const Koa = require('koa')
const app = new Koa()
const views = require('koa-views')
const json = require('koa-json')
const onerror = require('koa-onerror')
const logger = require('koa-logger')
const {koaBody} = require('koa-body')//   支持form-data，支持文件，不支持x-www-form-urlencoded，不可同时使用，

const index = require('./routes/index')
const users = require('./routes/users')
const fileStorage = require('./routes/fileStorage')
const menu = require('./routes/menu')
const container = require('./routes/container')

const initSQL = require('./Database/index');

initSQL()

// error handler
onerror(app)

// middlewares
app.use(json())
app.use(logger())
app.use(require('koa-static')(__dirname + '/public'))

app.use(views(__dirname + '/views', {
    extension: 'pug'
}))

// logger
app.use(async (ctx, next) => {
    const start = new Date()
    await next()
    const ms = new Date() - start
    console.log(`${ctx.method} ${ctx.url} - ${ms}ms`)
})
app.use(koaBody({
    multipart: true, // 支持文件上传
    encoding: 'gzip',
    strict: false,//  参数:如果启用，则不解析GET，HEAD，DELETE请求，默认为true
    formidable: {
        // uploadDir:path.join(__dirname,'public/upload/'), // 设置文件上传目录
        keepExtensions: true,    // 保持文件的后缀
        maxFieldsSize: 10 * 1024 * 1024, // 文件上传大小
        // onFileBegin:(name,file) => { // 文件上传前的设置
        //     // console.log(`name: ${name}`);
        //     // console.log(file);
        // },
    }
}));

// routes
app.use(index.routes(), index.allowedMethods())
app.use(users.routes(), users.allowedMethods())
app.use(fileStorage.routes(), fileStorage.allowedMethods())
app.use(menu.routes(), menu.allowedMethods())
app.use(container.routes(), container.allowedMethods())
global.dirname = __dirname

// error-handling
app.on('error', (err, ctx) => {
    console.error('server error', err, ctx)
});


module.exports = app