"""
novelWriter – Writing Stats Dialog Class Tester
===============================================

This file is a part of novelWriter
Copyright (C) 2020 Veronica Berglyd Olsen and novelWriter contributors

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
from __future__ import annotations

import json

import pytest

from PyQt5.QtWidgets import QAction, QFileDialog

from novelwriter import SHARED
from novelwriter.constants import nwFiles
from novelwriter.tools.writingstats import GuiWritingStats
from novelwriter.types import QtMouseLeft

from tests.mocked import causeOSError
from tests.tools import buildTestProject


@pytest.mark.gui
def testToolWritingStats_Main(qtbot, monkeypatch, nwGUI, projPath, tstPaths):
    """Test the full writing stats tool."""
    # Create a project to work on
    buildTestProject(nwGUI, projPath)
    project = SHARED.project
    assert nwGUI.saveProject()
    sessFile = projPath / "meta" / nwFiles.SESS_FILE

    # Open the Writing Stats dialog
    nwGUI.mainMenu.aWritingStats.activate(QAction.ActionEvent.Trigger)
    qtbot.waitUntil(lambda: SHARED.findTopLevelWidget(GuiWritingStats) is not None, timeout=1000)

    sessLog = SHARED.findTopLevelWidget(GuiWritingStats)
    assert isinstance(sessLog, GuiWritingStats)

    # Test Loading
    # ============

    # No initial logfile
    assert not sessFile.is_file()
    assert list(project.session.iterRecords()) == []

    # Make an invalid logfile
    data = (
        '{"type": "initial", "offset": 123}\n'
        '{"type": "record", "start": "foo", "end": "bar", "novel": 840, "notes": 376, "idle": 394}'
    )
    sessFile.write_text(data, encoding="utf-8")
    sessLog._loadLogFile()
    assert sessLog.wordOffset == 123
    assert len(sessLog.logData) == 0

    # Make a test log file
    data = [
        project.session.createInitial(123),
        project.session.createRecord("2020-01-01 21:00:00", "2020-01-01 21:00:05", 6, 0, 0),
        project.session.createRecord("2020-01-03 21:00:00", "2020-01-03 21:00:15", 125, 0, 0),
        project.session.createRecord("2020-01-03 21:30:00", "2020-01-03 21:30:15", 125, 5, 0),
        project.session.createRecord("2020-01-06 21:00:00", "2020-01-06 21:00:10", 125, 5, 0),
    ]
    sessFile.write_text("".join(data), encoding="utf-8")
    sessLog._loadLogFile()
    assert sessLog.wordOffset == 123
    assert len(sessLog.logData) == 4


@pytest.mark.gui
def testToolWritingStats_Export(qtbot, monkeypatch, nwGUI, projPath, tstPaths):
    """Test the export feature."""
    monkeypatch.setattr(QFileDialog, "getSaveFileName", lambda ss, tt, pp, options: (pp, ""))

    buildTestProject(nwGUI, projPath)
    project = SHARED.project
    assert nwGUI.saveProject()
    sessFile = projPath / "meta" / nwFiles.SESS_FILE
    sessLog = GuiWritingStats(nwGUI)

    data = [
        project.session.createInitial(1075),
        project.session.createRecord("2021-01-31 19:00:00", "2021-01-31 19:30:00", 700, 375, 0),
        project.session.createRecord("2021-02-01 19:00:00", "2021-02-01 19:30:00", 700, 375, 10),
        project.session.createRecord("2021-02-01 20:00:00", "2021-02-01 20:30:00", 600, 275, 20),
        project.session.createRecord("2021-02-02 19:00:00", "2021-02-02 19:30:00", 750, 425, 30),
        project.session.createRecord("2021-02-02 20:00:00", "2021-02-02 20:30:00", 690, 365, 40),
        project.session.createRecord("2021-02-03 19:00:00", "2021-02-03 19:30:00", 680, 355, 50),
        project.session.createRecord("2021-02-04 19:00:00", "2021-02-04 19:30:00", 700, 375, 60),
        project.session.createRecord("2021-02-05 19:00:00", "2021-02-05 19:30:00", 500, 175, 70),
        project.session.createRecord("2021-02-06 19:00:00", "2021-02-06 19:30:00", 600, 275, 80),
        project.session.createRecord("2021-02-07 19:00:00", "2021-02-07 19:30:00", 600, 275, 90),
    ]
    sessFile.write_text("".join(data), encoding="utf-8")
    sessLog.populateGUI()

