using ClaudeDo.Data;

namespace ClaudeDo.Data.Tests;

public class PromptFilesTests
{
    [Fact]
    public void RenderTemplate_replaces_known_tokens()
    {
        var outp = PromptFiles.RenderTemplate(
            "Plan for {date}, cap {maxTasks}.",
            new Dictionary<string, string> { ["date"] = "2026-06-04", ["maxTasks"] = "5" });
        Assert.Equal("Plan for 2026-06-04, cap 5.", outp);
    }

    [Fact]
    public void RenderTemplate_leaves_unknown_braces_intact()
    {
        var outp = PromptFiles.RenderTemplate(
            "## {Wochentag}, {dd.MM.yyyy} — {start}",
            new Dictionary<string, string> { ["start"] = "01.06.2026" });
        Assert.Equal("## {Wochentag}, {dd.MM.yyyy} — 01.06.2026", outp);
    }

    [Fact]
    public void DefaultFor_system_mentions_blocked_marker_and_scope()
    {
        var d = PromptFiles.DefaultFor(PromptKind.System);
        Assert.Contains("CLAUDEDO_BLOCKED:", d);
        Assert.Contains("unattended", d, StringComparison.OrdinalIgnoreCase);
    }

    [Fact]
    public void DefaultFor_planning_initial_has_title_and_description_tokens()
    {
        var d = PromptFiles.DefaultFor(PromptKind.PlanningInitial);
        Assert.Contains("{title}", d);
        Assert.Contains("{description}", d);
    }

    [Fact]
    public void PathFor_planning_is_planning_system_file()
    {
        Assert.EndsWith("planning-system.md", PromptFiles.PathFor(PromptKind.Planning));
    }

    [Fact]
    public void PathFor_merge_helper_kinds_map_to_their_files()
    {
        Assert.EndsWith("merge-helper-system.md", PromptFiles.PathFor(PromptKind.MergeHelper));
        Assert.EndsWith("merge-helper-initial.md", PromptFiles.PathFor(PromptKind.MergeHelperInitial));
    }

    [Fact]
    public void DefaultFor_merge_helper_is_non_empty_and_mentions_the_merge_tools()
    {
        var d = PromptFiles.DefaultFor(PromptKind.MergeHelper);
        Assert.False(string.IsNullOrWhiteSpace(d));
        Assert.Contains("review_task", d);
        Assert.Contains("continue_merge", d);
    }

    [Fact]
    public void DefaultFor_merge_helper_initial_has_scope_and_tasks_tokens()
    {
        var d = PromptFiles.DefaultFor(PromptKind.MergeHelperInitial);
        Assert.False(string.IsNullOrWhiteSpace(d));
        Assert.Contains("{scope}", d);
        Assert.Contains("{tasks}", d);
    }

    [Fact]
    public void RenderTemplate_merge_helper_initial_substitutes_scope_and_tasks()
    {
        var outp = PromptFiles.RenderTemplate(
            PromptFiles.DefaultFor(PromptKind.MergeHelperInitial),
            new Dictionary<string, string> { ["scope"] = "All lists", ["tasks"] = "- [Idle] T1" });
        Assert.Contains("Scope: All lists", outp);
        Assert.Contains("- [Idle] T1", outp);
        Assert.DoesNotContain("{scope}", outp);
        Assert.DoesNotContain("{tasks}", outp);
    }
}