package settings

import (
	"context"
	"fmt"

	"github.com/jackc/pgx/v5/pgxpool"
)

var AllowedKeys = map[string]bool{
	"company_name":    true,
	"company_nif":     true,
	"company_address": true,
	"company_iban":    true,
	"company_phone":   true,
	"company_email":   true,
}

func GetSettings(ctx context.Context, conn *pgxpool.Conn) (map[string]string, error) {
	rows, err := conn.Query(ctx, `SELECT key, value FROM tenant_settings`)
	if err != nil {
		return nil, fmt.Errorf("settings: get: %w", err)
	}
	defer rows.Close()
	result := map[string]string{}
	for rows.Next() {
		var k, v string
		if err := rows.Scan(&k, &v); err != nil {
			return nil, fmt.Errorf("settings: scan: %w", err)
		}
		result[k] = v
	}
	return result, rows.Err()
}

func SetSetting(ctx context.Context, conn *pgxpool.Conn, key, value string) error {
	_, err := conn.Exec(ctx,
		`INSERT INTO tenant_settings (key, value) VALUES ($1, $2)
		 ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value, updated_at = NOW()`,
		key, value)
	if err != nil {
		return fmt.Errorf("settings: set %s: %w", key, err)
	}
	return nil
}