package influx

import (
	"context"
	"fmt"
	"net/url"
	"time"
)

const (
	db104 = "influxBucket"
	tb104 = "cl104"
)

const (
	mainPos104Key = "ca"
	subPos104Key  = "ioa"
	val104Key     = "val"
)

func Get104PointLast(ctx context.Context, req *Request) ([]TV, error) {
	req.Begin = time.Now().UnixMilli() - int64(15*60*1000)
	return client.Get104PointLastLimit(ctx, req, 1)
}

func Get104PointDuration(ctx context.Context, req *Request) ([]TV, error) {
	return client.Get104PointLastLimit(ctx, req, 1)
}

func (client *influxClient) Get104PointLastLimit(ctx context.Context, req *Request, limit int) ([]TV, error) {
	sql := fmt.Sprintf("select last(%s) as %s from %s where station='%s' and %s='%s' and %s='%s';",
		val104Key, val104Key, req.Table, req.Station, mainPos104Key, req.MainPos, subPos104Key, req.SubPos)
	if limit > 1 {
		sql = fmt.Sprintf("select %s from %s where station='%s' and and %s='%s' and %s='%s' and time>=%dms order by time desc limit %d;",
			val104Key, req.Table, req.Station, mainPos104Key, req.MainPos, subPos104Key, req.SubPos, req.Begin, limit)
	}

	reqData := url.Values{
		"db": {req.DB},
		"q":  {sql},
	}

	return client.getTVsResp(ctx, reqData, "csv")
}

func (client *influxClient) Get104PointDurationData(ctx context.Context, req *Request) ([]TV, error) {
	sql := fmt.Sprintf("select %s from %s where station='%s' and %s='%s' and %s='%s' and time>=%dms and time<=%dms;",
		val104Key, req.Table, req.Station, mainPos104Key, req.MainPos, subPos104Key, req.SubPos, req.Begin, req.End)

	if req.Operate != "" && req.Step != "" && req.Default != "" {
		sql = fmt.Sprintf("select %s(%s) as %s from %s where station='%s' and %s='%s' and %s='%s' and time>=%dms and time<=%dms group by time(%s) fill(%s);",
			req.Operate, req.SubPos, req.SubPos, req.Table, req.Station, mainPos104Key, req.MainPos, subPos104Key, req.SubPos, req.Begin, req.End, req.Step, req.Default)
	}

	reqData := url.Values{
		"db": {req.DB},
		"q":  {sql},
	}

	return client.getTVsResp(ctx, reqData, "csv")
}