/**
 * Created by LangK on 2016/12/20.
 */

var express = require('express')
var bodyParser = require('body-parser')

var formidable = require('formidable');
var http = require('http');
var fs = require('fs');
var url = require('url');
var paths = require('path')
require('./API/config.js')

var app = express()
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({
  extended: false
}))/**/
app.use(express.static(paths.join(__dirname, '/dist/')))

var mongoose = require('./db.js')
// blog集合
var blogs = mongoose.model("blogs", {
  title: String,
  preface: String,
  ctime: Number,
  txt: String,
  read: Number,
  talls: Array,
  showtxt: String
});
// 标签云集合
var tag = mongoose.model("tags", {
  names: Array
});
// 账户集合  默认账户 admin  密码 123456
var logins = mongoose.model("logins", {
  account: String,
  password: String
});
// 登录
app.post('/login', function (req, res) {
  var aot = req.body.account
  var pwd = req.body.password
  logins.findOne({ account: aot, password: pwd }, function (err, data) {
    if (err) {
      res.status(200).json({
        'status': 400,
        'data': [],
        'msg': '写博客失败'
      })
    } else {
      console.log('登录成功')
      if (data == null) {
        res.status(200).json({
          'status': 205,
          'msg': '账号密码错误'
        })
      } else {
        res.status(200).json({
          'status': 200,
          'msg': '登录成功',
          'symid': aot + pwd
        })
      }
    }
  });
})

