package repository

import (
	"context"

	"gorm.io/gorm"

	"github.com/gochat/gochat/internal/model"
)

// WidgetThemeConfigRepo implements GORM repository for WidgetThemeConfig.
type WidgetThemeConfigRepo struct {
	db *gorm.DB
}

// NewWidgetThemeConfigRepo creates a new WidgetThemeConfig repository.
func NewWidgetThemeConfigRepo(db *gorm.DB) *WidgetThemeConfigRepo {
	return &WidgetThemeConfigRepo{db: db}
}

// FindByInboxID retrieves the theme config for a specific inbox.
// Each inbox should have at most one theme config record.
func (r *WidgetThemeConfigRepo) FindByInboxID(ctx context.Context, inboxID uint) (*model.WidgetThemeConfig, error) {
	var config model.WidgetThemeConfig
	err := r.db.WithContext(ctx).Where("inbox_id = ?", inboxID).First(&config).Error
	if err != nil {
		return nil, err
	}
	return &config, nil
}

// FindByID retrieves a theme config by primary key.
func (r *WidgetThemeConfigRepo) FindByID(ctx context.Context, id uint) (*model.WidgetThemeConfig, error) {
	var config model.WidgetThemeConfig
	err := r.db.WithContext(ctx).First(&config, id).Error
	if err != nil {
		return nil, err
	}
	return &config, nil
}

// Create inserts a new theme config.
func (r *WidgetThemeConfigRepo) Create(ctx context.Context, config *model.WidgetThemeConfig) error {
	return r.db.WithContext(ctx).Create(config).Error
}

// Update modifies an existing theme config.
func (r *WidgetThemeConfigRepo) Update(ctx context.Context, config *model.WidgetThemeConfig) error {
	return r.db.WithContext(ctx).Save(config).Error
}

// Delete soft-deletes a theme config.
func (r *WidgetThemeConfigRepo) Delete(ctx context.Context, id uint) error {
	return r.db.WithContext(ctx).Delete(&model.WidgetThemeConfig{}, id).Error
}

// DeleteByInboxID soft-deletes the theme config for a specific inbox.
func (r *WidgetThemeConfigRepo) DeleteByInboxID(ctx context.Context, inboxID uint) error {
	return r.db.WithContext(ctx).Where("inbox_id = ?", inboxID).Delete(&model.WidgetThemeConfig{}).Error
}