# SPDX-License-Identifier: WTFPL

import os
from gi.repository import Gtk

from .view import View
from yms import gtkutils, combobox, treeview
from yms.lookup import Dropdown
from yms.model import measurement

class MeasurementView(View):

    def __init__(self, context):
        super().__init__(context, _("Measurements"), "measurement.ui")

        self.measure = measurement.Measurement(context.db) # current record
        self.newrecord = False

        # measurement units
        self.dd_unit = self.context.lookup.dropdown(Dropdown.UNIT)

        self.lst_measurement = Gtk.ListStore(int, str, str, str, str, str)
        sql = (
            "SELECT m.mid, m.mname, m.nval, m.val1, m.val2, m.val3, m.unit, "
                "m.accuracy, m.note, e.ename "
            "FROM measurement AS m LEFT OUTER JOIN equipment AS e USING (eid) "
            "WHERE m.vid=%s "
            "ORDER BY m.mid"
            )
        self.db.dcur.execute(sql, (context.vessel.vid,))
        for row in self.db.dcur.fetchall():
            if row['nval'] == 1:
                value = "{} {}".format(row['val1'], row['unit'])
            elif row['nval'] == 2:
                value = "{}x{} {}".format(row['val1'], row['val2'], row['unit'])
            elif row['nval'] == 3:
                value = "{}x{}x{} {}".format(row['val1'], row['val2'], row['val3'], row['unit'])
            else:
                #invalid
                value = "#invalid"
            data = (
                row['mid'],
                row['mname'],
                value,
                row['accuracy'],
                row['ename'],
                row['note'] or ''
            )
            self.lst_measurement.append(data)

        treeview.add_column(self.tree['measurement'], _('ID'), 0)
        treeview.add_column(self.tree['measurement'], _('Measurement'), 1)
        treeview.add_column(self.tree['measurement'], _('Value'), 2)
        treeview.add_column(self.tree['measurement'], _('Accuracy'), 3)
        treeview.add_column(self.tree['measurement'], _('Equipment'), 4)
        treeview.add_column(self.tree['measurement'], _('Note'), 5)
        self.tree['measurement'].set_model(self.lst_measurement)

    # buttons on list page
    def on_but_new_clicked(self, widget):
        self.topwidget.set_visible_child(self.box['measure_edit'])

    def on_but_edit_clicked(self, widget):
        self.topwidget.set_visible_child(self.box['measure_edit'])

    def on_but_detail_clicked(self, widget):
        mid = treeview.get_value(self.tree['measurement'], 0)
        if not mid:
            return
        self.measure.load(mid)
        self.display_record()
        self.topwidget.set_visible_child(self.box['measure_detail'])
        self.button['close'].grab_focus()

    def on_tvw_measurement_row_activated(self, widget, path, column):
        mid = treeview.get_value(widget, 0)
        self.measure.load(mid)
        self.display_record()
        self.topwidget.set_visible_child(self.box['measure_detail'])
        self.button['close'].grab_focus()

    # buttons on detail page
    # edit2 uses edit callback
    def on_but_close_clicked(self, widget):
        self.topwidget.set_visible_child(self.box['measurement'])

    def on_but_delete_clicked(self, widget):
        self.topwidget.set_visible_child(self.box['measurement'])

    # buttons on edit page
    def on_but_save_clicked(self, widget):
        pass

    def on_but_cancel_clicked(self, widget):
        self.topwidget.set_visible_child(self.box['measurement'])

    def display_record(self):
        self.label['name'].set_text(self.measure.mname)
        self.label['note'].set_text(self.measure.note or '')

    def edit_record(self):
        pass