    # Make the saving fail
    with monkeypatch.context() as mp:
        mp.setattr(QFileDialog, "getSaveFileName", lambda *a, **k: ("", ""))
        assert not sessLog._saveData(sessLog.FMT_CSV)
        assert not sessLog._saveData(sessLog.FMT_JSON)
        assert not sessLog._saveData(None)  # type: ignore

    # Sort by time
    sessLog.listBox.sortByColumn(sessLog.C_TIME, 0)  # type: ignore

    assert sessLog.novelWords.text() == "{:n}".format(600)
    assert sessLog.notesWords.text() == "{:n}".format(275)
    assert sessLog.totalWords.text() == "{:n}".format(875)

    assert sessLog.listBox.topLevelItem(0).text(sessLog.C_COUNT) == "{:n}".format(1)
    assert sessLog.listBox.topLevelItem(1).text(sessLog.C_COUNT) == "{:n}".format(-200)
    assert sessLog.listBox.topLevelItem(2).text(sessLog.C_COUNT) == "{:n}".format(300)
    assert sessLog.listBox.topLevelItem(3).text(sessLog.C_COUNT) == "{:n}".format(-120)
    assert sessLog.listBox.topLevelItem(4).text(sessLog.C_COUNT) == "{:n}".format(-20)
    assert sessLog.listBox.topLevelItem(5).text(sessLog.C_COUNT) == "{:n}".format(40)
    assert sessLog.listBox.topLevelItem(6).text(sessLog.C_COUNT) == "{:n}".format(-400)
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_COUNT) == "{:n}".format(200)

    assert sessLog._saveData(sessLog.FMT_CSV)
    assert sessLog._saveData(sessLog.FMT_JSON)

    # Check the exported files
    jsonStats = tstPaths.tmpDir / "sessionStats.json"
    with open(jsonStats, mode="r", encoding="utf-8") as inFile:
        jsonData = json.load(inFile)

    assert jsonData == [
        {
            "date": "2021-01-31 19:00:00", "length": 1800.0,
            "newWords": 1, "novelWords": 700, "noteWords": 375, "idleTime": 0
        }, {
            "date": "2021-02-01 20:00:00", "length": 1800.0,
            "newWords": -200, "novelWords": 600, "noteWords": 275, "idleTime": 20
        }, {
            "date": "2021-02-02 19:00:00", "length": 1800.0,
            "newWords": 300, "novelWords": 750, "noteWords": 425, "idleTime": 30
        }, {
            "date": "2021-02-02 20:00:00", "length": 1800.0,
            "newWords": -120, "novelWords": 690, "noteWords": 365, "idleTime": 40
        }, {
            "date": "2021-02-03 19:00:00", "length": 1800.0,
            "newWords": -20, "novelWords": 680, "noteWords": 355, "idleTime": 50
        }, {
            "date": "2021-02-04 19:00:00", "length": 1800.0,
            "newWords": 40, "novelWords": 700, "noteWords": 375, "idleTime": 60
        }, {
            "date": "2021-02-05 19:00:00", "length": 1800.0,
            "newWords": -400, "novelWords": 500, "noteWords": 175, "idleTime": 70
        }, {
            "date": "2021-02-06 19:00:00", "length": 1800.0,
            "newWords": 200, "novelWords": 600, "noteWords": 275, "idleTime": 80
        }
    ]

    # I/O Error
    with monkeypatch.context() as mp:
        mp.setattr("builtins.open", causeOSError)
        assert not sessLog._loadLogFile()
        assert not sessLog._saveData(sessLog.FMT_CSV)


