from io import BytesIO
import sys
import os
import tempfile
import unittest
from fontTools.misc.textTools import deHexStr
from fontTools.misc.macRes import ResourceReader


# test resource data in DeRez notation
"""
data 'TEST' (128, "name1") { $"4865 6C6C 6F" };                   /* Hello */
data 'TEST' (129, "name2") { $"576F 726C 64" };                   /* World */
data 'test' (130, "name3") { $"486F 7720 6172 6520 796F 753F" };  /* How are you? */
"""
# the same data, compiled using Rez
# $ /usr/bin/Rez testdata.rez -o compiled
# $ hexdump -v compiled/..namedfork/rsrc
TEST_RSRC_FORK = deHexStr(
    "00 00 01 00 00 00 01 22 00 00 00 22 00 00 00 64 "  # 0x00000000
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000010
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000020
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000030
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000040
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000050
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000060
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000070
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000080
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000090
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x000000A0
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x000000B0
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x000000C0
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x000000D0
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x000000E0
    "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x000000F0
    "00 00 00 05 48 65 6c 6c 6f 00 00 00 05 57 6f 72 "  # 0x00000100
    "6c 64 00 00 00 0c 48 6f 77 20 61 72 65 20 79 6f "  # 0x00000110
    "75 3f 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "  # 0x00000120
    "00 00 00 00 00 00 00 00 00 00 00 1c 00 52 00 01 "  # 0x00000130
    "54 45 53 54 00 01 00 12 74 65 73 74 00 00 00 2a "  # 0x00000140
    "00 80 00 00 00 00 00 00 00 00 00 00 00 81 00 06 "  # 0x00000150
    "00 00 00 09 00 00 00 00 00 82 00 0c 00 00 00 12 "  # 0x00000160
    "00 00 00 00 05 6e 61 6d 65 31 05 6e 61 6d 65 32 "  # 0x00000170
    "05 6e 61 6d 65 33                               "  # 0x00000180
)


class ResourceReaderTest(unittest.TestCase):
    def test_read_file(self):
        infile = BytesIO(TEST_RSRC_FORK)
        reader = ResourceReader(infile)
        resources = [res for typ in reader.keys() for res in reader[typ]]
        self.assertExpected(resources)

    def test_read_datafork(self):
        with tempfile.NamedTemporaryFile(delete=False) as tmp:
            tmp.write(TEST_RSRC_FORK)
        try:
            reader = ResourceReader(tmp.name)
            resources = [res for typ in reader.keys() for res in reader[typ]]
            reader.close()
            self.assertExpected(resources)
        finally:
            os.remove(tmp.name)

    def test_read_namedfork_rsrc(self):
        if sys.platform != "darwin":
            self.skipTest('Not supported on "%s"' % sys.platform)
        tmp = tempfile.NamedTemporaryFile(delete=False)
        tmp.close()
        try:
            with open(tmp.name + "/..namedfork/rsrc", "wb") as fork:
                fork.write(TEST_RSRC_FORK)
            reader = ResourceReader(tmp.name)
            resources = [res for typ in reader.keys() for res in reader[typ]]
            reader.close()
            self.assertExpected(resources)
        finally:
            os.remove(tmp.name)

    def assertExpected(self, resources):
        self.assertRezEqual(resources[0], "TEST", b"Hello", 128, "name1")
        self.assertRezEqual(resources[1], "TEST", b"World", 129, "name2")
        self.assertRezEqual(resources[2], "test", b"How are you?", 130, "name3")

    def assertRezEqual(self, res, type_, data, id, name):
        self.assertEqual(res.type, type_)
        self.assertEqual(res.data, data)
        self.assertEqual(res.id, id)
        self.assertEqual(res.name, name)


if __name__ == "__main__":
    sys.exit(unittest.main())