#!/usr/bin/env python3
"""IPv64 DNS TUI Client
Author:  Pascal Bouquet <pascal@ptbos.de>
License: GNU General Public License v3.0 (GPL-3.0)
Year:    2026
"""

from rich.markup import escape
from textual.app import ComposeResult
from textual.containers import Horizontal, Vertical
from textual.widgets import Button, Input, Label, Select, Static


class RecordForm(Static):
    """Eingabe- und Bearbeitungsformular für DNS-Records."""

    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self.edit_record_id: str | None = None

    def compose(self) -> ComposeResult:
        with Vertical(id="form-pane"):
            yield Label("Record hinzufügen:", id="form-title")
            with Horizontal(classes="form-row"):
                yield Label("Subdomain:", classes="form-label")
                yield Input(placeholder="z. B. www oder mx01", id="in-subdomain")
                yield Label("Typ:", classes="form-label")
                yield Select(
                    [
                        ("A", "A"),
                        ("AAAA", "AAAA"),
                        ("CNAME", "CNAME"),
                        ("TXT", "TXT"),
                        ("MX", "MX"),
                        ("NS", "NS"),
                        ("SRV", "SRV"),
                    ],
                    value="A",
                    id="sel-type",
                )
            with Horizontal(classes="form-row"):
                yield Label("Content/IP:", classes="form-label")
                yield Input(placeholder="192.0.2.1 oder Ziel", id="in-content")
                yield Label("Prio:", classes="form-label")
                yield Input(placeholder="10 (nur MX/SRV)", id="in-prio")
                yield Button("Erstellen", id="btn-submit", variant="success")
                yield Button(
                    "Abbrechen",
                    id="btn-cancel",
                    variant="default",
                    classes="hidden",
                )

    def set_edit_mode(
        self, record_id: str, subdomain: str, typ: str, content: str, prio: str
    ) -> None:
        """Schaltet das Formular in den Bearbeitungsmodus."""
        self.edit_record_id = record_id
        
        # Runde Klammern und escape() verhindern den Rich-Markup-Error
        clean_id = escape(str(record_id))
        self.query_one("#form-title", Label).update(
            f"Record bearbeiten (ID: {clean_id}):"
        )
        
        # Subdomain bereinigen: @ oder leer wird zu leerem Input
        self.query_one("#in-subdomain", Input).value = "" if subdomain in ("@", "") else subdomain
        
        # Select-Wert für Typ setzen, falls in Optionen vorhanden
        sel_type = self.query_one("#sel-type", Select)
        if typ in [opt[1] for opt in sel_type._options]:
            sel_type.value = typ

        self.query_one("#in-content", Input).value = "" if content == "-" else content
        self.query_one("#in-prio", Input).value = "" if prio in ("-", "None") else prio

        btn_submit = self.query_one("#btn-submit", Button)
        btn_submit.label = "Speichern"
        btn_submit.variant = "warning"

        self.query_one("#btn-cancel", Button).remove_class("hidden")

    def reset_mode(self) -> None:
        """Setzt das Formular wieder auf 'Neuer Record' zurück."""
        self.edit_record_id = None
        self.query_one("#form-title", Label).update("Record hinzufügen:")
        self.clear()

        btn_submit = self.query_one("#btn-submit", Button)
        btn_submit.label = "Erstellen"
        btn_submit.variant = "success"

        self.query_one("#btn-cancel", Button).add_class("hidden")

    def get_data(self) -> dict:
        return {
            "record_id": self.edit_record_id,
            "subdomain": self.query_one("#in-subdomain", Input).value.strip(),
            "type": str(self.query_one("#sel-type", Select).value),
            "content": self.query_one("#in-content", Input).value.strip(),
            "prio": self.query_one("#in-prio", Input).value.strip(),
        }

    def clear(self) -> None:
        self.query_one("#in-subdomain", Input).value = ""
        self.query_one("#in-content", Input).value = ""
        self.query_one("#in-prio", Input).value = ""