package provider

import (
	"context"
	"joybuywork/internal/repository/cache"
	"joybuywork/internal/repository/model"
	"joybuywork/internal/repository/mtype"
	"joybuywork/internal/utils/logic"
	"joybuywork/internal/utils/merr"
	"gorm.io/gen"
)

type LangTitle struct {
	logic.Context

	cpn      *model.FissionCampaign
	userLang string

	lang *model.FissionCampaignLang
}

// NewLangTitle 奖品发放验证
func NewLangTitle(ctx context.Context, cpn *model.FissionCampaign, userLang string) (*LangTitle, error) {
	lang := &LangTitle{
		cpn:      cpn,
		userLang: userLang,
	}

	lang.BaseInit(ctx, merr.NewBE(ctx))

	err := lang.setLang()
	if err != nil {
		return nil, err
	}

	return lang, nil
}

// GetCondTitle 获取任务名称文案
func (s *LangTitle) GetCondTitle(condIds ...int64) (data map[int64]string, err error) {
	data = make(map[int64]string)
	l := len(condIds)

	if s.lang != nil {
		var idMap = make(map[int64]struct{}, l)
		for _, id := range condIds {
			idMap[id] = struct{}{}
		}

		for _, cond := range s.lang.GetConds() {
			if _, ok := idMap[cond.CondId]; !ok && l > 0 {
				continue
			}
			data[cond.CondId] = cond.Desc
		}

		return
	}

	m := s.GetDao().FissionCampaignCond
	var conds []gen.Condition
	if l > 0 {
		conds = append(conds, m.ID.In(condIds...))
	} else {
		conds = append(conds, m.CampaignID.Eq(s.cpn.ID), m.WithContext(s.Ctx).
			Or(m.IsDel.Eq(mtype.No)).
			Or(m.IsDel.Eq(mtype.Yes), m.DelUse.Eq(mtype.Yes)))
	}

	list, err := m.WithContext(s.Ctx).Where(conds...).Find()
	if err != nil {
		err = s.BE().MysqlError(err)
		return
	}
	for _, cond := range list {
		data[cond.ID] = cond.Desc
	}

	return
}

// GetPageTitle 获取页面标题
func (s *LangTitle) GetPageTitle() (string, error) {
	if s.lang != nil {
		return s.lang.PageTitle, nil
	}

	style, err := cache.NewCampaignStyle(s.Ctx).FindByCampaignId(s.cpn.ID)
	if err != nil {
		return "", s.BE().CacheError(err)
	}

	if style != nil {
		return style.PageTitle, nil
	}

	oldConf, err := cache.NewCampaignConfig(s.Ctx).FindByCampaignId(s.cpn.ID)
	if err != nil {
		return "", s.BE().CacheError(err)
	}

	if oldConf != nil {
		return oldConf.PageTitle, nil
	}

	return "", s.BE().VerifyError("not found data")
}

func (s *LangTitle) setLang() (err error) {
	if s.userLang == s.cpn.GetLangMarks()[0] {
		return
	}

	s.lang, err = cache.NewCampaignLang(s.Ctx).FindByCampaignId(s.cpn.ID, s.userLang)
	if err != nil {
		err = s.BE().CacheError(err)
		return
	}

	return
}