package iot

import (
	"context"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/dao"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/contexts"
	"git.5iot.com/iotlcm-public/iotlcm-admin-svr/internal/library/xgorm/handler"
	"github.com/gogf/gf/v2/errors/gerror"
	"github.com/gogf/gf/v2/frame/g"
	"strings"
)

type legacyDiagnoseCard struct {
	ICCID      string `orm:"iccid"`
	IMSI       string `orm:"imsi"`
	MSISDN     string `orm:"msisdn"`
	ChannelKey string `orm:"channel_id"`
}

func queryLegacyDiagnoseCard(ctx context.Context, code string) (*legacyDiagnoseCard, error) {
	code = strings.TrimSpace(code)
	if code == "" {
		return nil, nil
	}
	if strings.TrimSpace(g.Cfg().MustGet(ctx, "database.legacyCard.link").String()) == "" {
		return nil, gerror.New("旧平台只读数据库未配置")
	}
	var cards []*legacyDiagnoseCard
	err := g.DB("legacyCard").Model("yz_card_info c").Ctx(ctx).
		InnerJoin("yz_card_route r", "r.cd_id = c.channel_id").
		Fields("c.iccid,c.imsi,c.msisdn,r.cd_id AS channel_id").
		Where("c.iccid = ? OR c.msisdn = ? OR c.imsi = ?", code, code, code).
		Limit(2).Scan(&cards)
	if err != nil {
		return nil, gerror.New("旧平台卡信息查询失败，请稍后重试")
	}
	if len(cards) > 1 {
		return nil, gerror.New("卡号对应多张卡，无法确定通道")
	}
	if len(cards) == 0 || strings.TrimSpace(cards[0].ChannelKey) == "" {
		return nil, nil
	}
	return cards[0], nil
}

func resolveLegacyDiagnoseCardInfo(ctx context.Context, code string) (*tSimDiagnoseCardInfo, error) {
	if contexts.GetUserId(ctx) <= 0 || strings.TrimSpace(contexts.GetTenantId(ctx)) == "" {
		return nil, gerror.New("请先登录")
	}
	columns := dao.TSimCardInfo.Columns()
	count, err := dao.TSimCardInfo.Ctx(ctx).Where(columns.TenantId, contexts.GetTenantId(ctx)).
		Where("("+columns.Iccid+" = ? OR "+columns.Msisdn+" = ? OR "+columns.Imsi+" = ?)", code, code, code).Count()
	if err != nil {
		return nil, gerror.Wrap(err, "检查卡片访问范围失败")
	}
	if count > 0 {
		return nil, gerror.New("卡片不存在或无权诊断")
	}
	card, err := queryLegacyDiagnoseCard(ctx, code)
	if err != nil || card == nil {
		return nil, err
	}
	channelColumns := dao.TSimChannels.Columns()
	var channel *struct {
		ChanKey    string `orm:"chan_key"`
		TempKey    string `orm:"temp_key"`
		ChanStatus int    `orm:"chan_status"`
	}
	err = handler.Model(dao.TSimChannels.Ctx(ctx).Fields(channelColumns.ChanKey, channelColumns.TempKey, channelColumns.ChanStatus, channelColumns.CreatedBy, channelColumns.CreatedDept)).
		Where(channelColumns.TenantId, contexts.GetTenantId(ctx)).
		Where(channelColumns.ChanKey, card.ChannelKey).Limit(1).Scan(&channel)
	if err != nil {
		return nil, gerror.Wrap(err, "查询诊断通道失败")
	}
	if channel == nil || channel.ChanKey == "" || channel.TempKey == "" {
		return nil, gerror.New("旧平台卡片已找到，但当前账号无可用的对应通道")
	}
	if channel.ChanStatus != 0 {
		return nil, gerror.New("卡对应的上游通道已停用")
	}
	return &tSimDiagnoseCardInfo{Iccid: card.ICCID, Imsi: card.IMSI, Msisdn: card.MSISDN, ChanKey: channel.ChanKey, TempKey: channel.TempKey}, nil
}