package db

import (
	"database/sql"

	"person-home/internal/models"
)

func GetSettings(d *sql.DB) (*models.Settings, error) {
	s := &models.Settings{}
	rows, err := d.Query("SELECT key, value FROM settings")
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	for rows.Next() {
		var k, v string
		if err := rows.Scan(&k, &v); err != nil {
			return nil, err
		}
		switch k {
		case "site_name":
			s.SiteName = v
		case "home_title":
			s.HomeTitle = v
		case "home_subtitle":
			s.HomeSubtitle = v
		}
	}
	return s, rows.Err()
}

func UpdateSettings(d *sql.DB, req *models.UpdateSettingsRequest) (*models.Settings, error) {
	if req.SiteName != nil {
		if _, err := d.Exec("INSERT INTO settings (key, value) VALUES ('site_name', ?) ON CONFLICT(key) DO UPDATE SET value = ?", *req.SiteName, *req.SiteName); err != nil {
			return nil, err
		}
	}
	if req.HomeTitle != nil {
		if _, err := d.Exec("INSERT INTO settings (key, value) VALUES ('home_title', ?) ON CONFLICT(key) DO UPDATE SET value = ?", *req.HomeTitle, *req.HomeTitle); err != nil {
			return nil, err
		}
	}
	if req.HomeSubtitle != nil {
		if _, err := d.Exec("INSERT INTO settings (key, value) VALUES ('home_subtitle', ?) ON CONFLICT(key) DO UPDATE SET value = ?", *req.HomeSubtitle, *req.HomeSubtitle); err != nil {
			return nil, err
		}
	}
	return GetSettings(d)
}