@pytest.mark.gui
def testToolWritingStats_Filters(qtbot, monkeypatch, nwGUI, projPath, tstPaths):
    """Test the filters."""
    monkeypatch.setattr(QFileDialog, "getSaveFileName", lambda ss, tt, pp, options: (pp, ""))

    buildTestProject(nwGUI, projPath)
    project = SHARED.project
    assert nwGUI.saveProject()
    sessFile = projPath / "meta" / nwFiles.SESS_FILE
    sessLog = GuiWritingStats(nwGUI)

    data = [
        project.session.createInitial(1075),
        project.session.createRecord("2021-01-31 19:00:00", "2021-01-31 19:30:00", 700, 375, 0),
        project.session.createRecord("2021-02-01 19:00:00", "2021-02-01 19:30:00", 700, 375, 10),
        project.session.createRecord("2021-02-01 20:00:00", "2021-02-01 20:30:00", 600, 275, 20),
        project.session.createRecord("2021-02-02 19:00:00", "2021-02-02 19:30:00", 750, 425, 30),
        project.session.createRecord("2021-02-02 20:00:00", "2021-02-02 20:30:00", 690, 365, 40),
        project.session.createRecord("2021-02-03 19:00:00", "2021-02-03 19:30:00", 680, 355, 50),
        project.session.createRecord("2021-02-04 19:00:00", "2021-02-04 19:30:00", 700, 375, 60),
        project.session.createRecord("2021-02-05 19:00:00", "2021-02-05 19:30:00", 500, 175, 70),
        project.session.createRecord("2021-02-06 19:00:00", "2021-02-06 19:30:00", 600, 275, 80),
        project.session.createRecord("2021-02-07 19:00:00", "2021-02-07 19:30:00", 600, 275, 90),
    ]
    sessFile.write_text("".join(data), encoding="utf-8")
    sessLog.populateGUI()
    sessLog.listBox.sortByColumn(sessLog.C_TIME, 0)  # type: ignore

    assert sessLog.listBox.topLevelItem(0).text(sessLog.C_COUNT) == "{:n}".format(1)
    assert sessLog.listBox.topLevelItem(1).text(sessLog.C_COUNT) == "{:n}".format(-200)
    assert sessLog.listBox.topLevelItem(2).text(sessLog.C_COUNT) == "{:n}".format(300)
    assert sessLog.listBox.topLevelItem(3).text(sessLog.C_COUNT) == "{:n}".format(-120)
    assert sessLog.listBox.topLevelItem(4).text(sessLog.C_COUNT) == "{:n}".format(-20)
    assert sessLog.listBox.topLevelItem(5).text(sessLog.C_COUNT) == "{:n}".format(40)
    assert sessLog.listBox.topLevelItem(6).text(sessLog.C_COUNT) == "{:n}".format(-400)
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_COUNT) == "{:n}".format(200)

    # No Novel Files
    qtbot.mouseClick(sessLog.incNovel, QtMouseLeft)
    assert sessLog._saveData(sessLog.FMT_JSON)

    jsonStats = tstPaths.tmpDir / "sessionStats.json"
    with open(jsonStats, mode="r", encoding="utf-8") as inFile:
        jsonData = json.loads(inFile.read())

    assert sessLog.listBox.topLevelItem(0).text(sessLog.C_COUNT) == "{:n}".format(1)
    assert sessLog.listBox.topLevelItem(1).text(sessLog.C_COUNT) == "{:n}".format(-100)
    assert sessLog.listBox.topLevelItem(2).text(sessLog.C_COUNT) == "{:n}".format(150)
    assert sessLog.listBox.topLevelItem(3).text(sessLog.C_COUNT) == "{:n}".format(-60)
    assert sessLog.listBox.topLevelItem(4).text(sessLog.C_COUNT) == "{:n}".format(-10)
    assert sessLog.listBox.topLevelItem(5).text(sessLog.C_COUNT) == "{:n}".format(20)
    assert sessLog.listBox.topLevelItem(6).text(sessLog.C_COUNT) == "{:n}".format(-200)
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_COUNT) == "{:n}".format(100)