// 添加访客
app.get('/home/visit', function (req, res) {
  // console.log(req.connection.remoteAddress)
  var textObj = {
    visitNum: 1
  }
  // new visits(textObj).save((err) => {
  //   if (err) {
  //     res.status(200).json({
  //       'status': 400,
  //       'data': [],
  //       'msg': '写博客失败'
  //     })
  //   } else {
  //     console.log('访客添加成功')
  //     res.status(200).json({
  //       'status': 200,
  //       'msg': '访客添加成功'
  //     })
  //   }
  // })
})
// 添加博客
app.post('/comp/add', function (req, res) {
  var tallArr = req.body.talls.split('-')
  var ccc = Number(req.body.ctime)
  var radNum = Number(req.body.read)
  var textObj = {
    title: req.body.title,
    preface: req.body.preface,
    txt: req.body.txt,
    ctime: ccc,
    talls: tallArr,
    read: radNum,
    showtxt: req.body.showtxt
  }
  new blogs(textObj).save((err) => {
    if (err) {
      res.status(200).json({
        'status': 400,
        'data': [],
        'msg': '写博客失败'
      })
    } else {
      console.log('博客发表成功')
      res.status(200).json({
        'status': 200,
        'data': [],
        'msg': '预约成功'
      })
    }
  })
})
// 所有博客列表
app.get('/home/list', function (req, res) {
  var num = Number(req.query.num)
  var page = Number(req.query.page)
  blogs.count({}, function (err, count) {
    blogs.find({}).sort({ "ctime": -1 }).skip((page - 1) * num).limit(num).select('_id title preface ctime read talls showtxt')
      .exec(function (err, data) {
        if (err) {
          console.log(err)
          res.status(200).json({
            'status': 400,
            'data': "读取失败"
          })
        } else {
          res.status(200).json({
            'status': 200,
            'data': data,
            'tatal': count
          })
        }
      })
  })
})
// 查询博客详情
app.post('/home/find_details', function (req, res) {
  var id = req.body.id
  blogs.findOne({ _id: id }, function (err, data) {
    if (err) {
      console.log(err)
      res.status(200).json({
        'status': 400,
        'data': "读取失败"
      })
    } else {
      res.status(200).json({
        'status': 200,
        'data': data
      })
    }
  })
})
// 查询归档日期列表
app.get('/home/find_details_files', function (req, res) {
  var timeArr = [];
  var numArr = []
  blogs.find({}).select('ctime')
    .exec(function (err, data) {
      data.forEach(function (ele, index) {
        var now = new Date(ele.ctime)
        var year = now.getYear() - 100;
        var month = now.getMonth() + 1;
        month = month > 9 ? month : "0" + month
        switch (month) {
          case "01":
            month = '一月'
            break;
          case "02":
            month = '二月'
            break;
          case "03":
            month = '三月'
            break;
          case "04":
            month = '四月'
            break;
          case "05":
            month = '五月'
            break;
          case "06":
            month = '六月'
            break;
          case "07":
            month = '七月'
            break;
          case "08":
            month = '八月'
            break;
          case "09":
            month = '九月'
            break;
          case "10":
            month = '十月'
            break;
          case "11":
            month = '十一月'
            break;
          case "12":
            month = '十二月'
            break;
          default:
            break;
        }
        var tStr = month + "  20" + year
        timeArr.push(tStr)
        if (timeArr.length == data.length) {
          var _ones = [];
          for (var i = 0; i < timeArr.length;) {
            var count = 0;
            for (var j = i; j < timeArr.length; j++) {
              if (timeArr[i] == timeArr[j]) {
                count++;
              }
            }
            _ones.push([timeArr[i], count]);
            i += count;
          }
          var _newArr = [];
          for (var i = 0; i < _ones.length; i++) {
            _newArr.push({ time: _ones[i][0], num: _ones[i][1] });
          }
          if (err) {
            console.log(err)
            res.status(200).json({
              'status': 400,
              'data': "读取失败"
            })
          } else {
            res.status(200).json({
              'status': 200,
              'data': _newArr
            })
          }
        }
      })
    })
})
// 根据归档日期查询blog
app.post('/home/find_tags', function (req, res) {
  var timeStr = req.body.time
  var num = Number(req.body.num)
  var page = Number(req.body.page)
  var yearStr = timeStr.split("  ")[1]
  var mountStr = timeStr.split("  ")[0]
  var month = ''
  var yearDate = ''
  if (yearDate % 4 == 1) {
    switch (mountStr) {
      case "一月":
        month = '01'
        yearDate = '31'
        break;
      case "二月":
        yearDate = '29'
        month = '02'
        break;
      case "三月":
        yearDate = '31'
        month = '03'
        break;
      case "四月":
        yearDate = '30'
        month = '04'
        break;
      case "五月":
        yearDate = '31'
        month = '05'
        break;
      case "六月":
        yearDate = '30'
        month = '06'
        break;
      case "七月":
        yearDate = '31'
        month = '07'
        break;
      case "八月":
        month = '08'
        yearDate = '31'
        break;
      case "九月":
        month = '09'
        yearDate = '30'
        break;
      case "十月":
        month = '10'
        yearDate = '31'
        break;
      case "十一月":
        yearDate = '30'
        month = '11'
        break;
      case "十二月":
        yearDate = '31'
        month = '12'
        break;
      default:
        break;
    }
  } else {
    switch (mountStr) {
      case "一月":
        month = '01'
        yearDate = '31'
        break;
      case "二月":
        yearDate = '28'
        month = '02'
        break;
      case "三月":
        yearDate = '31'
        month = '03'
        break;
      case "四月":
        yearDate = '30'
        month = '04'
        break;
      case "五月":
        yearDate = '31'
        month = '05'
        break;
      case "六月":
        yearDate = '30'
        month = '06'
        break;
      case "七月":
        yearDate = '31'
        month = '07'
        break;
      case "八月":
        month = '08'
        yearDate = '31'
        break;
      case "九月":
        month = '09'
        yearDate = '30'
        break;
      case "十月":
        month = '10'
        yearDate = '31'
        break;
      case "十一月":
        yearDate = '30'
        month = '11'
        break;
      case "十二月":
        yearDate = '31'
        month = '12'
        break;
      default:
        break;
    }
  }
  var ctimeString = yearStr + "-" + month + "-01 00:00:00";
  var etimeString = yearStr + "-" + month + "-" + yearDate + " 00:00:00";
  var ctimestamp = Date.parse(new Date(ctimeString));
  var etimestamp = Date.parse(new Date(etimeString));
  var ctime = Number(ctimestamp)
  var etime = Number(etimestamp)
  blogs.count({ "ctime": { $gt: ctime, $lt: etime } }, function (err, count) {
    blogs.find({ "ctime": { $gt: ctime, $lt: etime } }).skip((page - 1) * num).limit(num)
      .exec(function (err, data) {
        if (err) {
          console.log(err)
          res.status(200).json({
            'status': 400,
            'data': "读取失败"
          })
        } else {
          res.status(200).json({
            'status': 200,
            'data': data,
            'tatal': count
          })
        }
      })
  })

