using NozCli.Repl;
using Spectre.Console;

namespace NozCli.Commands;

public class SearchCommand : ICommand
{
    public string Name        => "search";
    public string Description => "Full-text search via Meilisearch";
    public string Usage       => "search <query> [--topic <topic>] [--limit <n>]";

    private static readonly Dictionary<string, string> StatusDot = new()
    {
        ["seed"]      = "[yellow]◦[/]",
        ["budding"]   = "[magenta]◈[/]",
        ["evergreen"] = "[cyan]◉[/]",
    };

    public async Task ExecuteAsync(string[] args, ReplContext ctx, CancellationToken ct = default)
    {
        var topic   = ParseFlag(args, "--topic") ?? ctx.CurrentTopic;
        var limitRaw = ParseFlag(args, "--limit");
        var limit   = limitRaw is not null && int.TryParse(limitRaw, out var l) ? l : 10;
        var query   = string.Join(' ', args.Where(a => !a.StartsWith('-') &&
                                                       a != ParseFlag(args, "--topic") &&
                                                       a != ParseFlag(args, "--limit")));

        if (string.IsNullOrWhiteSpace(query))
        {
            AnsiConsole.MarkupLine("[red]Usage:[/] search <query> [--topic <topic>] [--limit <n>]");
            return;
        }

        List<NozCli.Core.Models.SearchHit> hits = [];
        await AnsiConsole.Status().StartAsync($"Suche nach »{query}«…", async _ =>
            hits = await ctx.Api.SearchAsync(query, topic, limit, ct));

        if (hits.Count == 0)
        {
            AnsiConsole.MarkupLine($"[dim]Keine Treffer für »{Markup.Escape(query)}«.[/]");
            return;
        }

        AnsiConsole.MarkupLine($"[dim]{hits.Count} Treffer[/]\n");

        foreach (var h in hits)
        {
            var dot   = StatusDot.GetValueOrDefault(h.Status, "·");
            var desc  = h.Description is { Length: > 0 } d ? $"\n    [dim]{Markup.Escape(d)}[/]" : "";
            AnsiConsole.MarkupLine($"  {dot}  [cyan]{Markup.Escape(h.Slug)}[/]  [white]{Markup.Escape(h.Title)}[/]{desc}");
        }

        AnsiConsole.WriteLine();
    }

    private static string? ParseFlag(string[] args, string flag)
    {
        var idx = Array.IndexOf(args, flag);
        return idx >= 0 && idx + 1 < args.Length ? args[idx + 1] : null;
    }
}