import { test } from "node:test";
import assert from "node:assert/strict";
import path from "node:path";
import { fileURLToPath } from "node:url";
import dotenv from "dotenv";
import getPool from "../lib/server/db";
import { createEntry, deleteEntry, listEntries, updateEntry } from "../lib/server/entries";
import { ensureTagsForGroup } from "../lib/server/tags";
import { cleanupTestData, uniqueInviteCode } from "./test-helpers";

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const envLoaded = dotenv.config({ path: path.resolve(__dirname, "../../../.env") });

const hasDb = Boolean(process.env.DATABASE_URL);

test("entries CRUD", async t => {
    if (!hasDb) {
        t.skip("DATABASE_URL not set");
        return;
    }

    if (envLoaded.error) t.diagnostic(String(envLoaded.error));

    const pool = getPool();
    const client = await pool.connect();
    let userId: number | null = null;
    let groupId: number | null = null;
    try {
        const userRes = await client.query(
            "insert into users(email, password_hash) values($1,$2) returning id",
            [`entry_${Date.now()}@example.com`, "hash"]
        );
        userId = userRes.rows[0].id as number;

        const groupRes = await client.query(
            "insert into groups(name, invite_code, created_by) values($1,$2,$3) returning id",
            ["Entries Test", uniqueInviteCode("E"), userId]
        );
        groupId = groupRes.rows[0].id as number;

        await client.query(
            "insert into group_members(group_id, user_id, role) values($1,$2,'GROUP_ADMIN')",
            [groupId, userId]
        );

        await ensureTagsForGroup({ userId, groupId, tags: ["groceries", "weekly"] });

        const entry = await createEntry({
            groupId,
            userId,
            entryType: "SPENDING",
            amountDollars: 12.34,
            occurredAt: "2026-02-02",
            necessity: "NECESSARY",
            purchaseType: "Groceries",
            notes: "Test",
            tags: ["groceries", "weekly"]
        });

        const list = await listEntries(groupId);
        assert.equal(list.length, 1);
        assert.equal(list[0].id, entry.id);
        assert.deepEqual(list[0].tags.sort(), ["groceries", "weekly"]);
        assert.equal(list[0].entryType, "SPENDING");

        const updated = await updateEntry({
            id: entry.id,
            groupId,
            userId,
            entryType: "INCOME",
            amountDollars: 15,
            occurredAt: "2026-02-02",
            necessity: "BOTH",
            purchaseType: "Groceries",
            notes: "Updated",
            tags: ["groceries"]
        });
        assert.ok(updated);
        assert.equal(updated?.amountDollars, 15);
        assert.equal(updated?.entryType, "INCOME");
        assert.deepEqual(updated?.tags.sort(), ["groceries"]);

        await deleteEntry({ id: entry.id, groupId, userId });
        const listAfter = await listEntries(groupId);
        assert.equal(listAfter.length, 0);
    } finally {
        await cleanupTestData(client, { userIds: [userId], groupId });
        client.release();
    }
});