using System.ComponentModel;
using ModelContextProtocol.Server;

namespace MoneyMap.Mcp.Tools;

[McpServerToolType]
public static class MerchantTools
{
    [McpServerTool(Name = "list_merchants"), Description("List all merchants with transaction counts and category mapping info.")]
    public static async Task<string> ListMerchants(
        [Description("Filter merchants by name (contains)")] string? query = null,
        MoneyMapApiClient api = default!)
    {
        return await api.ListMerchantsAsync(query);
    }

    [McpServerTool(Name = "merge_merchants"), Description("Merge duplicate merchants. Reassigns all transactions and category mappings from source to target, then deletes source.")]
    public static async Task<string> MergeMerchants(
        [Description("Merchant ID to merge FROM (will be deleted)")] int sourceMerchantId,
        [Description("Merchant ID to merge INTO (will be kept)")] int targetMerchantId,
        MoneyMapApiClient api = default!)
    {
        return await api.MergeMerchantsAsync(sourceMerchantId, targetMerchantId);
    }
}