package handler

import (
	"net/http"
	"server/internal/model/common"
	"server/internal/model/request"
	"server/internal/pkg/httputil"
	"server/internal/service"
)

type SysPostHandler struct {
	sysPostService *service.SysPostService
}

func NewSysPostHandler(postService *service.SysPostService) *SysPostHandler {
	return &SysPostHandler{sysPostService: postService}
}

func (h *SysPostHandler) ListPage(w http.ResponseWriter, r *http.Request) {
	pagination := httputil.Pagination(r)

	list, total, err := h.sysPostService.ListPage(r.Context(), pagination)
	if err != nil {
		httputil.Fail(w, err)
	}

	resp := common.PageResponse{
		Page:     pagination.Page,
		PageSize: pagination.PageSize,
		List:     list,
		Total:    total,
	}

	httputil.OkWithPage(w, &resp)
}

func (h *SysPostHandler) GetPostById(w http.ResponseWriter, r *http.Request) {
	id, err := httputil.URLParamInt32(r, "id")
	if err != nil {
		httputil.Fail(w, err)
		return
	}

	post, err := h.sysPostService.FindByID(r.Context(), id)
	if err != nil {
		httputil.Fail(w, err)
		return
	}

	httputil.Ok(w, post)
}

func (h *SysPostHandler) Create(w http.ResponseWriter, r *http.Request) {
	var req request.CreatePostRequest

	if err := httputil.BindJson(r, &req); err != nil {
		httputil.Fail(w, err)
		return
	}

	postID, err := h.sysPostService.Create(r.Context(), req)

	if err != nil {
		httputil.Fail(w, err)
		return
	}

	httputil.Ok(w, map[string]int32{
		"post_id": postID,
	})
}

func (h *SysPostHandler) Update(w http.ResponseWriter, r *http.Request) {
	id, err := httputil.URLParamInt32(r, "id")
	if err != nil {
		httputil.Fail(w, err)
		return
	}

	var req request.UpdatePostRequest

	if err = httputil.BindJson(r, &req); err != nil {
		httputil.Fail(w, err)
		return
	}

	if err = h.sysPostService.Update(r.Context(), id, req); err != nil {
		httputil.Fail(w, err)
		return
	}

	httputil.Ok(w)
}

func (h *SysPostHandler) Delete(w http.ResponseWriter, r *http.Request) {
	id, err := httputil.URLParamInt32(r, "id")
	if err != nil {
		httputil.Fail(w, err)
		return
	}

	if err = h.sysPostService.Delete(r.Context(), id); err != nil {
		httputil.Fail(w, err)
		return
	}

	httputil.Ok(w)
}