package controllers

import (
	"strings"
	"time"

	"server/models"

	beego "github.com/beego/beego/v2/server/web"
	"github.com/beego/beego/v2/client/orm"
)

// =============================================================
// 平台官网 - 标签管理 /platform/website/tag/*
//           - 评论管理 /platform/website/comment/*
// 表：yz_platform_website_tag / yz_platform_website_comment
// =============================================================

type PlatformWebsiteTagController struct {
	beego.Controller
}

type platformWebsiteTagPayload struct {
	Name   *string `json:"name"`
	Sort   *int    `json:"sort"`
	Status *int8   `json:"status"`
}

// List GET /platform/website/tag/list — 分页
func (c *PlatformWebsiteTagController) List() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	page, pageSize := websitePaging(&c.Controller)
	qs := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
		Filter("delete_time__isnull", true)
	if kw := strings.TrimSpace(c.GetString("keyword")); kw != "" {
		qs = qs.Filter("name__icontains", kw)
	}
	if st := websiteStatusParam(&c.Controller); st >= 0 {
		qs = qs.Filter("status", st)
	}
	total, err := qs.Count()
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "获取失败: "+err.Error())
		return
	}
	var rows []models.PlatformWebsiteTag
	if _, err = qs.OrderBy("sort", "id").Limit(pageSize, (page-1)*pageSize).All(&rows); err != nil {
		jsonErr(&c.Controller, 500, 500, "获取失败: "+err.Error())
		return
	}
	websiteOK(&c.Controller, map[string]interface{}{"list": rows, "total": total})
}

// All GET /platform/website/tag/all — 全量返回，供文章编辑选择标签
func (c *PlatformWebsiteTagController) All() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	var rows []models.PlatformWebsiteTag
	if _, err := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
		Filter("delete_time__isnull", true).
		OrderBy("sort", "id").
		All(&rows); err != nil {
		jsonErr(&c.Controller, 500, 500, "获取失败: "+err.Error())
		return
	}
	websiteOK(&c.Controller, rows)
}

// Get GET /platform/website/tag/:id
func (c *PlatformWebsiteTagController) Get() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	var row models.PlatformWebsiteTag
	if err := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		One(&row); err != nil {
		jsonErr(&c.Controller, 404, 404, "标签不存在")
		return
	}
	websiteOK(&c.Controller, row)
}

// Create POST /platform/website/tag
func (c *PlatformWebsiteTagController) Create() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	var p platformWebsiteTagPayload
	if !websiteBind(&c.Controller, &p) {
		return
	}
	if p.Name == nil || strings.TrimSpace(*p.Name) == "" {
		jsonErr(&c.Controller, 400, 400, "标签名称不能为空")
		return
	}
	name := strings.TrimSpace(*p.Name)
	// 同名标签去重，避免前台聚合出现重复项
	exist, err := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
		Filter("name", name).
		Filter("delete_time__isnull", true).
		Count()
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "创建失败: "+err.Error())
		return
	}
	if exist > 0 {
		jsonErr(&c.Controller, 400, 400, "标签名称已存在")
		return
	}

	row := models.PlatformWebsiteTag{Name: name, Status: 1}
	if p.Sort != nil {
		row.Sort = *p.Sort
	}
	if p.Status != nil {
		row.Status = *p.Status
	}
	id, err := models.Orm.Insert(&row)
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "创建失败: "+err.Error())
		return
	}
	websiteOK(&c.Controller, map[string]interface{}{"id": id})
}

// Update POST /platform/website/tag/:id
func (c *PlatformWebsiteTagController) Update() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	var p platformWebsiteTagPayload
	if !websiteBind(&c.Controller, &p) {
		return
	}
	up := map[string]interface{}{}
	if p.Name != nil {
		name := strings.TrimSpace(*p.Name)
		if name == "" {
			jsonErr(&c.Controller, 400, 400, "标签名称不能为空")
			return
		}
		dup, err := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
			Filter("name", name).
			Filter("delete_time__isnull", true).
			Exclude("id", id).
			Count()
		if err != nil {
			jsonErr(&c.Controller, 500, 500, "更新失败: "+err.Error())
			return
		}
		if dup > 0 {
			jsonErr(&c.Controller, 400, 400, "标签名称已存在")
			return
		}
		up["name"] = name
	}
	if p.Sort != nil {
		up["sort"] = *p.Sort
	}
	if p.Status != nil {
		up["status"] = *p.Status
	}
	if len(up) == 0 {
		jsonErr(&c.Controller, 400, 400, "无更新字段")
		return
	}
	up["update_time"] = time.Now()

