using static MFiles.Grpc.Samples.MFilesValues;

namespace MFiles.Grpc.Samples.Recipes;

/// <summary>
/// Recipe "search": documents of one class modified in the last N days, newest first.
/// Arguments: [class ID, default 1 "Other Document"] [days, default 30] [limit, default 10]
/// </summary>
public static class Search
{
    public static async Task RunAsync(MFilesSettings settings, string[] args)
    {
        int classId = RecipeHelpers.IntArg(args, 0, 1);
        int days = RecipeHelpers.IntArg(args, 1, 30);
        int limit = RecipeHelpers.IntArg(args, 2, 10);
        await using var connection = await MFilesConnection.ConnectAsync(settings, RecipeHelpers.ClientName);

        // [START search]
        var since = DateTime.UtcNow.AddDays(-days);
        var request = new SearchObjectsRequest
        {
            // One array: all its conditions must match.
            Conditions =
            {
                new SearchConditionArray
                {
                    Value =
                    {
                        IsObjectType(0),  // documents
                        IsNotDeleted(),
                        // Property 100 "Class" is a lookup into value list 1, the classes.
                        PropertyCondition(100, ConditionType.Equal, Lookup(1, classId)),
                        // Property 21 "Last modified" is a timestamp.
                        PropertyCondition(21, ConditionType.GreaterThanOrEqual, Timestamp(since)),
                    },
                },
            },
            // Newest first. The server sorts all matches, then returns the first `limit`.
            Sorting = new SearchResultsSorting
            {
                Rules = new SortRuleValueArray
                {
                    Values = { new SortRule { Key = 21, Options = new SortRuleFlags { SortDescending = true } } },
                },
            },
            Limit = (uint)limit,
        };

        var search = new IRPCSearch.IRPCSearchClient(connection.CallInvoker);
        var response = await search.SearchObjectsAsync(request);
        // [END search]

        Console.WriteLine($"Documents of class {classId} modified since {since:yyyy-MM-dd}: {response.Results.Count}" +
            (response.HasMoreResults ? $" (limited to {limit}; more exist)" : ""));
        foreach (var item in response.Results)
            Console.WriteLine("  " + RecipeHelpers.Describe(item.Object));
    }
}