import os
import sys
from enum import Enum

# Colors are disabled in non-TTY environments such as pipes. This means
# that if output is redirected to a file, it won't contain color codes.
# Colors are always enabled on continuous integration.
_colorize = bool(sys.stdout.isatty() or os.environ.get("CI"))


class ANSI(Enum):
    """
    Enum class for adding ansi colorcodes directly into strings.
    Automatically converts values to strings representing their
    internal value, or an empty string in a non-colorized scope.
    """

    GRAY = "\x1b[0;30m"
    RED = "\x1b[0;31m"
    GREEN = "\x1b[0;32m"
    YELLOW = "\x1b[0;33m"
    BLUE = "\x1b[0;34m"
    PURPLE = "\x1b[0;35m"
    CYAN = "\x1b[0;36m"
    WHITE = "\x1b[0;37m"

    BOLD_GRAY = "\x1b[1;90m"
    BOLD_RED = "\x1b[1;91m"
    BOLD_GREEN = "\x1b[1;92m"
    BOLD_YELLOW = "\x1b[1;93m"
    BOLD_BLUE = "\x1b[1;94m"
    BOLD_PURPLE = "\x1b[1;95m"
    BOLD_CYAN = "\x1b[1;96m"
    BOLD_WHITE = "\x1b[1;97m"

    RESET = "\x1b[0m"

    def __str__(self):
        global _colorize
        return self.value if _colorize else ""


def no_verbose(env):
    colors = [ANSI.BLUE, ANSI.BOLD_BLUE, ANSI.RESET]

    # There is a space before "..." to ensure that source file names can be
    # Ctrl + clicked in the VS Code terminal.
    compile_source_message = "{0}Compiling {1}$SOURCE{0} ...{2}".format(*colors)
    java_compile_source_message = "{0}Compiling {1}$SOURCE{0} ...{2}".format(*colors)
    compile_shared_source_message = "{0}Compiling shared {1}$SOURCE{0} ...{2}".format(*colors)
    link_program_message = "{0}Linking Program {1}$TARGET{0} ...{2}".format(*colors)
    link_library_message = "{0}Linking Static Library {1}$TARGET{0} ...{2}".format(*colors)
    ranlib_library_message = "{0}Ranlib Library {1}$TARGET{0} ...{2}".format(*colors)
    link_shared_library_message = "{0}Linking Shared Library {1}$TARGET{0} ...{2}".format(*colors)
    java_library_message = "{0}Creating Java Archive {1}$TARGET{0} ...{2}".format(*colors)
    compiled_resource_message = "{0}Creating Compiled Resource {1}$TARGET{0} ...{2}".format(*colors)
    generated_file_message = "{0}Generating {1}$TARGET{0} ...{2}".format(*colors)

    env.Append(CXXCOMSTR=compile_source_message)
    env.Append(CCCOMSTR=compile_source_message)
    env.Append(SHCCCOMSTR=compile_shared_source_message)
    env.Append(SHCXXCOMSTR=compile_shared_source_message)
    env.Append(ARCOMSTR=link_library_message)
    env.Append(RANLIBCOMSTR=ranlib_library_message)
    env.Append(SHLINKCOMSTR=link_shared_library_message)
    env.Append(LINKCOMSTR=link_program_message)
    env.Append(JARCOMSTR=java_library_message)
    env.Append(JAVACCOMSTR=java_compile_source_message)
    env.Append(RCCOMSTR=compiled_resource_message)
    env.Append(GENCOMSTR=generated_file_message)


def disable_warnings(self):
    # 'self' is the environment
    if self["platform"] == "windows" and not self["use_mingw"]:
        # We have to remove existing warning level defines before appending /w,
        # otherwise we get: "warning D9025 : overriding '/W3' with '/w'"
        warn_flags = ["/Wall", "/W4", "/W3", "/W2", "/W1", "/WX"]
        self.Append(CCFLAGS=["/w"])
        self.Append(CFLAGS=["/w"])
        self.Append(CXXFLAGS=["/w"])
        self["CCFLAGS"] = [x for x in self["CCFLAGS"] if not x in warn_flags]
        self["CFLAGS"] = [x for x in self["CFLAGS"] if not x in warn_flags]
        self["CXXFLAGS"] = [x for x in self["CXXFLAGS"] if not x in warn_flags]
    else:
        self.Append(CCFLAGS=["-w"])
        self.Append(CFLAGS=["-w"])
        self.Append(CXXFLAGS=["-w"])


def make_icu_data(target, source, env):
    dst = target[0].srcnode().abspath
    with open(dst, "w", encoding="utf-8", newline="\n") as g:
        g.write("/* THIS FILE IS GENERATED DO NOT EDIT */\n")
        g.write("/* (C) 2016 and later: Unicode, Inc. and others. */\n")
        g.write("/* License & terms of use: https://www.unicode.org/copyright.html */\n")
        g.write("#ifndef _ICU_DATA_H\n")
        g.write("#define _ICU_DATA_H\n")
        g.write('#include "unicode/utypes.h"\n')
        g.write('#include "unicode/udata.h"\n')
        g.write('#include "unicode/uversion.h"\n')

        with open(source[0].srcnode().abspath, "rb") as f:
            buf = f.read()

        g.write('extern "C" U_EXPORT const size_t U_ICUDATA_SIZE = ' + str(len(buf)) + ";\n")
        g.write('extern "C" U_EXPORT const unsigned char U_ICUDATA_ENTRY_POINT[] = {\n')
        for i in range(len(buf)):
            g.write("\t" + str(buf[i]) + ",\n")

        g.write("};\n")
        g.write("#endif")


def write_macos_plist(target, binary_name, identifier, name):
    os.makedirs(f"{target}/Resource/", exist_ok=True)
    with open(f"{target}/Resource/Info.plist", "w", encoding="utf-8", newline="\n") as f:
        f.write(f'<?xml version="1.0" encoding="UTF-8"?>\n')
        f.write(
            f'<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'
        )
        f.write(f'<plist version="1.0">\n')
        f.write(f"<dict>\n")
        f.write(f"\t<key>CFBundleExecutable</key>\n")
        f.write(f"\t<string>{binary_name}</string>\n")
        f.write(f"\t<key>CFBundleIdentifier</key>\n")
        f.write(f"\t<string>{identifier}</string>\n")
        f.write(f"\t<key>CFBundleInfoDictionaryVersion</key>\n")
        f.write(f"\t<string>6.0</string>\n")
        f.write(f"\t<key>CFBundleName</key>\n")
        f.write(f"\t<string>{name}</string>\n")
        f.write(f"\t<key>CFBundlePackageType</key>\n")
        f.write(f"\t<string>FMWK</string>\n")
        f.write(f"\t<key>CFBundleShortVersionString</key>\n")
        f.write(f"\t<string>1.0.0</string>\n")
        f.write(f"\t<key>CFBundleSupportedPlatforms</key>\n")
        f.write(f"\t<array>\n")
        f.write(f"\t\t<string>MacOSX</string>\n")
        f.write(f"\t</array>\n")
        f.write(f"\t<key>CFBundleVersion</key>\n")
        f.write(f"\t<string>1.0.0</string>\n")
        f.write(f"\t<key>LSMinimumSystemVersion</key>\n")
        f.write(f"\t<string>10.14</string>\n")
        f.write(f"</dict>\n")
        f.write(f"</plist>\n")