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

# Copyright (c) 2007 - 2023 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing the Ericdoc plugin.
"""

import os

from PyQt6.QtCore import QCoreApplication, QObject
from PyQt6.QtWidgets import QDialog

from eric7 import Preferences
from eric7.EricGui.EricAction import EricAction
from eric7.EricWidgets.EricApplication import ericApp
from eric7.Globals import getConfig
from eric7.SystemUtilities import (
    FileSystemUtilities,
    OSUtilities,
    PythonUtilities,
    QtUtilities,
)
from eric7.UI import Info

# Start-Of-Header
name = "Ericdoc Plugin"
author = "Detlev Offenbach <detlev@die-offenbachs.de>"
autoactivate = True
deactivateable = True
version = Info.VersionOnly
className = "EricdocPlugin"
packageName = "__core__"
shortDescription = "Show the Ericdoc dialogs."
longDescription = (
    """This plugin implements the Ericdoc dialogs."""
    """ Ericdoc is used to generate a source code documentation"""
    """ for Python and Ruby projects."""
)
pyqtApi = 2
# End-Of-Header

error = ""


def exeDisplayDataList():
    """
    Public method to support the display of some executable info.

    @return dictionary containing the data to query the presence of
        the executable
    """
    dataList = []

    # 1. eric7_doc
    exe = "eric7_doc"
    if OSUtilities.isWindowsPlatform():
        for exepath in (
            getConfig("bindir"),
            PythonUtilities.getPythonScriptsDirectory(),
        ):
            found = False
            for ext in (".exe", ".cmd", ".bat"):
                exe_ = os.path.join(exepath, exe + ext)
                if os.path.exists(exe_):
                    exe = exe_
                    found = True
                    break
            if found:
                break
    else:
        for exepath in (
            getConfig("bindir"),
            PythonUtilities.getPythonScriptsDirectory(),
        ):
            exe_ = os.path.join(exepath, exe)
            if os.path.exists(exe_):
                exe = exe_
                break

    dataList.append(
        {
            "programEntry": True,
            "header": QCoreApplication.translate(
                "EricdocPlugin", "eric Documentation Generator"
            ),
            "exe": exe,
            "versionCommand": "--version",
            "versionStartsWith": "eric7_",
            "versionPosition": -3,
            "version": "",
            "versionCleanup": None,
        }
    )

    # 2. Qt Help Generator
    # 2.1 location before 6.3 (Linux and macOS) and Windows
    exe = Preferences.getQt("QHelpGenerator")

    if not exe:
        # 2.2 location before 6.3 (Linux and macOS) and Windows
        exe = os.path.join(
            QtUtilities.getQtBinariesPath(),
            QtUtilities.generateQtToolName("qhelpgenerator"),
        )
        if OSUtilities.isWindowsPlatform():
            exe += ".exe"
        if not os.path.exists(exe):
            # 2.3 location starting with 6.3.0 (Linux and macOS)
            exe = os.path.join(
                QtUtilities.getQtBinariesPath(libexec=True),
                QtUtilities.generateQtToolName("qhelpgenerator"),
            )

    if exe:
        dataList.append(
            {
                "programEntry": True,
                "header": QCoreApplication.translate("EricdocPlugin", "Qt Help Tools"),
                "exe": exe,
                "versionCommand": "-v",
                "versionStartsWith": "Qt",
                "versionPosition": -1,
                "version": "",
                "versionCleanup": (0, -1),
            }
        )

    return dataList


class EricdocPlugin(QObject):
    """
    Class implementing the Ericdoc plugin.
    """

    def __init__(self, ui):
        """
        Constructor

        @param ui reference to the user interface object (UI.UserInterface)
        """
        super().__init__(ui)
        self.__ui = ui
        self.__initialize()

    def __initialize(self):
        """
        Private slot to (re)initialize the plugin.
        """
        self.__projectAct = None

    def activate(self):
        """
        Public method to activate this plugin.

