from textwrap import dedent

from pysubs2 import SSAFile, SSAEvent, make_time


def test_simple_parsing() -> None:
    test_input1 = "[123][456] Line 1"
    subs1 = SSAFile.from_string(test_input1)
    assert len(subs1) == 1
    assert subs1[0] == SSAEvent(start=make_time(ms=12300), end=make_time(ms=45600), text="Line 1")

    test_input2 = "[123][456] / Line 1|   Line 2/2"
    subs2 = SSAFile.from_string(test_input2)
    assert len(subs2) == 1
    assert subs2[0] == SSAEvent(start=make_time(ms=12300), end=make_time(ms=45600), text=r"{\i1}Line 1{\i0}\NLine2/2")

    test_input3 = dedent("""
    [123][456] Line 1
    [321][456] / Line 2|   Line 3
    (123)(456)This line should not be parsed
    This line should also not be parsed
    
    [789][1234] /Line 4""")

    subs3 = SSAFile.from_string(test_input3)
    assert len(subs3) == 3
    assert subs3[0] == SSAEvent(start=make_time(ms=12300), end=make_time(ms=45600), text="Line 1")
    assert subs3[1] == SSAEvent(start=make_time(ms=32100), end=make_time(ms=45600), text=r"{\i1}Line 2{\i0}\NLine 3")
    assert subs3[2] == SSAEvent(start=make_time(ms=78900), end=make_time(ms=123400), text=r"{\i1}Line 4{\i0}")


def test_simple_writing() -> None:
    subs = SSAFile()
    subs.append(SSAEvent(start=0, end=1000, text="Hello!"))
    subs.append(SSAEvent(start=1000, end=2000, text="Hello World!\\NTwo-line subtitle!"))
    subs.append(SSAEvent(start=2000, end=3000, text=r"{\i1}This is an italic line {with some hidden content}"))
    subs.append(SSAEvent(start=3000, end=4000, text="This is a comment line"))
    subs[-1].is_comment = True

    reference_output = dedent("""\
        [0][10] Hello!
        [10][20] Hello World!|Two-line subtitle!
        [20][30] This is an italic line
        """)

    assert subs.to_string("mpl2").strip() == reference_output.strip()