#!/usr/bin/env node

import fs from 'fs';
import path from 'path';

const args = process.argv.slice(2);

function getArg(name) {
  const idx = args.indexOf(name);
  return idx !== -1 ? args[idx + 1] : null;
}

function toKebab(str) {
  return str
    .replace(/([a-z0-9])([A-Z])/g, '$1-$2')
    .replace(/_/g, '-')
    .toLowerCase();
}

const moduleName = getArg('-name');
const moduleNum = getArg('-num');

if (!moduleName || !moduleNum) {
  console.log('Используй: npm run add-module -- -name settings -num 10');
  process.exit(1);
}

const root = process.cwd();
const folderName = toKebab(moduleName);
const modulesDir = path.join(root, 'src/modules');
const moduleDir = path.join(modulesDir, folderName);

if (fs.existsSync(moduleDir)) {
  console.log('Модуль уже существует');
  process.exit(1);
}

const pascal =
  moduleName
    .replace(/(^\w|[A-Z]|\b\w)/g, c => c.toUpperCase())
    .replace(/[-_]/g, '');

// ---------- helpers ----------
const EOL = '\n';

function write(file, content) {
  fs.mkdirSync(path.dirname(file), { recursive: true });
  fs.writeFileSync(file, content.trimStart().replace(/\r?\n/g, EOL));
}

// ---------- configs ----------
const viteConfig = `
import { defineConfig } from 'vite';
import vue from '@vitejs/plugin-vue';
import vueJsx from '@vitejs/plugin-vue-jsx';
import path from 'node:path';

export default defineConfig({
  build: {
    lib: {
      entry: path.resolve(__dirname, 'src/index.ts'),
      name: '${pascal}',
      formats: ['es', 'cjs'],
      fileName: (format) => \`index.\${format}.js\`
    },
    rollupOptions: {
      external: (id) => id.startsWith('@itprom/') || ['vue', 'pinia', 'vue-router', 'element-plus'].includes(id),
      output: {
        preserveModules: false
      }
    },
    outDir: 'dist'
  },
  resolve: {
    alias: {
      '@': path.resolve(__dirname, '../../')
    }
  },
  plugins: [
    vue(),
    vueJsx()
  ]
});
`;

const tsconfig = `
{
  "extends": "../../../tsconfig.base.json",
  "compilerOptions": {
    "verbatimModuleSyntax": true,
    "target": "ESNext",
    "module": "ESNext",
    "moduleResolution": "bundler",
    "jsx": "preserve",
    "jsxImportSource": "vue",
    "types": [
      "vite/client",
      "node"
    ],
    "declaration": true,
    "outDir": "dist",
    "strict": true,
    "skipLibCheck": true,
    "esModuleInterop": true
  },
    "include": [
    "**/*.ts",
    "**/*.tsx",
    "**/*.vue",
    "**/*.d.ts"
  ]
}
`;

const tsconfigBuild = `
{
  "extends": "./tsconfig.json",
  "compilerOptions": {
    "declaration": true,
    "emitDeclarationOnly": true,
    "outDir": "dist",
    "noEmit": false,
    "paths": {
      "@itprom/*": [
        "../src/modules/*/src/index.d.ts"
      ]
    }
  },
  "include": [
    "src/**/*"
  ],
  "exclude": [
    "vite.config.ts"
  ]
}
`;

const pkg = `
{
  "name": "@itprom/${folderName}",
  "version": "1.0.0",
  "main": "dist/index.cjs.js",
  "module": "dist/index.es.js",
  "types": "dist/index.d.ts",
  "files": [
    "dist"
  ],
  "scripts": {
    "build": "vite build && vue-tsc -p tsconfig.build.json"
  },
  "peerDependencies": {
    "@itprom/core": "^1.0.0",
    "@itprom/core-components": "^1.0.0",
    "vue": "^3.5.27"
  },
  "exports": {
    ".": {
      "types": "./dist/index.d.ts",
      "import": "./dist/index.es.js",
      "require": "./dist/index.cjs.js"
    }
  }
}
`;

// ---------- src files ----------

const moduleInfo = `
import { type ModuleInfo } from '@itprom/core';

export const moduleInfo: ModuleInfo = {
  name: '${moduleName}',
  num: '${moduleNum}',
  component: () => import('./components/${pascal}Component.vue')
};
`;

const indexTs = `
export * from './classes/${pascal}';
export { } from './classes/${pascal}Service';
export { default as ${pascal}Component } from './components/${pascal}Component.vue';
export { moduleInfo } from './moduleInfo';
`;

const componentVue = `
<template>
</template>

<script setup lang="ts">
</script>
`;

const classTs = `
export class ${pascal} {

}
`;

const serviceTs = `
export class ${pascal}Service {

}
`;

// ---------- write ----------

write(path.join(moduleDir, 'vite.config.ts'), viteConfig);
write(path.join(moduleDir, 'tsconfig.json'), tsconfig);
write(path.join(moduleDir, 'tsconfig.build.json'), tsconfigBuild);
write(path.join(moduleDir, 'package.json'), pkg);

write(path.join(moduleDir, 'src/components', `${pascal}Component.vue`), componentVue);
write(path.join(moduleDir, 'src/classes', `${pascal}.ts`), classTs);
write(path.join(moduleDir, 'src/classes', `${pascal}Service.ts`), serviceTs);
write(path.join(moduleDir, 'src/moduleInfo.ts'), moduleInfo);
write(path.join(moduleDir, 'src/index.ts'), indexTs);

// ---------- update modules.json ----------
const modulesJsonPath = path.join(root, 'scripts/modules.json');

if (fs.existsSync(modulesJsonPath)) {
  const list = JSON.parse(fs.readFileSync(modulesJsonPath, 'utf8'));

  if (!list.includes(folderName)) {
    list.push(folderName);
    fs.writeFileSync(modulesJsonPath, JSON.stringify(list, null, 2));
  }
}

// ---------- update root package.json ----------
const rootPkgPath = path.join(root, 'package.json');

if (fs.existsSync(rootPkgPath)) {
  const rootPkg = JSON.parse(fs.readFileSync(rootPkgPath, 'utf8'));

  rootPkg.dependencies ??= {};

  const depName = `@itprom/${folderName}`;

  if (!rootPkg.dependencies[depName]) {
    rootPkg.dependencies[depName] = 'workspace:*';
  }

  fs.writeFileSync(rootPkgPath, JSON.stringify(rootPkg, null, 2));
}

console.log(`✅ Модуль ${moduleName} создан`);