package themes // Declare the package at the top

import (
	"fmt"
	config "go_blog/config" // Adjust import path as needed
	"net/http"

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

// RenderTemplate renders a template based on the current theme
func RenderTemplate(c *gin.Context, tmpl string, data gin.H) {
	// Get the current theme
	theme := config.GetCurrentTheme()

	// Construct the template path: "themes/default/home.html"
	tplPath := fmt.Sprintf("themes/%s/%s", theme, tmpl)

	// Render the template using html/template
	c.HTML(http.StatusOK, tplPath, data)
}

// SwitchTheme handles POST requests to switch the current theme
// SwitchTheme 处理主题切换请求（修正后）
func SwitchTheme(c *gin.Context) {
	// 从上下文中获取主题管理器（通过 main.go 的 themeMiddleware 注入）
	tm, exists := c.Get("ThemeManager")
	if !exists {
		c.JSON(http.StatusInternalServerError, gin.H{"error": "主题管理器未找到"})
		return
	}
	themeManager, ok := tm.(*ThemeManager)
	if !ok {
		c.JSON(http.StatusInternalServerError, gin.H{"error": "主题管理器类型错误"})
		return
	}

	newTheme := c.PostForm("theme")
	if err := themeManager.LoadTheme(newTheme); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": "加载主题失败: " + err.Error()})
		return
	}
	config.SetCurrentTheme(newTheme) // 持久化主题配置（需确保 config 包支持）
	c.JSON(http.StatusOK, gin.H{"status": "主题切换成功"})
}