package controllers

import (
	"go_blog/models"
	"go_blog/utils"
	"net/http"
	"strconv"

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

// CreateContentHandler 创建内容
func CreateContentHandler(ctx *gin.Context) {
	var content models.Content
	if err := ctx.ShouldBindJSON(&content); err != nil {
		ctx.JSON(400, gin.H{"error": err.Error()})
		return
	}

	if err := models.DB.Create(&content).Error; err != nil {
		ctx.JSON(500, gin.H{"error": "增加内容失败"})
		return
	}

	ctx.JSON(201, content)
}

// PageList 分页文章列表
func PageList(c *gin.Context) {
	themeManager, ok := getThemeManager(c)
	if !ok {
		c.String(http.StatusInternalServerError, "Theme manager not found")
		return
	}

	db, ok := getDB(c)
	if !ok {
		c.String(http.StatusInternalServerError, "DB not found")
		return
	}

	var items []models.Content
	var pager utils.Pager
	pager.InitPager(c)
	offset := (pager.Page - 1) * pager.PageSize

	db.Select("*").Offset(offset).Limit(pager.PageSize).Find(&items, "type = ?", "post")
	var totalCount int64
	db.Model(&models.Content{}).Where("type = ?", "post").Count(&totalCount)
	pager.Total = int(totalCount)

	tpl := themeManager.GetTemplate("index")
	if tpl == nil {
		c.String(http.StatusInternalServerError, "Template 'index' not found")
		return
	}

	c.Header("Content-Type", "text/html; charset=utf-8")
	tpl.Execute(c.Writer, gin.H{
		"Items": items,
		"Pager": pager,
		"Title": "文章列表 - 第 " + strconv.Itoa(pager.Page) + " 页",
	})
}

// CreateContentPage 创建内容页面
func CreateContentPage(c *gin.Context) {
	themeManager, ok := getThemeManager(c)
	if !ok {
		c.String(http.StatusInternalServerError, "Theme manager not found")
		return
	}

	tpl := themeManager.GetTemplate("content")
	if tpl == nil {
		c.String(http.StatusInternalServerError, "Template 'content' not found")
		return
	}

	c.Header("Content-Type", "text/html; charset=utf-8")
	tpl.Execute(c.Writer, gin.H{
		"Title": "创建新内容",
	})
}