var createError = require('http-errors');
var express = require('express');
var path = require('path');
var fs = require('fs');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
const session = require('express-session')
    // const RedisStore = require('connect-redis')(session)

// var indexRouter = require('./routes/index');
// var usersRouter = require('./routes/users');
const blogRouter = require('./routes/blog')
const userRouter = require('./routes/user')

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

const ENV = process.env.NODE_ENV
if (ENV !== 'production') {
    // 开发环境 / 测试环境
    app.use(logger('dev'));
} else {
    // 线上环境
    const logFileName = path.join(__dirname, 'logs', 'access.log')
    const writeStream = fs.createWriteStream(logFileName, {
        flags: 'a'
    })
    app.use(logger('combined', {
        stream: writeStream
    }));
}

app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// const redisClient = require('./db/redis')
// const sessionStore = new RedisStore({
//   client: redisClient
// })
app.use(session({
    secret: 'WJiol#23123_',
    cookie: {
        // path: '/',   // 默认配置
        // httpOnly: true,  // 默认配置
        maxAge: 24 * 60 * 60 * 1000
    },
    // store: sessionStore
}))

// app.use('/', indexRouter);
// app.use('/users', usersRouter);
app.use('/api/blog', blogRouter);
app.use('/api/user', userRouter);

app.get('/', function(req, res) {
    res.sendFile(__dirname + "/public" + "/xl-BLOG/index.html")
});

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'dev' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});


module.exports = app;