from kivy.metrics import dp
from kivy.uix.modalview import ModalView
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.scrollview import ScrollView
from kivy.uix.gridlayout import GridLayout
from kivy.uix.button import Button
from kivy.uix.label import Label

class ClosureSelectDialog(ModalView):
    def __init__(self, closures, on_select, title="Vyber uzávěrku", **kwargs):
        super().__init__(**kwargs)
        self.size_hint = (None, None)
        self.size = (dp(700), dp(700))
        self.auto_dismiss = True
        self.closures = closures or []
        self.on_select = on_select
        scroll = ScrollView(size_hint=(1, 1))
        content = GridLayout(
            cols=1,
            spacing=dp(10),
            padding=dp(12),
            size_hint_y=None,
        )
        content.bind(minimum_height=content.setter("height"))
        lbl_title = Label(
            text=title,
            size_hint_y=None,
            height=dp(40),
        )
        content.add_widget(lbl_title)
        for c in self.closures:
            txt = self._closure_text(c)
            btn = Button(
                text=txt,
                markup=True,
                size_hint_y=None,
                height=dp(90),
                halign="left",
                valign="middle",
                text_size=(dp(650), None),
            )
            btn.bind(
                size=lambda inst, val: setattr(
                    inst, "text_size", (inst.width - dp(20), None)
                )
            )
            btn.bind(
                on_release=lambda inst, clsrep_no=c.clsrep_no: self._select(clsrep_no)
            )
            content.add_widget(btn)
        btn_close = Button(
            text="Zavřít",
            size_hint_y=None,
            height=dp(56),
        )
        btn_close.bind(on_release=self.dismiss)
        content.add_widget(btn_close)
        scroll.add_widget(content)
        self.add_widget(scroll)

    def _select(self, clsrep_no):
        self.dismiss()
        if self.on_select:
            self.on_select(clsrep_no)

    def _closure_text(self, c):
        clsrep_no = getattr(c, "clsrep_no", "") or ""
        ucislo_od = getattr(c, "ucislo_od", "") or ""
        ucislo_do = getattr(c, "ucislo_do", "") or ""
        closed_at_od = getattr(c, "closed_at_od", "") or ""
        closed_at_do = getattr(c, "closed_at_do", "") or ""

        return (
            f"[b]Uzávěrka {clsrep_no}[/b]\n"
            f"Účty: {ucislo_od} - {ucislo_do}\n"
            f"Od: {closed_at_od}\n"
            f"Do: {closed_at_do}"
        )