import * as path from 'path'
import * as fs from 'fs'
import { parseEnv, parseArgv } from '../../utils/parse'

const pluginRE = /^(@vue\/|vue-|@[\w-]+(\.)?[\w-]+\/vue-)cli-plugin-/

const isVuePlugin = (id: string) => pluginRE.test(id)

const { VUE_DEV_LINT_ON_SAVE } = parseEnv()

export interface IPackage {
    dependencies: { [packageName: string]: string }
    devDependencies: { [packageName: string]: string }
}

const DEFAULT_CONFIG_PACKAGE_PATH = path.resolve(__dirname, '../../../package.json')

export const injectVuePluginOptions = () => {
    const services = (process as any)['VUE_CLI_SERVICE']
    const pkg = services.pkg
    const { command } = parseArgv()
    // 加载vue-default-config携带的 package.json
    const def = JSON.parse(fs.readFileSync(DEFAULT_CONFIG_PACKAGE_PATH, { encoding: 'utf-8' }))
    // 过滤 vue-plugin
    const { dependencies, devDependencies } = def
    const dep = { ...devDependencies, ...dependencies }
    for (const pluginKey of Object.keys(dep).filter(isVuePlugin)) {
        // 添加到 pkg 中
        const pluginVersion = dep[pluginKey]
        if (pkg.dependencies[pluginKey] || pkg.devDependencies[pluginKey]) continue
        if (command === 'serve' && pluginKey === '@vue/cli-plugin-eslint' && VUE_DEV_LINT_ON_SAVE !== 1) {
            continue
        }
        pkg.devDependencies[pluginKey] = pluginVersion
    }
    services.plugins = services.resolvePlugins()
}