package main

import (
	"database/sql"
	"encoding/json"
	_ "github.com/mattn/go-sqlite3"
	"log"
	"os"
	"strconv"
	"time"
)

type Traffic struct {
	TRAFFIC uint16 `json:"traffic"`
}

type Satisfaction struct {
	SATISFACTION float64 `json:"satisfaction"`
}

type Conf struct {
	GATEWAY_INFO         Gateway_info            `json:"gateway_info"`
	DEVICES_LIST         [][]string              `json:"devices_list`
	SERIALPORTS_LIST     map[string]Serialconf   `json:"serialports_list"`
	RS485DEVICES         map[string]Rs485devices `json:"rs485devices"`
	ICONURL              string                  `json:"iconurl`
	WEBSOCKETURL         []string                `json:"websocketurl"`
	POST_TO_SERVER       string                  `json:"post_to_server"`
	DEBUG                bool                    `json:"debug"`
	OPENSERIAL           bool                    `json:"openserial"`
	WIRELESSSLAVEDEVICES []WirelessSlaveDevice   `json:"wireless_slave_devices"`
}

//无线 下位机
type WirelessSlaveDevice struct {
	ADRH    int    `json:"adrh"`
	ADRL    int    `json:"adrl"`
	TYPE    int    `json:"type"`
	VERSION string `json:"version"`
	FLIP    bool   `json:"flip"`
	ID      string `json:"id"`
}

type Gateway_info struct {
	ID       string    `json:"id"`
	VERSION  string    `json:"version"`
	LOCATION []float64 `json:"location"`
	UNITNAME string    `json:"单位"`
	CONFIG   []Config  `json:"config"`
}

type Config struct {
	ID      string          `json:"id"`
	VERAION string          `json:"version"`
	DATA    [][]interface{} `json:"data"`
}

type Rs485devices struct {
	VERSION string   `json:"version"`
	NUM     string   `json:"num"`
	COMMAND [][]byte `json:"command"`
}

type Serialconf struct {
	COM         string `json:"com"`
	BAUDS       int    `json:"bauds"`
	SIZE        uint16 `json:"size"`
	PARITY      string `json:"parity"`
	STOPBITS    int    `json:"stopbits"`
	READTIMEOUT int    `json:"readtimeout"`
	NOTE        string `json:"note"`
}

var conf Conf
var DEVICEDATAS Devicedatas
var demoDevice Device

var db, _ = sql.Open("sqlite3", "./db/gateway.db")

// 加载配置文件
func init() {
	configfile, err := os.Open("conf/gateway.conf")
	check(err)
	defer configfile.Close()
	err = json.NewDecoder(configfile).Decode(&conf)
	check(err)
	var device Device

	log.Println("slaveDevices:", conf.WIRELESSSLAVEDEVICES)

	// for _,i := range conf.WIRELESSSLAVEDEVICES{
	// log.Println(conf.WIRELESSSLAVEDEVICES[k].ID)
	// log.Println(i.ID)
	// }

	DEVICEDATAS.Lock()
	DEVICEDATAS.DATA = make(map[string]Device)
	//初始化设备，目前conf.DEVICES_LIST
	for _, i := range conf.DEVICES_LIST {
		device.DATA = make(map[string]interface{})
		device.ID = i[0]
		device.VERSION = i[2]
		//版本号+编号
		DEVICEDATAS.DATA[i[2]+"_"+i[3]] = device
	}
	DEVICEDATAS.Unlock()

	demoDevice.ID = "deb03e28-ddcb-4e5d-aa31-d870a1f0f09b"
	demoDevice.VERSION = "yunhorn_kgl_c8_v1"
	demoDevice.DATA = make(map[string]interface{})
	for a := 0; a < 8; a++ {
		demoDevice.DATA["data"+strconv.Itoa(a+1)] = 0
	}
	demoDevice.ONLINE = true
	log.Println("init demoDevice success:", demoDevice)

	dbdata_init()

}

var good, bad float64
var traffic_data Traffic
var satisfaction_data Satisfaction

// 初始化评价数据和人流量数据
func dbdata_init() {
	rows, err := db.Query("SELECT good, bad FROM satisfaction order by id DESC limit 1")
	if err != nil {
		good = 1
		bad = 0

	} else {
		rows.Next()
		rows.Scan(&good, &bad)
		rows.Close()
	}
	//在原本没有db文件的情况下调用 会报错
	// rows.Close()
	rows, err = db.Query("SELECT traffic FROM traffic t where datetime(t.create_time) > datetime('now','start of day','-1 day') order by id DESC limit 1 ")
	if err != nil {
		traffic_data.TRAFFIC = 0
	} else {
		rows.Next()
		rows.Scan(&traffic_data.TRAFFIC)
		rows.Close()
	}
	//在原本没有db文件的情况下调用 会报错
	//  rows.Close()
}

// 定时更新评价数据和人流数据
func savedata_cron() {
	T := time.Now().Format("2006-01-02")
	stmt, err := db.Prepare("UPDATE satisfaction set  good=?, bad=? ,create_time=? where id=(SELECT max(id) FROM satisfaction)")
	check(err)
	stmt.Exec(&good, &bad, &T)
	stmt, err = db.Prepare("UPDATE traffic set traffic=?, create_time=? where id=(SELECT max(id) FROM traffic)")
	check(err)
	stmt.Exec(&traffic_data.TRAFFIC, &T)
}

// 每天0点插入一条数据
//TODO 刚好有人流量数据
func insertdata() {
	T := time.Now().Format("2006-01-02")
	stmt, _ := db.Prepare(`INSERT INTO traffic (traffic, create_time) values (?, ?)`)
	stmt.Exec(&traffic_data.TRAFFIC, &T)
	traffic_data.TRAFFIC = 0
}