package handler

import (
	"github.com/gin-gonic/gin"

	"github.com/sundynix/pets-be/internal/middleware"
	"github.com/sundynix/pets-be/internal/model"
	appjwt "github.com/sundynix/pets-be/pkg/jwt"
	"github.com/sundynix/pets-be/pkg/response"
)

type adminLoginReq struct {
	Username string `json:"username"`
	Password string `json:"password"`
}

// AdminLogin POST /api/admin/login
func (h *Handler) AdminLogin(c *gin.Context) {
	var req adminLoginReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.FailParams(c, err.Error())
		return
	}
	admin, err := h.svc.AdminLogin(req.Username, req.Password)
	if err != nil {
		response.Fail(c, 40100, "账号或密码错误")
		return
	}
	token, err := h.jwt.Generate(admin.ID, appjwt.KindAdmin, admin.Username, admin.Role)
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, gin.H{"token": token, "admin": admin})
}

// AdminMe GET /api/admin/me
func (h *Handler) AdminMe(c *gin.Context) {
	admin, err := h.svc.GetAdmin(middleware.AdminID(c))
	if err != nil {
		respondErr(c, err)
		return
	}
	response.OK(c, admin)
}

// AdminStats GET /api/admin/stats
func (h *Handler) AdminStats(c *gin.Context) {
	stats, err := h.svc.Stats()
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, stats)
}

type adminListReq struct {
	response.PageQuery
	Keyword string `form:"keyword"`
	Status  string `form:"status"`
}

// AdminListUsers GET /api/admin/users
func (h *Handler) AdminListUsers(c *gin.Context) {
	var req adminListReq
	_ = c.ShouldBindQuery(&req)
	req.Normalize()
	users, total, err := h.svc.ListUsers(req.Keyword, req.Offset(), req.Limit())
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, response.NewPage(users, total, req.PageQuery))
}

type disableReq struct {
	Disabled bool `json:"disabled"`
}

// AdminSetUserDisabled PUT /api/admin/users/:id/disabled
func (h *Handler) AdminSetUserDisabled(c *gin.Context) {
	var req disableReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.FailParams(c, err.Error())
		return
	}
	if err := h.svc.SetUserDisabled(uintParam(c, "id"), req.Disabled); err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, gin.H{"ok": true})
}

// AdminListPets GET /api/admin/pets
func (h *Handler) AdminListPets(c *gin.Context) {
	var req adminListReq
	_ = c.ShouldBindQuery(&req)
	req.Normalize()
	pets, total, err := h.svc.ListPetsAdmin(req.Offset(), req.Limit())
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, response.NewPage(pets, total, req.PageQuery))
}

// AdminListPosts GET /api/admin/posts
func (h *Handler) AdminListPosts(c *gin.Context) {
	var req adminListReq
	_ = c.ShouldBindQuery(&req)
	req.Normalize()
	posts, total, err := h.svc.ListPostsAdmin(req.Status, req.Offset(), req.Limit())
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, response.NewPage(posts, total, req.PageQuery))
}

type postStatusReq struct {
	Status string `json:"status"`
}

// AdminSetPostStatus PUT /api/admin/posts/:id/status
func (h *Handler) AdminSetPostStatus(c *gin.Context) {
	var req postStatusReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.FailParams(c, err.Error())
		return
	}
	if err := h.svc.SetPostStatus(uintParam(c, "id"), req.Status); err != nil {
		respondErr(c, err)
		return
	}
	response.OK(c, gin.H{"ok": true})
}

// AdminListComments GET /api/admin/comments
func (h *Handler) AdminListComments(c *gin.Context) {
	var req adminListReq
	_ = c.ShouldBindQuery(&req)
	req.Normalize()
	comments, total, err := h.svc.ListCommentsAdmin(req.Offset(), req.Limit())
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, response.NewPage(comments, total, req.PageQuery))
}

// AdminDeleteComment DELETE /api/admin/comments/:id
func (h *Handler) AdminDeleteComment(c *gin.Context) {
	if err := h.svc.DeleteCommentAdmin(uintParam(c, "id")); err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, gin.H{"ok": true})
}

// AdminListArticles GET /api/admin/articles
func (h *Handler) AdminListArticles(c *gin.Context) {
	var req adminListReq
	_ = c.ShouldBindQuery(&req)
	req.Normalize()
	articles, total, err := h.svc.ListArticlesAdmin(req.Offset(), req.Limit())
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, response.NewPage(articles, total, req.PageQuery))
}

type articleReq struct {
	ID               uint   `json:"id"`
	Icon             string `json:"icon"`
	Title            string `json:"title"`
	Description      string `json:"description"`
	Content          string `json:"content"`
	Category         string `json:"category"`
	RelatedSheetType string `json:"related_sheet_type"`
	Published        bool   `json:"published"`
}

// AdminSaveArticle POST /api/admin/articles（id>0 为更新）
func (h *Handler) AdminSaveArticle(c *gin.Context) {
	var req articleReq
	if err := c.ShouldBindJSON(&req); err != nil {
		response.FailParams(c, err.Error())
		return
	}
	article := &model.Article{
		Icon: req.Icon, Title: req.Title, Description: req.Description, Content: req.Content,
		Category: req.Category, RelatedSheetType: req.RelatedSheetType, Published: req.Published,
	}
	article.ID = req.ID
	if err := h.svc.SaveArticle(article); err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, article)
}

// AdminDeleteArticle DELETE /api/admin/articles/:id
func (h *Handler) AdminDeleteArticle(c *gin.Context) {
	if err := h.svc.DeleteArticle(uintParam(c, "id")); err != nil {
		respondErr(c, err)
		return
	}
	response.OK(c, gin.H{"ok": true})
}

// AdminListPro GET /api/admin/memberships
func (h *Handler) AdminListPro(c *gin.Context) {
	var req adminListReq
	_ = c.ShouldBindQuery(&req)
	req.Normalize()
	list, total, err := h.svc.ListProAdmin(req.Offset(), req.Limit())
	if err != nil {
		response.FailErr(c, err)
		return
	}
	response.OK(c, response.NewPage(list, total, req.PageQuery))
}