package controllers

import (
	"go_blog/models"
	"go_blog/themes" // <-- 确保导入 themes 包
	"net/http"

	"github.com/gin-gonic/gin"
	"gorm.io/gorm" // <-- 确保导入 gorm
)

func Home(c *gin.Context) {
	tm, exists := c.Get("ThemeManager")
	if !exists {
		c.String(http.StatusInternalServerError, "Theme manager not found in context")
		return
	}
	themeManager, ok := tm.(*themes.ThemeManager)
	if !ok {
		c.String(http.StatusInternalServerError, "Invalid theme manager type in context")
		return
	}

	var items []models.Content
	// 从 Gin 上下文中获取 DB 实例
	dbInterface, exists := c.Get("DB")
	if !exists {
		c.String(http.StatusInternalServerError, "DB not found in context")
		return
	}
	db, ok := dbInterface.(*gorm.DB)
	if !ok {
		c.String(http.StatusInternalServerError, "Invalid DB type in context")
		return
	}

	db.Select("*").Limit(5).Find(&items, "type = ?", "post")

	tpl := themeManager.GetTemplate("index") // "index" 是模板的基本名 (例如 index.tmpl -> index)
	if tpl == nil {
		c.String(http.StatusInternalServerError, "Template 'index' not found in current theme: "+themeManager.CurrentTheme())
		return
	}

	c.Status(http.StatusOK)
	c.Header("Content-Type", "text/html; charset=utf-8")
	err := tpl.Execute(c.Writer, gin.H{
		"Items": items,
		"Title": "首页", // 你可以根据需要传递更多数据
	})
	if err != nil {
		// 实际项目中应记录错误
		c.String(http.StatusInternalServerError, "Error rendering template: "+err.Error())
	}
}