package daytask

import (
	"app/commons/model/entity"
	"app/commons/services"
	"github.com/gin-gonic/gin"
)

// HelpCategories 帮助分类列表
func (s *Server) HelpCategories(c *gin.Context) {
	ctx := s.FromContext(c)
	db := s.DB()

	var categories []entity.DtHelpCategory
	db.Where("status = ?", 1).
		Order("sort ASC, id ASC").
		Find(&categories)

	ctx.OK(gin.H{
		"list": categories,
	})
}

// HelpList 帮助文章列表
func (s *Server) HelpList(c *gin.Context) {
	ctx := s.FromContext(c)
	db := s.DB()

	categoryId := ctx.QueryInt64("categoryId", 0)
	keyword := ctx.QueryString("keyword", "")

	paging := &services.Pagination{
		Current: ctx.QueryInt64("current", 1),
		Size:    ctx.QueryInt64("size", 20),
	}

	query := db.Model(&entity.DtHelp{}).Where("status = ?", 1)

	if categoryId > 0 {
		query = query.Where("category_id = ?", categoryId)
	}

	if keyword != "" {
		query = query.Where("title LIKE ? OR content LIKE ?", "%"+keyword+"%", "%"+keyword+"%")
	}

	query.Count(&paging.Total)
	paging.Computer()

	type HelpInfo struct {
		Id         int64  `json:"id"`
		CategoryId int64  `json:"categoryId"`
		Title      string `json:"title"`
		ViewCount  int    `json:"viewCount"`
		CreatedAt  int64  `json:"createdAt"`
	}

	helps := make([]*HelpInfo, 0)
	query.Select("id, category_id, title, view_count, created_at").
		Order("sort ASC, id DESC").
		Offset(int(paging.Start)).
		Limit(int(paging.Size)).
		Scan(&helps)

	ctx.OK(gin.H{
		"list":   helps,
		"paging": paging,
	})
}

// HelpDetail 帮助文章详情
func (s *Server) HelpDetail(c *gin.Context) {
	ctx := s.FromContext(c)
	db := s.DB()

	type Req struct {
		Id int64 `json:"id" form:"id" binding:"required"`
	}
	var req Req
	if err := c.ShouldBind(&req); err != nil {
		ctx.Fail("invalid_params")
		return
	}

	var help entity.DtHelp
	if err := db.Where("id = ? AND status = ?", req.Id, 1).First(&help).Error; err != nil {
		ctx.Fail("help_not_found")
		return
	}

	// 更新浏览次数
	db.Model(&entity.DtHelp{}).Where("id = ?", req.Id).
		Update("view_count", help.ViewCount+1)

	ctx.OK(gin.H{
		"id":         help.Id,
		"categoryId": help.CategoryId,
		"title":      help.Title,
		"content":    help.Content,
		"viewCount":  help.ViewCount + 1,
		"createdAt":  help.CreatedAt,
	})
}

// HelpSearch 帮助搜索
func (s *Server) HelpSearch(c *gin.Context) {
	ctx := s.FromContext(c)
	db := s.DB()

	keyword := ctx.QueryString("keyword", "")
	if keyword == "" {
		ctx.Fail("keyword_required")
		return
	}

	paging := &services.Pagination{
		Current: ctx.QueryInt64("current", 1),
		Size:    ctx.QueryInt64("size", 20),
	}

	query := db.Model(&entity.DtHelp{}).
		Where("status = ?", 1).
		Where("title LIKE ? OR content LIKE ?", "%"+keyword+"%", "%"+keyword+"%")

	query.Count(&paging.Total)
	paging.Computer()

	type HelpInfo struct {
		Id         int64  `json:"id"`
		CategoryId int64  `json:"categoryId"`
		Title      string `json:"title"`
		ViewCount  int    `json:"viewCount"`
		CreatedAt  int64  `json:"createdAt"`
	}

	helps := make([]*HelpInfo, 0)
	query.Select("id, category_id, title, view_count, created_at").
		Order("view_count DESC, id DESC").
		Offset(int(paging.Start)).
		Limit(int(paging.Size)).
		Scan(&helps)

	ctx.OK(gin.H{
		"list":   helps,
		"paging": paging,
	})
}