#!/usr/bin/env python
# -*- coding: utf-8 -*-

"""Tests for `s2rename` package."""

import pytest

from pathlib import Path


sensovation_source_list = [
    Path("some thing_A1_1.tif"),
    Path("some thing_A02_2.tif"),
    Path("A03_3.tif"),
    Path("some thing_A10_4"),
    Path("some thing_A11_5.csv"),
    Path("some thing_A12_6.xml"),
    Path("some thing_B01_1.tif"),
    Path("some thing_C01_1.tif"),
    Path("some thing_D01_1.tif"),
    Path("some thing_E01_1.tif"),
    Path("some thing_F01_1.tif"),
    Path("some thing_G01_1.tif"),
    Path("some thing_H01_1.tif"),
    Path("some thing_I01_1.tif"),
    Path("some thing_FF01_1.tif"),
    Path("some thing_F21_1.tif"),
    Path("some thing_F00_1.tif"),
    Path("some thing_F0_1.tif"),
    Path("some thing_F13_1.tif"),
    Path("some thing_F08.tif"),
    Path(".some thing_F09_1.tif"),
]

scienion_source_list = [
    Path("A1_1_some thing.tif"),
    Path("A02_2_some thing.tif"),
    Path("A03_3.tif"),
    Path("A10_4_some thing"),
    Path("A11_5_some thing.csv"),
    Path("A12_6_some thing.xml"),
    Path("B01_1_some thing.tif"),
    Path("C01_1_some thing.tif"),
    Path("D01_1_some thing.tif"),
    Path("E01_1_some thing.tif"),
    Path("F01_1_some thing.tif"),
    Path("G01_1_some thing.tif"),
    Path("H01_1_some thing.tif"),
    Path("I01_1_some thing.tif"),
    Path("FF01_1_some thing.tif"),
    Path("F21_1_some thing.tif"),
    Path("F00_1_some thing.tif"),
    Path("F0_1_some thing.tif"),
    Path("F13_1_some thing.tif"),
    Path("F08_some thing.tif"),
    Path(".F09_1_some thing.tif"),
]


@pytest.mark.parametrize("sources", [sensovation_source_list, scienion_source_list])
def test_parse_source_list_sensovation(sources):
    from s2rename.helpers import RE_SENSOVATION, RE_SCIENION, parse_source_list

    regex = RE_SENSOVATION if sources == sensovation_source_list else RE_SCIENION
    result = list(parse_source_list(sources, regex))

    assert len(result) == 13
    assert {r.row for r in result} == set("ABCDEFGH")
    assert {r.col for r in result} == {1, 2, 3, 10, 11, 12}
    assert {r.channel for r in result} == set("123456")
    assert {r.ext for r in result} == {".tif", ".csv", ".xml", ""}
    assert {r.stem for r in result} == {"some thing", ""}


def test_get_source_list():
    from s2rename.helpers import get_source_list

    result = list(get_source_list("."))

    assert {p.name for p in result} == {
        "LICENSE",
        "Pipfile",
        "requirements_dev.txt",
        "setup.cfg",
        "Makefile",
        "README.md",
        "setup.py",
    }


@pytest.mark.parametrize("path", ["/i/hope/this/doesnt/exist", "setup.py"])
def test_get_source_list_raises_error(path):
    from s2rename.helpers import get_source_list, S2IOError

    with pytest.raises(S2IOError):
        get_source_list(path)


def test_get_source_list_with_type():
    from s2rename.helpers import get_source_list

    result = get_source_list(".", ".txt")

    assert {p.name for p in result} == {"requirements_dev.txt"}


def test_filter_source_list_type():
    from s2rename.helpers import filter_source_list

    result = list(filter_source_list(sensovation_source_list, ".csv"))

    assert len(result) == 1
    assert result[0].name == "some thing_A11_5.csv"


def test_get_new_name_simple():
    from s2rename.helpers import get_new_name, Renamable, template_sensovation

    r = Renamable(
        path=Path("x.csv"), stem="some_name", row="A", col=2, channel=3, ext=".csv"
    )
    result = get_new_name(r, template_sensovation, digits=2)

    assert result == "some_name_A02_3.csv"


@pytest.mark.parametrize(
    "tpl,stem,row,col,channel,digits,ext,expected",
    [
        ("sen", "some_name", "A", 1, 2, 1, ".xls", "some_name_A1_2.xls"),
        ("sen", "some_name", "A", 1, 2, 2, ".xls", "some_name_A01_2.xls"),
        ("sen", "some_name", "A", 1, 2, 3, ".xls", "some_name_A001_2.xls"),
        ("sen", "some_name", "B", 1, 2, 2, ".xls", "some_name_B01_2.xls"),
        ("sen", "some_name", "A", 2, 2, 2, ".xls", "some_name_A02_2.xls"),
        ("sen", "some_name", "A", 1, 3, 2, ".xls", "some_name_A01_3.xls"),
        ("sen", "some_name", "A", 1, 3, 2, ".tif", "some_name_A01_3.tif"),
        ("sen", "", "A", 1, 3, 2, ".xls", "A01_3.xls"),
        ("sci", "some_name", "A", 1, 2, 1, ".xls", "A1_2_some_name.xls"),
        ("sci", "some_name", "A", 1, 2, 2, ".xls", "A01_2_some_name.xls"),
        ("sci", "some_name", "A", 1, 2, 3, ".xls", "A001_2_some_name.xls"),
        ("sci", "some_name", "B", 1, 2, 2, ".xls", "B01_2_some_name.xls"),
        ("sci", "some_name", "A", 2, 2, 2, ".xls", "A02_2_some_name.xls"),
        ("sci", "some_name", "A", 1, 3, 2, ".xls", "A01_3_some_name.xls"),
        ("sci", "some_name", "A", 1, 3, 2, ".tif", "A01_3_some_name.tif"),
        ("sci", "", "A", 1, 3, 2, ".xls", "A01_3.xls"),
    ],
)
def test_get_new_name(tpl, stem, row, col, channel, digits, ext, expected):
    from s2rename.helpers import (
        get_new_name,
        Renamable,
        template_sensovation,
        template_scienion,
    )

    path = Path("x" + ext)
    r = Renamable(path=path, stem=stem, row=row, col=col, channel=channel, ext=ext)
    tpl = template_sensovation if tpl == "sen" else template_scienion
    result = get_new_name(r, tpl, digits=digits)

    assert result == expected


def test_rename_files():
    from s2rename.helpers import rename_files, Renamable, template_sensovation

    old_path = Path("old.txt")
    new_path = Path("new_A001_2.xxx")
    renamable_item = Renamable(
        path=old_path, stem="new", row="A", col=1, channel=2, ext=".xxx"
    )
    with open(old_path, "w") as fh:
        fh.write("\n")
    assert old_path.is_file()
    assert not new_path.is_file()

    rename_files([renamable_item], template_sensovation, 3)

    assert not old_path.is_file()
    assert new_path.is_file()

    new_path.unlink()