})
// 更新阅读次数
app.post('/home/read', function (req, res) {
  var num = req.body.num
  var idStr = req.body.id
  blogs.update({ _id: idStr }, { read: num }, function (err, data) {
    if (err) {
      res.status(200).json({
        'status': 400,
        'data': "阅读次数更新失败"
      })
    } else {
      res.status(200).json({
        'status': 200,
        'data': data
      })
    }
  })
})
// 根据标签云查询blog
app.post('/home/find_arc', function (req, res) {
  var arcStr = req.body.arcstr
  var num = Number(req.body.num)
  var page = Number(req.body.page)
  blogs.count({ "talls": { $all: [arcStr] } }, function (err, count) {
    blogs.find({ "talls": { $all: [arcStr] } }).skip((page - 1) * num).limit(num)
      .exec(function (err, data) {
        if (err) {
          console.log(err)
          res.status(200).json({
            'status': 400,
            'data': "读取失败"
          })
        } else {
          res.status(200).json({
            'status': 200,
            'data': data,
            'tatal': count
          })
        }
      })
  })
})
// 图片上传
var uploadfoldername = 'uploadfiles';
var uploadfolderpath = __dirname + '/dist/' + uploadfoldername;
var inputfilename = 'wangEditorH5File';
app.post('/upload', function (req, res) {
  var form = new formidable.IncomingForm();
  form.uploadDir = "./tmp";
  form.parse(req, function (err, fields, files) {
    var file = files[inputfilename];
    var tempfilepath = file.path;
    var type = file.type;
    // console.log('虚拟地址', tempfilepath)
    var filename = file.name;
    var extname = filename.lastIndexOf('.') >= 0
      ? filename.slice(filename.lastIndexOf('.') - filename.length)
      : '';
    if (extname === '' && type.indexOf('/') >= 0) {
      extname = '.' + type.split('/')[1];
    }
    filename = Math.random().toString().slice(2) + extname;
    // console.log(filename)
    var filenewpath = uploadfolderpath + '/' + filename;
    // console.log('存储地址', filenewpath)
    fs.rename(tempfilepath, filenewpath, function (err) {
      var result = '';
      if (err) {
        console.log('fs.rename err');
        result = 'error|save error';
      } else {
        // 保存成功
        // console.log('fs.rename done');
        // 拼接图片url地址
        result = 'http://' + global.logIp + ':' + global.logport + '/' + uploadfoldername + '/' + filename;
      }
      // 返回结果
      res.writeHead(200, {
        'Content-type': 'text/html'
      });
      res.end(result);
    });
  })
})
// 查询所有标签
app.get('/tag/list', function (req, res) {
  tag.count({}, function (err, count) {
    tag.find({}).exec(function (err, data) {
      if (err) {
        console.log(err)
        res.status(200).json({
          'status': 400,
          'data': "读取失败"
        })
      } else {
        res.status(200).json({
          'status': 200,
          'data': data,
          'tatal': count
        })
      }
    })
  })
})
// 添加标签云
app.post('/tag/add', function (req, res) {
  var nameStr = req.body.tagstr
  var tagObj = {
    names: nameStr
  }
  tag.find({}).exec(function (err, data) {
    if (err) {
      console.log(err)
      res.status(200).json({
        'status': 400,
        'data': "读取失败"
      })
    } else {
      if (data.length > 0) {
        tag.update({ "_id": data[0]._id }, { $push: { "names": nameStr } }, function (err, data) {
          if (err) {
            res.status(200).json({
              'status': 400,
              'data': [],
              'msg': '写博客失败'
            })
          } else {
            res.status(200).json({
              'status': 200,
              'msg': '标签云更新成功'
            })
          }
        })
      } else {
        new tag(tagObj).save((err) => {
          if (err) {
            res.status(200).json({
              'status': 400,
              'data': [],
              'msg': '写博客失败'
            })
          } else {
            console.log('标签云添加成功')
            res.status(200).json({
              'status': 200,
              'msg': '预约成功'
            })
          }
        })
      }
    }
  })

})
// 搜索列表
app.get('/home/searchList', function (req, res) {
  blogs.find({}).sort({ "read": -1 }).select('_id title preface ctime read talls')
    .exec(function (err, data) {
      if (err) {
        console.log(err)
        res.status(200).json({
          'status': 400,
          'data': "读取失败"
        })
      } else {
        res.status(200).json({
          'status': 200,
          'data': data.splice(0, 5)
        })
      }
    })
})
// 热搜索列表
app.post('/home/sHotList', function (req, res) {
  var str = req.body.sear
  var expStr = new RegExp(str)
  blogs.find({ "$or": [{ txt: expStr }, { title: expStr }, { preface: expStr }] })
    .exec(function (err, data) {
      if (err) {
        console.log(err)
        res.status(200).json({
          'status': 400,
          'data': "读取失败"
        })
      } else {
        res.status(200).json({
          'status': 200,
          'data': data
        })
      }
    })
})
app.listen(80, function () {
  console.log('server start')
})