const test = require('node:test');
const assert = require('node:assert/strict');
const fs = require('node:fs');
const os = require('node:os');
const path = require('node:path');
const { spawnSync } = require('node:child_process');

const root = path.resolve(__dirname, '..');
const script = path.join(root, 'scripts', 'docker-build-push.sh');

function runWithMockDocker(args = [], env = {}) {
    const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'nodecast-docker-build-push-'));
    const bin = path.join(dir, 'bin');
    fs.mkdirSync(bin);
    const log = path.join(dir, 'docker.log');
    const docker = path.join(bin, 'docker');
    fs.writeFileSync(docker, `#!/usr/bin/env bash\nprintf '%s\\n' "$*" >> "${log}"\n`);
    fs.chmodSync(docker, 0o755);
    const result = spawnSync('bash', [script, ...args], {
        cwd: root,
        env: {
            ...process.env,
            PATH: `${bin}${path.delimiter}${process.env.PATH}`,
            ...env
        },
        encoding: 'utf8'
    });
    const commands = fs.existsSync(log) ? fs.readFileSync(log, 'utf8').trim().split('\n').filter(Boolean) : [];
    fs.rmSync(dir, { recursive: true, force: true });
    return {
        result,
        commands
    };
}

test('docker build/push script builds and pushes Nodecast and Laya images by default', () => {
    const { result, commands } = runWithMockDocker();
    assert.equal(result.status, 0, result.stderr || result.stdout);
    assert.deepEqual(commands, [
        `build --file ${path.join(root, 'Dockerfile')} --tag gitea.anthonybouteiller.ovh/blomios/nodecast-tv:latest ${root}`,
        `build --file ${path.join(root, 'Dockerfile.laya')} --tag gitea.anthonybouteiller.ovh/blomios/nodecast-tv-laya:latest ${root}`,
        'push gitea.anthonybouteiller.ovh/blomios/nodecast-tv:latest',
        'push gitea.anthonybouteiller.ovh/blomios/nodecast-tv-laya:latest'
    ]);
});

test('--no-push builds both images and skips both pushes', () => {
    const { result, commands } = runWithMockDocker(['--no-push']);
    assert.equal(result.status, 0, result.stderr || result.stdout);
    assert.deepEqual(commands, [
        `build --file ${path.join(root, 'Dockerfile')} --tag gitea.anthonybouteiller.ovh/blomios/nodecast-tv:latest ${root}`,
        `build --file ${path.join(root, 'Dockerfile.laya')} --tag gitea.anthonybouteiller.ovh/blomios/nodecast-tv-laya:latest ${root}`
    ]);
});

test('DRY_RUN=true builds both images and skips both pushes', () => {
    const { result, commands } = runWithMockDocker([], { DRY_RUN: 'true' });
    assert.equal(result.status, 0, result.stderr || result.stdout);
    assert.deepEqual(commands, [
        `build --file ${path.join(root, 'Dockerfile')} --tag gitea.anthonybouteiller.ovh/blomios/nodecast-tv:latest ${root}`,
        `build --file ${path.join(root, 'Dockerfile.laya')} --tag gitea.anthonybouteiller.ovh/blomios/nodecast-tv-laya:latest ${root}`
    ]);
});