import sys
from glob import iglob

from lib.db import Recipes, Users
from PyQt5.QtCore import QTimer, pyqtSignal
from PyQt5.QtGui import QKeySequence
from PyQt5.QtWidgets import QShortcut
from ui.crud import Crud, Json_External_Dialog_Editor_Cell_Widget
from ui.helpers import replace_widget
from ui.recipe_spec_and_step_editor import Recipe_Spec_And_Step_Editor
from ui.widget import Widget


class Recipe_Selection(Widget):
    ok = pyqtSignal(Recipes)

    def __init__(self):
        super().__init__()
        session = Users.get_session()
        if session.is_admin:
            readonly = ["id"]
            crud_aliases = {
                "id": "Id",
                "name": "Ricetta",
                "client": "Cliente",
                "part_number": "N° disegno",
                "spec": "Specifica",
                "description": "Descrizione",
                "archived": "Archiviata",
            }
            filters = None
        else:
            readonly = True
            crud_aliases = {
                "name": "Ricetta",
                "client": "Cliente",
                "part_number": "N° disegno",
                "spec": "Specifica",
                "description": "Descrizione",
                # "archived": "Archiviata",
            }
            filters = {"archived": False}
        self.crud = Crud(
            "recipes",
            display_name="SELEZIONE RICETTA",
            readonly=readonly,
            select=list(crud_aliases.keys()),
            filters=filters,
            fields_aliases=crud_aliases,
            autocomplete={
                "spec": {
                    "step_editors": {
                        "vision": {
                            # "recipe": iglob("*.ini", root_dir="./config/vision/recipes/"), # only in python3.10
                            "recipe": list(iglob("./config/vision/recipes/*.ini")),
                        },
                    },
                },
                "archived": False,
            },
            widget_classes={"spec": lambda *args, **kwargs: Json_External_Dialog_Editor_Cell_Widget(Recipe_Spec_And_Step_Editor, *args, **kwargs), },
        )
        replace_widget(self, "crud_w", self.crud)
        self.crud_modified = None
        self.selected = None
        self.select_b.setEnabled(False)
        self.select_b.clicked.connect(self.select)
        QShortcut(QKeySequence("Return"), self).activated.connect(self.select_b.click)
        self.crud.modified.connect(self.check_modified)
        self.crud.selected.connect(self.check_selected)
        self.crud.emit()
        self.crud.db_tw.setColumnWidth(0, 25)
        self.crud.db_tw.setColumnWidth(1, 200)
        self.crud.db_tw.setColumnWidth(2, 200)
        self.crud.db_tw.setColumnWidth(3, 200)
        self.crud.db_tw.setColumnWidth(4, 200)
        self.crud.db_tw.setColumnWidth(5, 400)
        # TESTING
        if "--auto-select" in sys.argv or "--test" in sys.argv:
            drawing = "TEST"
            cn = self.crud.select_index["name"]
            for rn in range(1, self.crud.db_tw.rowCount()):
                if self.crud.db_tw.cellWidget(rn, cn).text() == drawing:
                    selection = self.crud.db_tw.model().index(rn, cn)
                    self.crud.db_tw.setCurrentIndex(selection)
                    break
            self.test_timer = QTimer()
            self.test_timer.setSingleShot(True)
            self.test_timer.timeout.connect(self.select_b.clicked.emit)
            self.test_timer.start(500)
        # /TESTING

    def check_modified(self, modified):
        self.crud_modified = modified
        self.check(self.crud_modified, self.selected)

    def check_selected(self, selected):
        if len(selected) == 1:
            selected = selected[0] - 1   # - 1 because rn starts from 1 (filters line)
            if selected >= 0 and selected < len(self.crud.data_index):
                selected = self.crud.data_index[selected]
                if selected is not None:
                    self.selected = self.crud.db.table_model.get_by_id(selected)
                else:
                    self.selected = None
        else:
            self.selected = None
        self.check(self.crud_modified, self.selected)

    def check(self, modified, selected):
        self.select_b.setEnabled(modified is False and selected is not None)

    def select(self):
        if self.selected is not None:
            self.ok.emit(self.selected)