// Code generated by hertz generator.

package weather_and_earthquake

import (
	"context"
	"encoding/json"
	"weather_and_earthquake/internal/biz"
	"weather_and_earthquake/internal/data"

	"github.com/cloudwego/hertz/pkg/app"
	"github.com/cloudwego/hertz/pkg/protocol/consts"
	weather_and_earthquake "weather_and_earthquake/biz/model/weather_and_earthquake"

	logs "github.com/zxysilent/logs"
)

// QueryMethod .
// @router / [GET]
func QueryMethod(ctx context.Context, c *app.RequestContext) {
	var err error
	var req weather_and_earthquake.QueryReq
	err = c.BindAndValidate(&req)
	if err != nil {
		c.String(consts.StatusBadRequest, err.Error())
		return
	}

	logs.Info("QueryMethod req: %v", req)
	resp := new(weather_and_earthquake.QueryResp)
	switch req.Op {
	case 0:
		// 获取地震信息
		resp.Code = 0
		resp.EarthquakeInformations = biz.GetEarthquakeInfo()
	case 1:
		// 通过ip地址查天气，不需要其他参数
		ip := c.ClientIP()
		GetWeatherConditionByIPAddr(ctx, resp, ip)
	case 2:
		// 通过 location key 查询天气，需要提供 location key
		if len(req.LocationKey) == 0 {
			resp.Code = -1
		} else {
			resp.LocationKey = req.LocationKey
			GetWeatherConditionByLocationKey(ctx, resp, req.LocationKey)
		}
	case 3:
		// 通过地名查询天气
		if len(req.Addr) == 0 {
			resp.Code = -1
		} else {
			GetWeatherConditionByAddress(ctx, resp, req.Addr)
		}
	default:
		resp.Code = -1
	}

	c.JSON(consts.StatusOK, resp)
}

func GetWeatherConditionByLocationKey(ctx context.Context, resp *weather_and_earthquake.QueryResp, key string) {
	resp.Code = 0
	condition, err := data.GetWeatherCondition(ctx, key)
	if err == nil && len(condition) > 0 {
		resp.CurrentConditions = condition
	} else {
		condition, err = biz.GetCurrentConditions(key)
		if err != nil {
			resp.Code = 1
			resp.CurrentConditions = ""
			logs.Errorf("GetWeatherConditionByLocationKey err: %v\n", err)
		} else {
			resp.CurrentConditions = condition
			err = data.SetWeatherCondition(ctx, key, condition)
			if err != nil {
				logs.Errorf("Set Weather Condition err: %v\n", err)
			}
		}
	}

	forecasts, err := data.GetDailyForecasts(ctx, key)
	if err == nil && len(forecasts) > 0 {
		resp.DailyForecasts = forecasts
	} else {
		forecasts, err = biz.GetDailyForecasts(key)
		if err != nil {
			resp.Code = 1
			resp.DailyForecasts = ""
			logs.Errorf("Get daily forecasts failed: %v\n", err)
		} else {
			resp.DailyForecasts = forecasts
			err = data.SetDailyForecasts(ctx, key, forecasts)
			if err != nil {
				logs.Errorf("Set daily forecasts failed: %v\n", err)
			}
		}
	}
}

func GetWeatherConditionByIPAddr(ctx context.Context, resp *weather_and_earthquake.QueryResp, ip string) {
	key, err := biz.GetLocationByIPAddr(ip)
	if err != nil {
		resp.Code = 2
		logs.Errorf("Query location for ip[%s] failed: %v\n", ip, err)
		return
	}

	resp.Code = 0
	resp.LocationKey = key
	condition, err := data.GetWeatherCondition(ctx, key)
	if err == nil && len(condition) > 0 {
		//logs.Info("缓存命中:" + key)
		resp.CurrentConditions = condition
	} else {
		condition, err = biz.GetCurrentConditions(key)
		if err != nil {
			resp.Code = 1
			resp.CurrentConditions = ""
			logs.Errorf("Get current conditions failed: %v\n", err)
		} else {
			resp.CurrentConditions = condition
			err = data.SetWeatherCondition(ctx, key, condition)
			if err != nil {
				logs.Errorf("Set weather condition failed: %v\n", err)
			}
		}
	}

	forecasts, err := data.GetDailyForecasts(ctx, key)
	if err == nil && len(forecasts) > 0 {
		resp.DailyForecasts = forecasts
	} else {
		forecasts, err = biz.GetDailyForecasts(key)
		if err != nil {
			resp.Code = 1
			resp.DailyForecasts = ""
			logs.Errorf("Get daily forecasts failed: %v\n", err)
		} else {
			resp.DailyForecasts = forecasts
			err = data.SetDailyForecasts(ctx, key, forecasts)
			if err != nil {
				logs.Errorf("Set daily forecasts failed: %v\n", err)
			}
		}
	}
}

func GetWeatherConditionByAddress(ctx context.Context, resp *weather_and_earthquake.QueryResp, address string) {
	content, err := biz.GetLocationsByName(address)
	if err != nil || len(content) == 0 {
		resp.Code = 2
		return
	}

	cities := make([]biz.CityInfo, 0)
	err = json.Unmarshal([]byte(content), &cities)
	if err != nil {
		resp.Code = 2
		return
	}

	if len(cities) == 1 {
		// 只找到一个对应的地点，就返回这个地点的结果
		city := cities[0]
		resp.LocationKey = city.Key
		GetWeatherConditionByLocationKey(ctx, resp, city.Key)
	} else {
		resp.Code = 3
		resp.Locations = content
	}
}