    assert jsonData == [
        {
            "date": "2021-01-31 19:00:00", "length": 1800.0,
            "newWords": 1, "novelWords": 700, "noteWords": 375, "idleTime": 0
        }, {
            "date": "2021-02-01 20:00:00", "length": 1800.0,
            "newWords": -100, "novelWords": 600, "noteWords": 275, "idleTime": 20
        }, {
            "date": "2021-02-02 19:00:00", "length": 1800.0,
            "newWords": 150, "novelWords": 750, "noteWords": 425, "idleTime": 30
        }, {
            "date": "2021-02-02 20:00:00", "length": 1800.0,
            "newWords": -60, "novelWords": 690, "noteWords": 365, "idleTime": 40
        }, {
            "date": "2021-02-03 19:00:00", "length": 1800.0,
            "newWords": -10, "novelWords": 680, "noteWords": 355, "idleTime": 50
        }, {
            "date": "2021-02-04 19:00:00", "length": 1800.0,
            "newWords": 20, "novelWords": 700, "noteWords": 375, "idleTime": 60
        }, {
            "date": "2021-02-05 19:00:00", "length": 1800.0,
            "newWords": -200, "novelWords": 500, "noteWords": 175, "idleTime": 70
        }, {
            "date": "2021-02-06 19:00:00", "length": 1800.0,
            "newWords": 100, "novelWords": 600, "noteWords": 275, "idleTime": 80
        }
    ]

    # No Note Files
    qtbot.mouseClick(sessLog.incNovel, QtMouseLeft)
    qtbot.mouseClick(sessLog.incNotes, QtMouseLeft)
    assert sessLog._saveData(sessLog.FMT_JSON)

    jsonStats = tstPaths.tmpDir / "sessionStats.json"
    with open(jsonStats, mode="r", encoding="utf-8") as inFile:
        jsonData = json.load(inFile)

    assert sessLog.listBox.topLevelItem(0).text(sessLog.C_COUNT) == "{:n}".format(1)
    assert sessLog.listBox.topLevelItem(1).text(sessLog.C_COUNT) == "{:n}".format(-100)
    assert sessLog.listBox.topLevelItem(2).text(sessLog.C_COUNT) == "{:n}".format(150)
    assert sessLog.listBox.topLevelItem(3).text(sessLog.C_COUNT) == "{:n}".format(-60)
    assert sessLog.listBox.topLevelItem(4).text(sessLog.C_COUNT) == "{:n}".format(-10)
    assert sessLog.listBox.topLevelItem(5).text(sessLog.C_COUNT) == "{:n}".format(20)
    assert sessLog.listBox.topLevelItem(6).text(sessLog.C_COUNT) == "{:n}".format(-200)
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_COUNT) == "{:n}".format(100)

    assert jsonData == [
        {
            "date": "2021-01-31 19:00:00", "length": 1800.0,
            "newWords": 1, "novelWords": 700, "noteWords": 375, "idleTime": 0
        }, {
            "date": "2021-02-01 20:00:00", "length": 1800.0,
            "newWords": -100, "novelWords": 600, "noteWords": 275, "idleTime": 20
        }, {
            "date": "2021-02-02 19:00:00", "length": 1800.0,
            "newWords": 150, "novelWords": 750, "noteWords": 425, "idleTime": 30
        }, {
            "date": "2021-02-02 20:00:00", "length": 1800.0,
            "newWords": -60, "novelWords": 690, "noteWords": 365, "idleTime": 40
        }, {
            "date": "2021-02-03 19:00:00", "length": 1800.0,
            "newWords": -10, "novelWords": 680, "noteWords": 355, "idleTime": 50
        }, {
            "date": "2021-02-04 19:00:00", "length": 1800.0,
            "newWords": 20, "novelWords": 700, "noteWords": 375, "idleTime": 60
        }, {
            "date": "2021-02-05 19:00:00", "length": 1800.0,
            "newWords": -200, "novelWords": 500, "noteWords": 175, "idleTime": 70
        }, {
            "date": "2021-02-06 19:00:00", "length": 1800.0,
            "newWords": 100, "novelWords": 600, "noteWords": 275, "idleTime": 80
        }
    ]