        @return tuple of None and activation status (boolean)
        """
        menu = ericApp().getObject("Project").getMenu("Apidoc")
        if menu:
            self.__projectAct = EricAction(
                self.tr("Generate documentation (eric7_doc)"),
                self.tr("Generate &documentation (eric7_doc)"),
                0,
                0,
                self,
                "doc_eric7_doc",
            )
            self.__projectAct.setStatusTip(
                self.tr("Generate API documentation using eric7_doc")
            )
            self.__projectAct.setWhatsThis(
                self.tr(
                    """<b>Generate documentation</b>"""
                    """<p>Generate API documentation using eric7_doc.</p>"""
                )
            )
            self.__projectAct.triggered.connect(self.__doEricdoc)
            ericApp().getObject("Project").addEricActions([self.__projectAct])
            menu.addAction(self.__projectAct)

        ericApp().getObject("Project").showMenu.connect(self.__projectShowMenu)

        return None, True

    def deactivate(self):
        """
        Public method to deactivate this plugin.
        """
        ericApp().getObject("Project").showMenu.disconnect(self.__projectShowMenu)

        menu = ericApp().getObject("Project").getMenu("Apidoc")
        if menu:
            menu.removeAction(self.__projectAct)
            ericApp().getObject("Project").removeEricActions([self.__projectAct])
        self.__initialize()

    def __projectShowMenu(self, menuName, menu):
        """
        Private slot called, when the the project menu or a submenu is
        about to be shown.

        @param menuName name of the menu to be shown (string)
        @param menu reference to the menu (QMenu)
        """
        if menuName == "Apidoc" and self.__projectAct is not None:
            self.__projectAct.setEnabled(
                ericApp().getObject("Project").getProjectLanguage()
                in ["Python", "Python3", "Ruby", "MicroPython"]
            )

    def __doEricdoc(self):
        """
        Private slot to perform the eric7_doc api documentation generation.
        """
        from eric7.Plugins.DocumentationPlugins.Ericdoc.EricdocConfigDialog import (
            EricdocConfigDialog,
        )
        from eric7.Plugins.DocumentationPlugins.Ericdoc.EricdocExecDialog import (
            EricdocExecDialog,
        )

        eolTranslation = {
            "\r": "cr",
            "\n": "lf",
            "\r\n": "crlf",
        }
        project = ericApp().getObject("Project")
        parms = project.getData("DOCUMENTATIONPARMS", "ERIC4DOC")
        dlg = EricdocConfigDialog(project, parms)
        if dlg.exec() == QDialog.DialogCode.Accepted:
            args, parms, startDir = dlg.generateParameters()
            project.setData("DOCUMENTATIONPARMS", "ERIC4DOC", parms)

            if not startDir:
                startDir = project.ppath

            # add parameter for the eol setting
            if not project.useSystemEol():
                args.append("--eol={0}".format(eolTranslation[project.getEolString()]))

            # now do the call
            dia = EricdocExecDialog("Ericdoc")
            res = dia.start(args, startDir)
            if res:
                dia.exec()

            outdir = FileSystemUtilities.toNativeSeparators(parms["outputDirectory"])
            if outdir == "":
                outdir = "doc"  # that is eric7_docs default output dir

            # add it to the project data, if it isn't in already
            outdir = project.getRelativePath(outdir)
            if outdir not in project.getProjectData(dataKey="OTHERS"):
                project.setProjectData(
                    project.getProjectData(dataKey="OTHERS") + [outdir],
                    dataKey="OTHERS",
                )
                project.setDirty(True)
                project.othersAdded(outdir)

            if parms["qtHelpEnabled"]:
                outdir = FileSystemUtilities.toNativeSeparators(
                    parms["qtHelpOutputDirectory"]
                )
                if outdir == "":
                    outdir = "help"
                    # that is eric7_docs default QtHelp output dir

                # add it to the project data, if it isn't in already
                outdir = project.getRelativePath(outdir)
                if outdir not in project.getProjectData(dataKey="OTHERS"):
                    project.setProjectData(
                        project.getProjectData(dataKey="OTHERS") + [outdir],
                        dataKey="OTHERS",
                    )
                    project.setDirty(True)
                    project.othersAdded(outdir)
