mce/internal/controller/admin/site_setting_controller.go

package admin

import (
	"net/http"
	"strconv"

	"metazone.cc/mce/internal/common"
	"metazone.cc/mce/internal/service"
	"metazone.cc/mce/internal/theme"

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

// SiteSettingController 站点设置控制器（仅 owner 可访问）
type SiteSettingController struct {
	settingService siteSettingUseCase
	defaults       *service.AuditDefaults
	themeReload    service.ThemeReloader // 主题重载回调（切换后实时生效）
}

// NewSiteSettingController 构造函数
func NewSiteSettingController(settingService siteSettingUseCase, defaults *service.AuditDefaults) *SiteSettingController {
	return &SiteSettingController{settingService: settingService, defaults: defaults}
}

// SetThemeReloader 注入主题重载回调（main.go 中设置）
func (sc *SiteSettingController) SetThemeReloader(reload service.ThemeReloader) {
	sc.themeReload = reload
}

// SiteSettingsPage 旧站点设置页 — 301 重定向到品牌页
func (sc *SiteSettingController) SiteSettingsPage(c *gin.Context) {
	c.Redirect(http.StatusMovedPermanently, "/admin/settings/brand")
}

// BrandPage 品牌与合规设置页
func (sc *SiteSettingController) BrandPage(c *gin.Context) {
	c.HTML(http.StatusOK, "admin/site-settings/brand.html", common.BuildAdminPageData(c, gin.H{
		"Title":         "站点设置 - 品牌与合规",
		"ExtraCSS":      "/admin/static/css/site-settings.css",
		"ExtraJS":       "/admin/static/js/site-settings.js",
		"ActiveSetting": "brand",
	}))
}

// SecurityPage 安全与维护设置页
func (sc *SiteSettingController) SecurityPage(c *gin.Context) {
	c.HTML(http.StatusOK, "admin/site-settings/security.html", common.BuildAdminPageData(c, gin.H{
		"Title":         "站点设置 - 安全与维护",
		"ExtraCSS":      "/admin/static/css/site-settings.css",
		"ExtraJS":       "/admin/static/js/site-settings.js",
		"ActiveSetting": "security",
	}))
}

// RegistrationPage 注册策略设置页
func (sc *SiteSettingController) RegistrationPage(c *gin.Context) {
	c.HTML(http.StatusOK, "admin/site-settings/registration.html", common.BuildAdminPageData(c, gin.H{
		"Title":         "站点设置 - 注册策略",
		"ExtraCSS":      "/admin/static/css/site-settings.css",
		"ExtraJS":       "/admin/static/js/site-settings.js",
		"ActiveSetting": "registration",
	}))
}

// ContentPage 审核与内容设置页
func (sc *SiteSettingController) ContentPage(c *gin.Context) {
	c.HTML(http.StatusOK, "admin/site-settings/content.html", common.BuildAdminPageData(c, gin.H{
		"Title":         "站点设置 - 审核与内容",
		"ExtraCSS":      "/admin/static/css/site-settings.css",
		"ExtraJS":       "/admin/static/js/site-settings.js",
		"ActiveSetting": "content",
	}))
}

// ThemePage 外观主题设置页
func (sc *SiteSettingController) ThemePage(c *gin.Context) {
	c.HTML(http.StatusOK, "admin/site-settings/theme.html", common.BuildAdminPageData(c, gin.H{
		"Title":         "站点设置 - 外观主题",
		"ExtraCSS":      "/admin/static/css/site-settings.css",
		"ExtraJS":       "/admin/static/js/site-settings-theme.js",
		"ActiveSetting": "theme",
	}))
}

// GetSettings 获取所有站点设置
func (sc *SiteSettingController) GetSettings(c *gin.Context) {
	all := sc.settingService.GetSettings()
	audit := sc.settingService.GetAuditSettings(sc.defaults)
	common.Ok(c, gin.H{
		"all":   all,
		"audit": audit,
	})
}