	n, err := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		Update(up)
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "更新失败: "+err.Error())
		return
	}
	if n == 0 {
		jsonErr(&c.Controller, 404, 404, "标签不存在")
		return
	}
	websiteOK(&c.Controller, nil)
}

// UpdateStatus PATCH /platform/website/tag/:id/status — body { status }
func (c *PlatformWebsiteTagController) UpdateStatus() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	var p struct {
		Status *int8 `json:"status"`
	}
	if !websiteBind(&c.Controller, &p) || p.Status == nil {
		jsonErr(&c.Controller, 400, 400, "状态参数错误")
		return
	}
	n, err := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		Update(map[string]interface{}{"status": *p.Status, "update_time": time.Now()})
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "更新失败: "+err.Error())
		return
	}
	if n == 0 {
		jsonErr(&c.Controller, 404, 404, "标签不存在")
		return
	}
	websiteOK(&c.Controller, nil)
}

// Delete DELETE /platform/website/tag/:id
func (c *PlatformWebsiteTagController) Delete() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	now := time.Now()
	n, err := models.Orm.QueryTable(new(models.PlatformWebsiteTag)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		Update(map[string]interface{}{"delete_time": now, "update_time": now})
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "删除失败: "+err.Error())
		return
	}
	if n == 0 {
		jsonErr(&c.Controller, 404, 404, "标签不存在")
		return
	}
	// 同步清理文章关联，避免前台聚合到已删除标签
	_, _ = models.Orm.QueryTable(new(models.PlatformWebsiteArticleTag)).
		Filter("tag_id", id).
		Delete()
	websiteOK(&c.Controller, nil)
}

// =============================================================
// 评论管理
// =============================================================

type PlatformWebsiteCommentController struct {
	beego.Controller
}

// List GET /platform/website/comment/list
// query: keyword(内容/昵称)、status、article_id、page、pageSize
func (c *PlatformWebsiteCommentController) List() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	page, pageSize := websitePaging(&c.Controller)

	cond := orm.NewCondition().And("delete_time__isnull", true)
	if kw := strings.TrimSpace(c.GetString("keyword")); kw != "" {
		cond = cond.AndCond(orm.NewCondition().
			Or("content__icontains", kw).
			Or("nickname__icontains", kw))
	}
	if st := websiteStatusParam(&c.Controller); st >= 0 {
		cond = cond.And("status", st)
	}
	if articleID, err := c.GetInt64("article_id"); err == nil && articleID > 0 {
		cond = cond.And("article_id", articleID)
	}

	qs := models.Orm.QueryTable(new(models.PlatformWebsiteComment)).SetCond(cond)
	total, err := qs.Count()
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "获取失败: "+err.Error())
		return
	}
	var rows []models.PlatformWebsiteComment
	if _, err = qs.OrderBy("-id").Limit(pageSize, (page-1)*pageSize).All(&rows); err != nil {
		jsonErr(&c.Controller, 500, 500, "获取失败: "+err.Error())
		return
	}

	articleIDs := make([]uint64, 0, len(rows))
	for _, r := range rows {
		if r.ArticleID > 0 {
			articleIDs = append(articleIDs, r.ArticleID)
		}
	}
	titleMap := models.PlatformWebsiteArticleTitleMap(articleIDs)

	list := make([]map[string]interface{}, 0, len(rows))
	for _, r := range rows {
		list = append(list, map[string]interface{}{
			"id":            r.ID,
			"article_id":    r.ArticleID,
			"article_title": titleMap[r.ArticleID],
			"nickname":      r.Nickname,
			"email":         r.Email,
			"content":       r.Content,
			"reply":         r.Reply,
			"status":        r.Status,
			"ip":            r.IP,
			"create_time":   r.CreateTime,
			"update_time":   r.UpdateTime,
		})
	}

