const std = @import("std");
const testing = std.testing;
const src = @import("src");

// Test that logs command module can be imported and has expected structure
test "logs command module structure" {
    // Verify the logs module is exported from commands
    _ = src.commands.logs;

    // Test basic string operations used in logs command
    const test_target = "abc123";
    try testing.expect(test_target.len > 0);
    try testing.expect(std.ascii.isAlphanumeric(test_target[0]));
}

// Test logs command argument parsing patterns
test "logs command argument parsing" {
    const test_cases = [_]struct {
        args: []const []const u8,
        expect_target: []const u8,
        expect_follow: bool,
        expect_tail: ?usize,
    }{
        .{ .args = &[_][]const u8{"abc123"}, .expect_target = "abc123", .expect_follow = false, .expect_tail = null },
        .{ .args = &[_][]const u8{ "abc123", "-f" }, .expect_target = "abc123", .expect_follow = true, .expect_tail = null },
        .{ .args = &[_][]const u8{ "abc123", "--follow" }, .expect_target = "abc123", .expect_follow = true, .expect_tail = null },
        .{ .args = &[_][]const u8{ "abc123", "-n", "100" }, .expect_target = "abc123", .expect_follow = false, .expect_tail = 100 },
        .{ .args = &[_][]const u8{ "abc123", "--tail", "50" }, .expect_target = "abc123", .expect_follow = false, .expect_tail = 50 },
    };

    for (test_cases) |case| {
        // Verify target is first argument
        try testing.expect(std.mem.eql(u8, case.args[0], case.expect_target));

        // Check for follow flag
        var has_follow = false;
        for (case.args) |arg| {
            if (std.mem.eql(u8, arg, "-f") or std.mem.eql(u8, arg, "--follow")) {
                has_follow = true;
                break;
            }
        }
        try testing.expect(has_follow == case.expect_follow);
    }
}

// Test target ID validation patterns (common to both logs and debug)
test "target ID validation for logs" {
    const valid_targets = [_][]const u8{
        "abc123",
        "task-123",
        "run-abc-456",
        "abc123def4567890", // long hex-like
    };

    for (valid_targets) |target| {
        // All valid targets should be non-empty
        try testing.expect(target.len > 0);

        // Should not contain spaces
        try testing.expect(std.mem.indexOf(u8, target, " ") == null);
    }
}

// Test that commands.zig properly exports logs and debug modules
test "commands module exports" {
    // Verify logs module is exported
    _ = src.commands.logs;
}
