package handlers

import (
	"net/http"
	"strings"

	"github.com/gin-gonic/gin"

	"sproutgate-backend/internal/storage"
)

// GetPublicRegistrationPolicy
// @Summary 公开注册策略与 OAuth/Turnstile 开关
// @Tags public
// @Produce json
// @Success 200 {object} map[string]interface{}
// @Router /api/public/registration-policy [get]
func (h *Handler) GetPublicRegistrationPolicy(c *gin.Context) {
	h.store.MaybeSyncRuntimeConfigFromDB()
	o := h.store.PublicOAuthFlags()
	oc := h.store.GetOAuthConfig()
	tc := h.store.GetTurnstileConfig()
	c.JSON(http.StatusOK, gin.H{
		"requireInviteCode":         h.store.RegistrationRequireInvite(),
		"inviteRegisterRewardCoins": h.store.RegistrationInviteRegisterRewardCoins(),
		"selfServiceAccountMin":     storage.MinSelfServiceAccountLen,
		"selfServiceAccountMax":     storage.MaxSelfServiceAccountLen,
		"selfServiceAccountHint":    "lowercase letters and digits only",
		"githubOAuthEnabled":        o.GitHubEnabled,
		"giteaOAuthEnabled":         o.GiteaEnabled,
		"googleOAuthEnabled":        o.GoogleEnabled,
		"microsoftOAuthEnabled":     o.MicrosoftEnabled,
		"linuxdoOAuthEnabled":       o.LinuxdoEnabled,
		"githubOAuthLogoUrl":        strings.TrimSpace(oc.GitHubLogoURL),
		"giteaOAuthLogoUrl":         strings.TrimSpace(oc.GiteaLogoURL),
		"googleOAuthLogoUrl":        strings.TrimSpace(oc.GoogleLogoURL),
		"microsoftOAuthLogoUrl":     strings.TrimSpace(oc.MicrosoftLogoURL),
		"linuxdoOAuthLogoUrl":       strings.TrimSpace(oc.LinuxdoLogoURL),
		"turnstileEnabled":          tc.Enabled,
		"turnstileSiteKey":          strings.TrimSpace(tc.SiteKey),
	})
}