	websiteOK(&c.Controller, map[string]interface{}{"list": list, "total": total})
}

// Get GET /platform/website/comment/:id
func (c *PlatformWebsiteCommentController) Get() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	var row models.PlatformWebsiteComment
	if err := models.Orm.QueryTable(new(models.PlatformWebsiteComment)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		One(&row); err != nil {
		jsonErr(&c.Controller, 404, 404, "评论不存在")
		return
	}
	websiteOK(&c.Controller, row)
}

// Audit POST /platform/website/comment/:id/audit — body { status: 1 通过 / 2 拒绝 }
func (c *PlatformWebsiteCommentController) Audit() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	var p struct {
		Status *int8 `json:"status"`
	}
	if !websiteBind(&c.Controller, &p) || p.Status == nil {
		jsonErr(&c.Controller, 400, 400, "状态参数错误")
		return
	}
	if *p.Status != 1 && *p.Status != 2 {
		jsonErr(&c.Controller, 400, 400, "仅支持通过(1)或拒绝(2)")
		return
	}
	n, err := models.Orm.QueryTable(new(models.PlatformWebsiteComment)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		Update(map[string]interface{}{"status": *p.Status, "update_time": time.Now()})
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "审核失败: "+err.Error())
		return
	}
	if n == 0 {
		jsonErr(&c.Controller, 404, 404, "评论不存在")
		return
	}
	websiteOK(&c.Controller, nil)
}

// Reply POST /platform/website/comment/:id/reply — body { reply }
func (c *PlatformWebsiteCommentController) Reply() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	var p struct {
		Reply *string `json:"reply"`
	}
	if !websiteBind(&c.Controller, &p) || p.Reply == nil || strings.TrimSpace(*p.Reply) == "" {
		jsonErr(&c.Controller, 400, 400, "回复内容不能为空")
		return
	}
	n, err := models.Orm.QueryTable(new(models.PlatformWebsiteComment)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		Update(map[string]interface{}{
			"reply":       strings.TrimSpace(*p.Reply),
			"update_time": time.Now(),
		})
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "回复失败: "+err.Error())
		return
	}
	if n == 0 {
		jsonErr(&c.Controller, 404, 404, "评论不存在")
		return
	}
	websiteOK(&c.Controller, nil)
}

// Delete DELETE /platform/website/comment/:id
func (c *PlatformWebsiteCommentController) Delete() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	id, ok := websiteID(&c.Controller)
	if !ok {
		return
	}
	now := time.Now()
	n, err := models.Orm.QueryTable(new(models.PlatformWebsiteComment)).
		Filter("id", id).
		Filter("delete_time__isnull", true).
		Update(map[string]interface{}{"delete_time": now, "update_time": now})
	if err != nil {
		jsonErr(&c.Controller, 500, 500, "删除失败: "+err.Error())
		return
	}
	if n == 0 {
		jsonErr(&c.Controller, 404, 404, "评论不存在")
		return
	}
	websiteOK(&c.Controller, nil)
}

// BatchDelete POST /platform/website/comment/batchdelete — body { ids: [] }
func (c *PlatformWebsiteCommentController) BatchDelete() {
	if _, ok := websiteAuth(&c.Controller); !ok {
		return
	}
	var raw struct {
		IDs []uint64 `json:"ids"`
	}
	if !websiteBind(&c.Controller, &raw) || len(raw.IDs) == 0 {
		jsonErr(&c.Controller, 400, 400, "请选择要删除的评论")
		return
	}
	now := time.Now()
	if _, err := models.Orm.QueryTable(new(models.PlatformWebsiteComment)).
		Filter("id__in", raw.IDs).
		Filter("delete_time__isnull", true).
		Update(map[string]interface{}{"delete_time": now, "update_time": now}); err != nil {
		jsonErr(&c.Controller, 500, 500, "删除失败: "+err.Error())
		return
	}
	websiteOK(&c.Controller, nil)
}