2000,
			categoryId: cook.id,
			sortOrder: 1000,
			status: "arrived",
		})
		.run();

	// ── Setup with Items ──
	const setup = db
		.insert(schema.setups)
		.values({ name: "Weekend Overnighter" })
		.returning()
		.get();

	db.insert(schema.setupItems)
		.values([
			{ setupId: setup.id, itemId: tent.id, classification: "base" },
			{ setupId: setup.id, itemId: quilt.id, classification: "base" },
			{ setupId: setup.id, itemId: pad.id, classification: "base" },
			{ setupId: setup.id, itemId: stove.id, classification: "consumable" },
		])
		.run();

	// ── API Key for E2E Authentication ──
	const rawKey = "e2e-test-api-key-for-gearbox-testing";
	const keyHash = await Bun.password.hash(rawKey);
	const keyPrefix = rawKey.slice(0, 8);
	db.insert(schema.apiKeys)
		.values({ name: "E2E Test Key", keyHash, keyPrefix })
		.run();

	// ── Settings ──
	db.insert(schema.settings)
		.values([
			{ key: "weightUnit", value: "g" },
			{ key: "currency", value: "USD" },
			{ key: "onboardingComplete", value: "true" },
		])
		.run();

	sqlite.close();
	console.log("E2E test database seeded at", DB_PATH);
}