# -*- coding: utf-8 -*-

# Copyright (c) 2006 - 2023 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing some common utility functions for the pysvn package.
"""

import contextlib
import os

from PyQt6.QtCore import QDateTime, Qt

from eric7.SystemUtilities import OSUtilities

from .Config import DefaultConfig, DefaultIgnores


def formatTime(seconds):
    """
    Module function to return a formatted time string.

    @param seconds time in seconds since epoch to be formatted (float or long)
    @return formatted time string (string)
    """
    return (
        QDateTime.fromSecsSinceEpoch(int(seconds))
        .toTimeSpec(Qt.TimeSpec.LocalTime)
        .toString("yyyy-MM-dd hh:mm:ss")
    )


def dateFromTime_t(seconds):
    """
    Module function to return the date.

    @param seconds time in seconds since epoch to be formatted (float or long)
    @return date (QDate)
    """
    return (
        QDateTime.fromSecsSinceEpoch(int(seconds))
        .toTimeSpec(Qt.TimeSpec.LocalTime)
        .date()
    )


def getServersPath():
    """
    Module function to get the filename of the servers file.

    @return filename of the servers file (string)
    """
    if OSUtilities.isWindowsPlatform():
        appdata = os.environ["APPDATA"]
        return os.path.join(appdata, "Subversion", "servers")
    else:
        homedir = OSUtilities.getHomeDir()
        return os.path.join(homedir, ".subversion", "servers")


def getConfigPath():
    """
    Module function to get the filename of the config file.

    @return filename of the config file (string)
    """
    if OSUtilities.isWindowsPlatform():
        appdata = os.environ["APPDATA"]
        return os.path.join(appdata, "Subversion", "config")
    else:
        homedir = OSUtilities.getHomeDir()
        return os.path.join(homedir, ".subversion", "config")


def createDefaultConfig():
    """
    Module function to create a default config file suitable for eric.
    """
    config = getConfigPath()
    with contextlib.suppress(OSError):
        os.makedirs(os.path.dirname(config))
    with contextlib.suppress(OSError), open(config, "w") as f:
        f.write(DefaultConfig)


def amendConfig():
    """
    Module function to amend the config file.
    """
    config = getConfigPath()
    try:
        with open(config, "r") as f:
            configList = f.read().splitlines()
    except OSError:
        return

    newConfig = []
    ignoresFound = False
    amendList = []
    for line in configList:
        if line.find("global-ignores") in [0, 2]:
            ignoresFound = True
            if line.startswith("# "):
                line = line[2:]
            newConfig.append(line)
            for amend in DefaultIgnores:
                if amend not in line:
                    amendList.append(amend)
        elif ignoresFound:
            if line.startswith("##"):
                ignoresFound = False
                if amendList:
                    newConfig.append("  " + " ".join(amendList))
                newConfig.append(line)
                continue
            elif line.startswith("# "):
                line = line[2:]
            newConfig.append(line)
            oldAmends = amendList[:]
            amendList = []
            for amend in oldAmends:
                if amend not in line:
                    amendList.append(amend)
        else:
            newConfig.append(line)

    if newConfig != configList:
        with contextlib.suppress(OSError), open(config, "w") as f:
            f.write("\n".join(newConfig))
