"""JC-01~08: JCL 解析 + 执行"""

import sys, os, tempfile
from pathlib import Path
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
from jcl.parser import parse_jcl, CondParam, JobStep, Job, DDEntry


def _write_jcl(content):
    tmp = tempfile.NamedTemporaryFile(mode="w", suffix=".jcl", delete=False, encoding="utf-8")
    tmp.write(content)
    tmp.close()
    return tmp.name


def test_parse_jcl_basic():
    """JC-01: JOB + 2 STEP"""
    path = _write_jcl("//JobA  JOB (1),'TEST'\n//STEP1  EXEC PGM=PGM1\n//STEP2  EXEC PGM=PGM2")
    try:
        job = parse_jcl(path)
        assert job is not None
        assert len(job.steps) == 2
    finally:
        os.unlink(path)


def test_parse_jcl_cond():
    """JC-02: COND 参数"""
    path = _write_jcl("//J JOB\n//S EXEC PGM=P,COND=(0,NE)")
    try:
        job = parse_jcl(path)
        assert job is not None
    finally:
        os.unlink(path)


def test_parse_jcl_dd():
    """JC-03: DD 语句"""
    path = _write_jcl("//J JOB\n//S EXEC PGM=P\n//DD1 DD DSN=MY.DATA,DISP=SHR")
    try:
        job = parse_jcl(path)
        assert job is not None
    finally:
        os.unlink(path)


def test_parse_jcl_comment():
    """JC-06: 注释行跳过"""
    path = _write_jcl("//J JOB\n//* THIS IS COMMENT\n//S EXEC PGM=P")
    try:
        job = parse_jcl(path)
        assert job is not None
        assert len(job.steps) == 1
    finally:
        os.unlink(path)


def test_parse_jcl_continuation():
    """JC-04: 续行"""
    path = _write_jcl("//J JOB\n//S EXEC PGM=P\n//DD1 DD DSN=A,\n//  DISP=SHR")
    try:
        job = parse_jcl(path)
        assert job is not None
    finally:
        os.unlink(path)


def test_parse_jcl_empty():
    """JC-05: 空文件"""
    path = _write_jcl("")
    try:
        assert parse_jcl(path) is None
    finally:
        os.unlink(path)


def test_parse_jcl_not_found():
    """JC-07: 文件不存在 → 返回 None（不再抛异常）"""
    p = os.path.join(tempfile.gettempdir(), "_unlikely_jcl_test_99_.jcl")
    result = parse_jcl(p)
    assert result is None


def test_cond_param():
    c = CondParam(code=0, operator="NE")
    assert c.code == 0


def test_job_step():
    s = JobStep("S1", "PGM1")
    assert s.step_name == "S1"


def test_job():
    j = Job("TESTJOB")
    assert j.job_name == "TESTJOB"