'use strict';

const assert = require('node:assert/strict');
const test = require('node:test');
const fs = require('node:fs');
const path = require('node:path');
const os = require('node:os');
const {
  createScriptTools,
  generateComponentTemplate,
  generatePlainTemplate,
} = require('../lib/tools/scripts');

test('generateComponentTemplate produces valid component with start and update', () => {
  const code = generateComponentTemplate('PlayerController');
  assert.ok(code.includes("import { _decorator, Component } from 'cc'"));
  assert.ok(code.includes("@ccclass('PlayerController')"));
  assert.ok(code.includes('export class PlayerController extends Component'));
  assert.ok(code.includes('start()'));
  assert.ok(code.includes('update(deltaTime: number)'));
});

test('generateComponentTemplate includes primitive @property', () => {
  const code = generateComponentTemplate('Enemy', [
    { name: 'speed', type: 'Number', default: 5 },
    { name: 'label', type: 'String', default: "'Enemy'" },
  ]);
  assert.ok(code.includes('@property'));
  assert.ok(code.includes('speed: number = 5'));
  assert.ok(code.includes("label: string = 'Enemy'"));
  assert.ok(!code.includes('Label'));
});

test('generateComponentTemplate includes CC type @property', () => {
  const code = generateComponentTemplate('Weapon', [
    { name: 'target', type: 'Label' },
    { name: 'sprite', type: 'Sprite' },
  ]);
  assert.ok(code.includes('@property(Label)'));
  assert.ok(code.includes('target: Label | null = null'));
  assert.ok(code.includes('@property(Sprite)'));
  assert.ok(code.includes('sprite: Sprite | null = null'));
  assert.ok(code.includes('import { _decorator, Component, Label, Sprite }'));
});

test('generateComponentTemplate uses defaults when property default is omitted', () => {
  const code = generateComponentTemplate('Item', [
    { name: 'count', type: 'Number' },
    { name: 'flag', type: 'Boolean' },
  ]);
  assert.ok(code.includes('count: number = 0'));
  assert.ok(code.includes('flag: boolean = false'));
});

test('generateComponentTemplate with no properties has placeholder comment', () => {
  const code = generateComponentTemplate('Empty');
  assert.ok(code.includes('// Add properties here'));
});

test('generatePlainTemplate produces minimal class', () => {
  const code = generatePlainTemplate('Utils');
  assert.ok(code.includes('export class Utils'));
  assert.ok(!code.includes('@ccclass'));
  assert.ok(!code.includes('@property'));
});

test('create_script writes file and returns metadata', async () => {
  const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'funplay-script-test-'));
  try {
    const createSchema = (properties, required) => {
      const schema = { type: 'object', properties };
      if (required && required.length) {
        schema.required = required;
      }
      return schema;
    };
    const getRuntimeContext = () => ({ projectPath: tmpDir });
    const tools = createScriptTools({ createSchema, getRuntimeContext });
    const tool = tools[0];

    const result = await tool.handler({
      scriptName: 'TestComp',
      savePath: 'assets/scripts/TestComp.ts',
      template: 'component',
      properties: [{ name: 'speed', type: 'Number', default: 10 }],
    });

    assert.equal(result.created, true);
    assert.equal(result.scriptName, 'TestComp');
    assert.equal(result.template, 'component');
    assert.equal(result.className, 'TestComp');

    const written = fs.readFileSync(path.join(tmpDir, 'assets', 'scripts', 'TestComp.ts'), 'utf8');
    assert.ok(written.includes('export class TestComp extends Component'));
    assert.ok(written.includes('speed: number = 10'));
  } finally {
    fs.rmSync(tmpDir, { recursive: true, force: true });
  }
});

test('create_script rejects non-.ts savePath', async () => {
  const createSchema = () => ({ type: 'object', properties: {} });
  const getRuntimeContext = () => ({ projectPath: '/tmp' });
  const tools = createScriptTools({ createSchema, getRuntimeContext });
  await assert.rejects(
    () => tools[0].handler({ scriptName: 'X', savePath: 'assets/scripts/X.js' }),
    /must end with \.ts/
  );
});

test('create_script requires scriptName and savePath', async () => {
  const createSchema = () => ({ type: 'object', properties: {} });
  const getRuntimeContext = () => ({ projectPath: '/tmp' });
  const tools = createScriptTools({ createSchema, getRuntimeContext });
  await assert.rejects(() => tools[0].handler({ savePath: 'X.ts' }), /scriptName is required/);
  await assert.rejects(() => tools[0].handler({ scriptName: 'X' }), /savePath is required/);
});

test('create_script plain template writes minimal class', async () => {
  const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'funplay-script-test-'));
  try {
    const createSchema = () => ({ type: 'object', properties: {} });
    const getRuntimeContext = () => ({ projectPath: tmpDir });
    const tools = createScriptTools({ createSchema, getRuntimeContext });

    const result = await tools[0].handler({
      scriptName: 'Helper',
      savePath: 'assets/scripts/Helper.ts',
      template: 'plain',
    });

    assert.equal(result.template, 'plain');
    const written = fs.readFileSync(path.join(tmpDir, 'assets', 'scripts', 'Helper.ts'), 'utf8');
    assert.ok(written.includes('export class Helper'));
    assert.ok(!written.includes('@ccclass'));
  } finally {
    fs.rmSync(tmpDir, { recursive: true, force: true });
  }
});