import { mkdtempSync, rmSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { Drive } from "@suaveplan/drive";
import { createNodeFsStorage } from "@suaveplan/storage-file";
import { createStorageUriResolver } from "@suaveplan/storage-uri";
import {
    afterEach,
    beforeEach,
    describe,
    expect,
    it,
} from "@suaveplan/testing/runner";
import { driveUriPlugin } from "../../src/plugins/drive/drive.js";

describe("drive-roundtrip integration", () => {
    let rootDir: string;
    let drive: Drive;

    beforeEach(async () => {
        rootDir = mkdtempSync(join(tmpdir(), "drive-uri-roundtrip-"));
        const fileStorage = createNodeFsStorage({ rootDir, mkdirp: true });
        const storage = Object.assign(fileStorage, { id: "default" });
        drive = new Drive(storage);
        await drive.initialize();
    });

    afterEach(async () => {
        await drive.dispose();
        rmSync(rootDir, { recursive: true, force: true });
    });

    it("writes a file via Drive.write then reads it via resolver.read('drive://')", {
        timeout: 30000,
    }, async () => {
        const plugin = driveUriPlugin({ drive, driveId: "test-drive" });
        const resolver = createStorageUriResolver([plugin]);
        const payload = new Uint8Array([0x4d, 0x4f, 0x56, 0x21]);
        await drive.write("folder/clip.mov", payload);
        const bytes = await resolver.read("drive://test-drive/folder/clip.mov");
        expect(Array.from(bytes)).toEqual(Array.from(payload));
    });

    it("resolver.open streams the file via Drive.createReadStream", {
        timeout: 30000,
    }, async () => {
        const plugin = driveUriPlugin({ drive, driveId: "test-drive" });
        const resolver = createStorageUriResolver([plugin]);
        const payload = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]);
        await drive.write("clip.dat", payload);
        const stream = await resolver.open("drive://test-drive/clip.dat");
        const reader = stream.getReader();
        const chunks: number[] = [];
        for (;;) {
            const { value, done } = await reader.read();
            if (done) break;
            if (value !== undefined) chunks.push(...value);
        }
        reader.releaseLock();
        expect(chunks).toEqual(Array.from(payload));
    });

    it("resolver.remove deletes the file", { timeout: 30000 }, async () => {
        const plugin = driveUriPlugin({ drive, driveId: "test-drive" });
        const resolver = createStorageUriResolver([plugin]);
        await drive.write("doomed.bin", new Uint8Array([42]));
        const removed = await resolver.remove("drive://test-drive/doomed.bin");
        expect(removed).toBe(true);
        // A subsequent read should yield STORAGE_URI.NOT_FOUND (the
        // adapter translates Drive's not-found into undefined, and the
        // resolver maps undefined to NOT_FOUND).
        await expect(
            resolver.read("drive://test-drive/doomed.bin")
        ).rejects.toBeDefined();
    });
});