    # No Negative Entries
    qtbot.mouseClick(sessLog.incNotes, QtMouseLeft)
    qtbot.mouseClick(sessLog.hideNegative, QtMouseLeft)
    assert sessLog._saveData(sessLog.FMT_JSON)

    jsonStats = tstPaths.tmpDir / "sessionStats.json"
    with open(jsonStats, mode="r", encoding="utf-8") as inFile:
        jsonData = json.load(inFile)

    assert sessLog.listBox.topLevelItem(0).text(sessLog.C_COUNT) == "{:n}".format(1)
    assert sessLog.listBox.topLevelItem(1).text(sessLog.C_COUNT) == "{:n}".format(300)
    assert sessLog.listBox.topLevelItem(2).text(sessLog.C_COUNT) == "{:n}".format(40)
    assert sessLog.listBox.topLevelItem(3).text(sessLog.C_COUNT) == "{:n}".format(200)

    assert jsonData == [
        {
            "date": "2021-01-31 19:00:00", "length": 1800.0,
            "newWords": 1, "novelWords": 700, "noteWords": 375, "idleTime": 0
        }, {
            "date": "2021-02-02 19:00:00", "length": 1800.0,
            "newWords": 300, "novelWords": 750, "noteWords": 425, "idleTime": 30
        }, {
            "date": "2021-02-04 19:00:00", "length": 1800.0,
            "newWords": 40, "novelWords": 700, "noteWords": 375, "idleTime": 60
        }, {
            "date": "2021-02-06 19:00:00", "length": 1800.0,
            "newWords": 200, "novelWords": 600, "noteWords": 275, "idleTime": 80
        }
    ]

    # Un-hide Zero Entries
    qtbot.mouseClick(sessLog.hideNegative, QtMouseLeft)
    qtbot.mouseClick(sessLog.hideZeros, QtMouseLeft)
    assert sessLog._saveData(sessLog.FMT_JSON)

    jsonStats = tstPaths.tmpDir / "sessionStats.json"
    with open(jsonStats, mode="r", encoding="utf-8") as inFile:
        jsonData = json.load(inFile)

    assert sessLog.listBox.topLevelItem(0).text(sessLog.C_COUNT) == "{:n}".format(1)
    assert sessLog.listBox.topLevelItem(1).text(sessLog.C_COUNT) == "{:n}".format(0)
    assert sessLog.listBox.topLevelItem(2).text(sessLog.C_COUNT) == "{:n}".format(-200)
    assert sessLog.listBox.topLevelItem(3).text(sessLog.C_COUNT) == "{:n}".format(300)
    assert sessLog.listBox.topLevelItem(4).text(sessLog.C_COUNT) == "{:n}".format(-120)
    assert sessLog.listBox.topLevelItem(5).text(sessLog.C_COUNT) == "{:n}".format(-20)
    assert sessLog.listBox.topLevelItem(6).text(sessLog.C_COUNT) == "{:n}".format(40)
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_COUNT) == "{:n}".format(-400)
    assert sessLog.listBox.topLevelItem(8).text(sessLog.C_COUNT) == "{:n}".format(200)
    assert sessLog.listBox.topLevelItem(9).text(sessLog.C_COUNT) == "{:n}".format(0)

