package handler

import (
	"encoding/json"

	"github.com/gin-gonic/gin"

	"nl-game-api-gin/internal/database"
	"nl-game-api-gin/internal/model"
	"nl-game-api-gin/internal/service"
	"nl-game-api-gin/pkg/resp"
)

// SiteConfigPublic 公开的站点配置：站点名、公告、当前主题（含 CSS 变量），无需登录
func SiteConfigPublic(c *gin.Context) {
	// 读取当前启用的主题（后台可切换）
	activeCode := service.GetConfig(model.ConfKeyActiveTheme, "arcade")
	var theme model.Theme
	if err := database.DB.Where("code = ? AND status = 1", activeCode).First(&theme).Error; err != nil {
		// 配置的主题不存在时回退到第一个可用主题
		database.DB.Where("status = 1").Order("sort").First(&theme)
	}
	// 把 CSS 变量 JSON 解析成对象，前端直接注入 :root
	vars := map[string]string{}
	json.Unmarshal([]byte(theme.CSSVars), &vars)
	resp.OK(c, gin.H{
		"site_name":    service.GetConfig(model.ConfKeySiteName, "像素游戏厅"),
		"announcement": service.GetConfig(model.ConfKeyAnnouncement, ""),
		// 大厅轮播配置：效果样式 + 自动播放间隔（参与轮播的游戏由 games.carousel 决定）
		"carousel_style":    service.GetConfig(model.ConfKeyCarouselStyle, "slide"),
		"carousel_interval": service.GetConfigInt(model.ConfKeyCarouselInterval, 5),
		"theme": gin.H{
			"code":     theme.Code,
			"name":     theme.Name,
			"css_vars": vars,
		},
	})
}