package rest

import (
	"go_redis_learn2/domain"
	response "go_redis_learn2/pkg"
	"go_redis_learn2/service"
	"strconv"

	"github.com/gin-gonic/gin"
)

type IPostController interface {
	CreatePost(c *gin.Context)
	DeletePost(c *gin.Context)
	UpdatePost(c *gin.Context)
	SearchPost(c *gin.Context)
}

type PostHandler struct {
	srv *service.PostService
}

var _ IPostController = (*PostHandler)(nil)

func NewPostHandler(srv *service.PostService) *PostHandler {
	return &PostHandler{
		srv: srv,
	}
}
func (p *PostHandler) CreatePost(c *gin.Context) {
	var post domain.Post
	if c.ShouldBindJSON(&post) != nil {
		response.FailWithMessage("参数错误", c)
		return
	}
	err := p.srv.CreatePost(post)
	if err != nil {
		response.FailWithMessage("创建文章失败", c)
		return
	}
	response.OkWithMessage("创建文章成功", c)
}

func (p *PostHandler) DeletePost(c *gin.Context) {
	id := c.Param("id")
	if id == "" {
		response.FailWithMessage("id为空", c)
		return
	}
	idVal, _ := strconv.Atoi(id)
	err := p.srv.DeletePost(uint(idVal))
	if err != nil {
		response.FailWithMessage("删除文章失败", c)
		return
	}
	response.OkWithMessage("删除文章成功", c)
}

func (p *PostHandler) UpdatePost(c *gin.Context) {
	var post domain.Post
	if c.ShouldBindJSON(&post) != nil {
		response.FailWithMessage("绑定post失败", c)
		return
	}
	err := p.srv.UpdatePost(post)
	if err != nil {
		response.FailWithMessage("更新文章失败", c)
		return
	}
	response.OkWithMessage("更新文章成功", c)
}

func (p *PostHandler) SearchPost(c *gin.Context) {
	posts, err := p.srv.GetAllPosts()
	if err != nil {
		response.FailWithMessage("文章获取失败", c)
		return
	}
	response.OkWithData(posts, c)
}