    assert jsonData == [
        {
            "date": "2021-01-31 19:00:00", "length": 1800.0,
            "newWords": 1, "novelWords": 700, "noteWords": 375, "idleTime": 0
        }, {
            "date": "2021-02-01 19:00:00", "length": 1800.0,
            "newWords": 0, "novelWords": 700, "noteWords": 375, "idleTime": 10
        }, {
            "date": "2021-02-01 20:00:00", "length": 1800.0,
            "newWords": -200, "novelWords": 600, "noteWords": 275, "idleTime": 20
        }, {
            "date": "2021-02-02 19:00:00", "length": 1800.0,
            "newWords": 300, "novelWords": 750, "noteWords": 425, "idleTime": 30
        }, {
            "date": "2021-02-02 20:00:00", "length": 1800.0,
            "newWords": -120, "novelWords": 690, "noteWords": 365, "idleTime": 40
        }, {
            "date": "2021-02-03 19:00:00", "length": 1800.0,
            "newWords": -20, "novelWords": 680, "noteWords": 355, "idleTime": 50
        }, {
            "date": "2021-02-04 19:00:00", "length": 1800.0,
            "newWords": 40, "novelWords": 700, "noteWords": 375, "idleTime": 60
        }, {
            "date": "2021-02-05 19:00:00", "length": 1800.0,
            "newWords": -400, "novelWords": 500, "noteWords": 175, "idleTime": 70
        }, {
            "date": "2021-02-06 19:00:00", "length": 1800.0,
            "newWords": 200, "novelWords": 600, "noteWords": 275, "idleTime": 80
        }, {
            "date": "2021-02-07 19:00:00", "length": 1800.0,
            "newWords": 0, "novelWords": 600, "noteWords": 275, "idleTime": 90
        }
    ]

    # Toggle Idle Time
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_IDLE) == "4 %"
    qtbot.mouseClick(sessLog.showIdleTime, QtMouseLeft)
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_IDLE) == "00:01:10"

    # Group by Day
    qtbot.mouseClick(sessLog.groupByDay, QtMouseLeft)
    assert sessLog._saveData(sessLog.FMT_JSON)

    jsonStats = tstPaths.tmpDir / "sessionStats.json"
    with open(jsonStats, mode="r", encoding="utf-8") as inFile:
        jsonData = json.load(inFile)

    assert sessLog.listBox.topLevelItem(0).text(sessLog.C_COUNT) == "{:n}".format(1)
    assert sessLog.listBox.topLevelItem(1).text(sessLog.C_COUNT) == "{:n}".format(-200)
    assert sessLog.listBox.topLevelItem(2).text(sessLog.C_COUNT) == "{:n}".format(180)
    assert sessLog.listBox.topLevelItem(3).text(sessLog.C_COUNT) == "{:n}".format(-20)
    assert sessLog.listBox.topLevelItem(4).text(sessLog.C_COUNT) == "{:n}".format(40)
    assert sessLog.listBox.topLevelItem(5).text(sessLog.C_COUNT) == "{:n}".format(-400)
    assert sessLog.listBox.topLevelItem(6).text(sessLog.C_COUNT) == "{:n}".format(200)
    assert sessLog.listBox.topLevelItem(7).text(sessLog.C_COUNT) == "{:n}".format(0)

    assert jsonData == [
        {
            "date": "2021-01-31", "length": 1800.0,
            "newWords": 1, "novelWords": 700, "noteWords": 375, "idleTime": 0
        }, {
            "date": "2021-02-01", "length": 3600.0,
            "newWords": -200, "novelWords": 600, "noteWords": 275, "idleTime": 30
        }, {
            "date": "2021-02-02", "length": 3600.0,
            "newWords": 180, "novelWords": 690, "noteWords": 365, "idleTime": 70
        }, {
            "date": "2021-02-03", "length": 1800.0,
            "newWords": -20, "novelWords": 680, "noteWords": 355, "idleTime": 50
        }, {
            "date": "2021-02-04", "length": 1800.0,
            "newWords": 40, "novelWords": 700, "noteWords": 375, "idleTime": 60
        }, {
            "date": "2021-02-05", "length": 1800.0,
            "newWords": -400, "novelWords": 500, "noteWords": 175, "idleTime": 70
        }, {
            "date": "2021-02-06", "length": 1800.0,
            "newWords": 200, "novelWords": 600, "noteWords": 275, "idleTime": 80
        }, {
            "date": "2021-02-07", "length": 1800.0,
            "newWords": 0, "novelWords": 600, "noteWords": 275, "idleTime": 90
        }
    ]

    # qtbot.stop()

    sessLog._doClose()
    nwGUI.closeProject()