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# Licensed under the Apache License, Version 2.0 (the "License");
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# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

import pytest

from mirage import MountMode, Workspace
from tests.resource.databricks_volume.test_databricks_volume import (
    FakeFiles, make_resource, seed_directory, seed_file)

ROOT = "/Volumes/main/default/agent_files/root"


@pytest.fixture
def dbx_files() -> FakeFiles:
    files = FakeFiles()
    seed_directory(files, ROOT)
    seed_file(files, f"{ROOT}/words.txt", b"beta\nalpha\nalpha\n")
    files.create_directory(f"{ROOT}/sub")
    seed_file(files, f"{ROOT}/sub/inner.txt", b"gamma\nalpha\n")
    return files


@pytest.fixture
def ws(dbx_files: FakeFiles) -> Workspace:
    return Workspace({"/dbx/": make_resource(dbx_files)}, mode=MountMode.READ)


@pytest.mark.asyncio
async def test_grep_single_file(ws):
    io = await ws.execute("grep alpha /dbx/words.txt")

    assert io.exit_code == 0
    assert io.stdout == b"alpha\nalpha\n"


@pytest.mark.asyncio
async def test_grep_line_numbers(ws):
    io = await ws.execute("grep -n alpha /dbx/words.txt")

    assert io.exit_code == 0
    assert io.stdout == b"2:alpha\n3:alpha\n"


@pytest.mark.asyncio
async def test_grep_count_only(ws):
    io = await ws.execute("grep -c alpha /dbx/words.txt")

    assert io.exit_code == 0
    assert io.stdout == b"2\n"


@pytest.mark.asyncio
async def test_grep_recursive(ws):
    io = await ws.execute("grep -r alpha /dbx/")

    assert io.exit_code == 0
    out = io.stdout.decode()
    assert "words.txt" in out
    assert "inner.txt" in out


@pytest.mark.asyncio
async def test_grep_no_match_exits_nonzero(ws):
    io = await ws.execute("grep zeta /dbx/words.txt")

    assert io.exit_code != 0