# -*- coding:utf-8 -*-
from pathlib import Path

import pytest

from dw_base.datax.batch import expand_ini_inputs, run_batch


def test_expand_ini_inputs_single_and_dir(tmp_path: Path):
    d = tmp_path / 'inis'
    d.mkdir()
    (d / 'a.ini').write_text('', encoding='utf-8')
    (d / 'b.ini').write_text('', encoding='utf-8')
    (d / 'c.txt').write_text('', encoding='utf-8')  # 非 .ini 应被忽略

    extra = tmp_path / 'x.ini'
    extra.write_text('', encoding='utf-8')

    result = expand_ini_inputs([str(extra)], [str(d)])
    names = [Path(p).name for p in result]
    assert names == ['x.ini', 'a.ini', 'b.ini']  # 先 ini 参数、再目录扫描、排序


def test_expand_ini_inputs_dedup(tmp_path: Path):
    d = tmp_path / 'inis'
    d.mkdir()
    (d / 'a.ini').write_text('', encoding='utf-8')

    # 同一 ini 既通过 -ini 又通过 -inis 传入，只保留一份
    result = expand_ini_inputs([str(d / 'a.ini')], [str(d)])
    assert len(result) == 1


def test_expand_ini_inputs_dir_not_exist_raises(tmp_path: Path):
    with pytest.raises(ValueError, match='ini 目录不存在'):
        expand_ini_inputs([], [str(tmp_path / 'nonexistent')])


def test_run_batch_serial_success_and_fail_counts():
    calls = []

    def run_one(ini):
        calls.append(ini)
        return 0 if 'good' in ini else 1

    success, failed = run_batch(['good_1.ini', 'bad_1.ini', 'good_2.ini'], run_one, parallel=False)
    assert success == 2
    assert failed == 1
    assert calls == ['good_1.ini', 'bad_1.ini', 'good_2.ini']  # 串行顺序


def test_run_batch_empty_inis():
    assert run_batch([], lambda p: 0) == (0, 0)


def test_run_batch_parallel_counts():
    import threading
    lock = threading.Lock()
    seen = []

    def run_one(ini):
        with lock:
            seen.append(ini)
        return 0 if 'good' in ini else 1

    success, failed = run_batch(['good_1.ini', 'bad_1.ini', 'good_2.ini'],
                                run_one, parallel=True, sleep_between=0)
    assert success == 2
    assert failed == 1
    assert set(seen) == {'good_1.ini', 'bad_1.ini', 'good_2.ini'}  # 并行无顺序保证


def test_run_batch_parallel_exception_counts_as_failure():
    def run_one(ini):
        raise RuntimeError('boom')

    success, failed = run_batch(['a.ini'], run_one, parallel=True, sleep_between=0)
    assert success == 0
    assert failed == 1