// UpdateSetting 更新单项设置
func (sc *SiteSettingController) UpdateSetting(c *gin.Context) {
	var req struct {
		Key   string `json:"key" binding:"required"`
		Value string `json:"value"`
	}
	if err := c.ShouldBindJSON(&req); err != nil {
		common.Error(c, http.StatusBadRequest, "参数错误")
		return
	}

	if err := sc.settingService.UpdateSetting(req.Key, req.Value); err != nil {
		common.Error(c, http.StatusInternalServerError, "保存失败")
		return
	}

	common.OkMessage(c, "设置已更新")
}

// UpdateBoolSetting 更新布尔设置
func (sc *SiteSettingController) UpdateBoolSetting(c *gin.Context) {
	var req struct {
		Key   string `json:"key" binding:"required"`
		Value string `json:"value" binding:"required"`
	}
	if err := c.ShouldBindJSON(&req); err != nil {
		common.Error(c, http.StatusBadRequest, "参数错误")
		return
	}

	v, err := service.ParseBool(req.Value)
	if err != nil {
		common.Error(c, http.StatusBadRequest, "值必须为 true 或 false")
		return
	}

	if err := sc.settingService.UpdateBoolSetting(req.Key, v); err != nil {
		common.Error(c, http.StatusInternalServerError, "保存失败")
		return
	}

	common.OkMessage(c, "设置已更新")
}

// GetBoolSetting 获取单个布尔设置的当前值
func (sc *SiteSettingController) GetBoolSetting(c *gin.Context) {
	key := c.Query("key")
	if key == "" {
		common.Error(c, http.StatusBadRequest, "缺少 key 参数")
		return
	}

	defaultVal := c.DefaultQuery("default", "false")
	d, _ := strconv.ParseBool(defaultVal)

	val := sc.settingService.GetAuditSettings(sc.defaults)
	// 简单键值查找
	switch key {
	case "audit.enabled":
		common.Ok(c, gin.H{"value": val.Enabled})
	case "audit.username_audit":
		common.Ok(c, gin.H{"value": val.UsernameAudit})
	case "audit.avatar_audit":
		common.Ok(c, gin.H{"value": val.AvatarAudit})
	case "audit.bio_audit":
		common.Ok(c, gin.H{"value": val.BioAudit})
	default:
		common.Ok(c, gin.H{"value": d})
	}
}

// GetThemes 获取所有可用主题列表
func (sc *SiteSettingController) GetThemes(c *gin.Context) {
	themes, err := theme.DiscoverThemes("templates")
	if err != nil {
		common.Error(c, http.StatusInternalServerError, "读取主题列表失败")
		return
	}
	if themes == nil {
		themes = []theme.ThemeInfo{}
	}
	// 读取当前主题
	all := sc.settingService.GetSettings()
	currentTheme := "MetaLab-2026"
	if t, ok := all["site.theme"]; ok && t != "" {
		currentTheme = t
	}
	common.Ok(c, gin.H{
		"themes":  themes,
		"current": currentTheme,
	})
}

// UpdateTheme 切换主题
func (sc *SiteSettingController) UpdateTheme(c *gin.Context) {
	var req struct {
		Theme string `json:"theme" binding:"required"`
	}
	if err := c.ShouldBindJSON(&req); err != nil {
		common.Error(c, http.StatusBadRequest, "参数错误")
		return
	}

	// 验证主题是否存在
	themes, err := theme.DiscoverThemes("templates")
	if err != nil {
		common.Error(c, http.StatusInternalServerError, "读取主题列表失败")
		return
	}
	found := false
	for _, t := range themes {
		if t.Dir == req.Theme {
			found = true
			break
		}
	}
	if !found {
		common.Error(c, http.StatusBadRequest, "主题不存在")
		return
	}

	if err := sc.settingService.UpdateTheme(req.Theme, sc.themeReload); err != nil {
		common.Error(c, http.StatusInternalServerError, "主题切换失败")
		return
	}
	common.OkMessage(c, "主题已切换")
}