from pathlib import Path

import pytest
from typer.testing import CliRunner

from src.main import app

runner = CliRunner()

# Test file paths
JPG_TEST_FILE = r"C:\Users\Xheri\development\metadata-scrubber-tool\tests\assets\test_images\DSCN0012.jpg"
PNG_TEST_FILE = r"C:\Users\Xheri\development\metadata-scrubber-tool\tests\assets\test_images\generated_test_45.png"
TEST_DIR = r"C:\Users\Xheri\development\metadata-scrubber-tool\tests\assets\test_images"


# ============== Success Case Tests ==============


@pytest.mark.parametrize(
    "x",
    [JPG_TEST_FILE, PNG_TEST_FILE],
)
def test_read_command_single_file_success(x):
    """
    Test the 'read' command with a single file (JPG and PNG).
    """
    result = runner.invoke(app, ["read", str(x)])

    assert result.exit_code == 0
    assert "Reading" in result.stdout
    assert Path(x).name in result.stdout


@pytest.mark.parametrize(
    "ext",
    ["jpg", "png"],
)
def test_read_command_recursive_directory_success(ext):
    """
    Test the 'read' command with recursive directory processing.
    """
    result = runner.invoke(app, ["read", TEST_DIR, "-r", "-ext", ext])

    assert result.exit_code == 0
    assert "Reading" in result.stdout


def test_read_command_requires_ext_with_recursive():
    """
    Test that --recursive requires --extension flag.
    """
    result = runner.invoke(app, ["read", TEST_DIR, "-r"])

    assert result.exit_code != 0
    # Should fail with bad parameter error


def test_read_command_requires_recursive_with_ext():
    """
    Test that --extension requires --recursive flag.
    """
    result = runner.invoke(app, ["read", JPG_TEST_FILE, "-ext", "jpg"])

    assert result.exit_code != 0


# ============== Error Case Tests ==============


def test_read_command_file_not_found():
    """
    Test that the app handles missing files gracefully.
    """
    result = runner.invoke(app, ["read", "ghost_file.jpg"])

    # Typer returns exit code 2 (Usage Error) for bad arguments
    assert result.exit_code == 2
    assert "Invalid value for 'FILE_PATH'" in result.stderr
    assert "does not exist" in result.stderr