package auth

import (
	"context"
	"strings"

	"apps/backend/internal/middleware"
	"apps/backend/internal/response"
	"apps/backend/internal/svc"
	"apps/backend/internal/types"

	"github.com/zeromicro/go-zero/core/logx"
)

type UpdateProfileLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

func NewUpdateProfileLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UpdateProfileLogic {
	return &UpdateProfileLogic{Logger: logx.WithContext(ctx), ctx: ctx, svcCtx: svcCtx}
}

func (l *UpdateProfileLogic) UpdateProfile(req *types.AuthProfilePatchReq) (resp *types.MemberPublic, err error) {
	// 頭像：nil=不改；""=清除；非空須為 media upload 回傳的 http(s) URL（禁止 data URL）
	if req.AvatarUrl != nil {
		u := strings.TrimSpace(*req.AvatarUrl)
		if u != "" {
			if strings.HasPrefix(u, "data:") || len(u) > 2048 {
				return nil, response.Biz(400, 400001, "avatar_url must be a short http(s) URL from media upload, not data URL")
			}
			if !strings.HasPrefix(u, "http://") && !strings.HasPrefix(u, "https://") {
				return nil, response.Biz(400, 400001, "avatar_url must be http(s)")
			}
		}
		// 正規化空白
		*req.AvatarUrl = u
	}
	uid, _ := middleware.UIDFrom(l.ctx)
	m, err := l.svcCtx.Auth.UpdateUserInfo(l.ctx, uid, types.PatchFromAuthProfile(req))
	if err != nil {
		return nil, err
	}
	ids, _ := l.svcCtx.Auth.ListIdentities(l.ctx, m.UID)
	return types.MemberFromModelWithIdentities(m, ids), nil
}