package admin

import (
	"encoding/json"
	"net/http"

	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
	"gorm.io/gorm"

	"openteam/server/internal/pkg/httpx"
	"openteam/server/internal/store"
)

type configHandler struct {
	db  *gorm.DB
	log *zap.Logger
}

// Get handles GET /api/v1/admin/config — returns the full config map.
func (h *configHandler) Get(c *gin.Context) {
	var confs []store.SystemConfig
	if err := h.db.Find(&confs).Error; err != nil {
		h.log.Warn("load config failed", zap.Error(err))
		httpx.Fail(c, http.StatusInternalServerError, "load config failed")
		return
	}
	out := map[string]any{}
	for _, conf := range confs {
		var v any
		if err := json.Unmarshal(conf.Value, &v); err == nil {
			out[conf.Key] = v
		}
	}
	httpx.OK(c, out)
}

// Put handles PUT /api/v1/admin/config — upserts key/value pairs.
func (h *configHandler) Put(c *gin.Context) {
	var in map[string]any
	if !httpx.Bind(c, &in) {
		return
	}
	for k, v := range in {
		raw, err := json.Marshal(v)
		if err != nil {
			continue
		}
		conf := store.SystemConfig{Key: k, Value: raw}
		if err := h.db.Save(&conf).Error; err != nil {
			h.log.Warn("save config failed", zap.Error(err), zap.String("key", k))
			httpx.Fail(c, http.StatusInternalServerError, "save config failed")
			return
		}
	}
	httpx.OK(c, gin.H{"ok": true})
}