import os
import logging
import tempfile

from queue import Queue
from tools import trace, timer, logger_exception

from View.Tools.PamhyrWindow import PamhyrDialog, PamhyrWindow

from PyQt5.QtGui import (
    QKeySequence,
)

from PyQt5.QtCore import (
    Qt, QVariant, QAbstractTableModel,
    QCoreApplication, QModelIndex, pyqtSlot,
    QRect, QTimer, QProcess,
)

from PyQt5.QtWidgets import (
    QDialogButtonBox, QPushButton, QLineEdit,
    QFileDialog, QTableView, QAbstractItemView,
    QUndoStack, QShortcut, QAction, QItemDelegate,
    QComboBox, QVBoxLayout, QHeaderView, QTabWidget,
    QTextEdit,
)

from View.WaitingDialog import WaitingDialog

_translate = QCoreApplication.translate

logger = logging.getLogger()



class CompareSolversWindow(PamhyrDialog):
    _pamhyr_ui = "CompareSolvers"
    _pamhyr_name = "Compare solvers"

    def __init__(self, study=None, config=None,
                 parent=None):
        self._solver1 = None
        self._solver2 = None

        name = _translate("Solver", "Compare solvers")
        super(CompareSolversWindow, self).__init__(
            title=name,
            study=study,
            config=config,
            options=[],
            parent=parent
        )

        self.setup_solvers()
        self.setup_connections()
        self.select_last_solver()

    def setup_solvers(self):
        solvers = self._config.solvers
        solvers_name = list(
            map(
                self._format_solver_name,
                solvers
            )
        )

        self.combobox_add_items("comboBox1", solvers_name)
        self.combobox_add_items("comboBox2", solvers_name)

    def setup_connections(self):
        self.find(QPushButton, "pushButton_ok").clicked.connect(self.accept)
        self.find(QPushButton, "pushButton_cancel")\
            .clicked.connect(self.reject)

    def select_last_solver(self):
        solvers = self._config.solvers
        last = self._config.last_solver_name

        solver = list(
            filter(
                lambda s: s.name == last,
                solvers
            )
        )

        if len(solver) != 0:
            self.set_combobox_text(
                "comboBox1",
                self._format_solver_name(solver[0])
            )

    def _format_solver_name(self, solver):
        return f"{solver.name} - ({solver._type})"

    @property
    def solver1(self):
        return self._solver1

    @property
    def solver2(self):
        return self._solver2

    def accept(self):
        solver_name1 = self.get_combobox_text("comboBox1")
        solver_name1 = solver_name1.rsplit(" - ", 1)[0]

        self._solver1 = next(
            filter(
                lambda s: s.name == solver_name1,
                self._config.solvers
            )
        )
        solver_name2 = self.get_combobox_text("comboBox2")
        solver_name2 = solver_name2.rsplit(" - ", 1)[0]

        self._solver2 = next(
            filter(
                lambda s: s.name == solver_name2,
                self._config.solvers
            )
        )

        super(CompareSolversWindow, self).accept()


class CompareScenariosWindow(PamhyrDialog):
    _pamhyr_ui = "CompareScenarios"
    _pamhyr_name = "Compare scenarios"

    def __init__(self, study=None, config=None,
                 parent=None):
        self._solver1 = None
        self._solver2 = None
        self._scenario1 = None
        self._scenario2 = None

        name = _translate("Solver", "Compare solvers")
        super(CompareScenariosWindow, self).__init__(
            title=name,
            study=study,
            config=config,
            options=[],
            parent=parent
        )

        self.setup_solvers()
        self.setup_scenarios()
        self.setup_connections()
        self.select_last_solver()

    def setup_solvers(self):
        solvers = self._config.solvers
        solvers_name = list(
            map(
                self._format_solver_name, solvers
            )
        )

        self.combobox_add_items("comboBoxSolver1", solvers_name)
        self.combobox_add_items("comboBoxSolver2", solvers_name)

    def setup_scenarios(self):
        scenarios = self._study.scenarios.lst
        scenarios_name = list(
            map(
                lambda s : s.name, scenarios
            )
        )

        self.combobox_add_items("comboBoxScenario1", scenarios_name)
        self.combobox_add_items("comboBoxScenario2", scenarios_name)

    def setup_connections(self):
        self.find(QPushButton, "pushButton_ok").clicked.connect(self.accept)
        self.find(QPushButton, "pushButton_cancel")\
            .clicked.connect(self.reject)

    def select_last_solver(self):
        solvers = self._config.solvers
        last = self._config.last_solver_name

        solver = list(
            filter(
                lambda s: s.name == last,
                solvers
            )
        )

        if len(solver) != 0:
            self.set_combobox_text(
                "comboBoxSolver1",
                self._format_solver_name(solver[0])
            )
            self.set_combobox_text(
                "comboBoxSolver2",
                self._format_solver_name(solver[0])
            )

    def _format_solver_name(self, solver):
        return f"{solver.name} - ({solver._type})"

    @property
    def solver1(self):
        return self._solver1

    @property
    def solver2(self):
        return self._solver2

    @property
    def scenario1(self):
        return self._scenario1

    @property
    def scenario2(self):
        return self._scenario2

    def accept(self):
        solver_name1 = self.get_combobox_text("comboBoxSolver1")
        solver_name1 = solver_name1.rsplit(" - ", 1)[0]
        self._solver1 = next(
            filter(
                lambda s: s.name == solver_name1,
                self._config.solvers
            )
        )

        solver_name2 = self.get_combobox_text("comboBoxSolver2")
        solver_name2 = solver_name2.rsplit(" - ", 1)[0]
        self._solver2 = next(
            filter(
                lambda s: s.name == solver_name2,
                self._config.solvers
            )
        )

        scenario_name1 = self.get_combobox_text("comboBoxScenario1")
        self._scenario1 = next(
            filter(
                lambda s: s.name == scenario_name1,
                self._study.scenarios
            )
        )

        scenario_name2 = self.get_combobox_text("comboBoxScenario2")
        self._scenario2 = next(
            filter(
                lambda s: s.name == scenario_name2,
                self._study.scenarios
            )
        )

        super(CompareScenariosWindow, self).accept()