package service

import (
	"errors"
	"strings"

	"github.com/sundynix/pets-be/internal/model"
)

// CreateFeedback 提交意见反馈
func (s *Service) CreateFeedback(userID, content, contact string) (*model.Feedback, error) {
	content = strings.TrimSpace(content)
	if content == "" {
		return nil, errors.New("反馈内容不能为空")
	}
	if len([]rune(content)) > 1000 {
		return nil, errors.New("反馈内容太长了")
	}
	name := ""
	var u model.User
	if err := s.db.Select("nickname").First(&u, "id = ?", userID).Error; err == nil {
		name = u.Nickname
	}
	f := model.Feedback{UserID: userID, Nickname: name, Content: content, Contact: strings.TrimSpace(contact)}
	if err := s.db.Create(&f).Error; err != nil {
		return nil, err
	}
	return &f, nil
}

// ListFeedbackAdmin 后台反馈分页
func (s *Service) ListFeedbackAdmin(offset, limit int) ([]model.Feedback, int64, error) {
	var total int64
	s.db.Model(&model.Feedback{}).Count(&total)
	var list []model.Feedback
	err := s.db.Order("id desc").Offset(offset).Limit(limit).Find(&list).Error
	return list, total, err
}

// SetFeedbackHandled 标记反馈已处理
func (s *Service) SetFeedbackHandled(id string, handled bool) error {
	res := s.db.Model(&model.Feedback{}).Where("id = ?", id).Update("handled", handled)
	if res.Error != nil {
		return res.Error
	}
	if res.RowsAffected == 0 {
		return ErrNotFound
	}
	return nil
}