"""Deck integration on top of game-neutral card references."""

from odoo import _, api, fields, models


class MvdTcgCard(models.Model):
    """Extend cards with deck usage helpers."""

    _inherit = "mvd.tcg.card"

    deck_line_ids = fields.One2many(
        "mvd.tcg.deck.line",
        "card_id",
        string="Deck Lines",
        readonly=True,
    )
    deck_count = fields.Integer(
        compute="_compute_deck_count",
        readonly=True,
    )

    @api.depends("deck_line_ids.deck_id")
    def _compute_deck_count(self):
        """Compute how many distinct decks reference each card.

        Returns:
            None: The method updates records in place.
        """
        for card in self:
            card.deck_count = len(card.deck_line_ids.mapped("deck_id"))

    def action_open_decks(self):
        """Open all decks that reference the current card.

        Returns:
            dict: Window action filtered to linked decks.
        """
        self.ensure_one()
        deck_ids = self.deck_line_ids.mapped("deck_id").ids
        action = self.env["ir.actions.actions"]._for_xml_id(
            "mvd_tcg_deck.mvd_tcg_deck_action"
        )
        action["domain"] = [("id", "in", deck_ids or [0])]
        if self.game_id:
            action["context"] = {"default_game_id": self.game_id.id}
        return action

    def action_open_add_to_deck_wizard(self):
        """Open the deck-assignment wizard for the current card.

        Returns:
            dict: Modal wizard action.
        """
        self.ensure_one()
        return {
            "type": "ir.actions.act_window",
            "name": _("Add to Deck"),
            "res_model": "mvd.tcg.add.to.deck",
            "view_mode": "form",
            "target": "new",
            "context": {
                "default_card_id": self.id,
                "default_game_id": self.game_id.id,
                "active_model": self._name,
                "active_id": self.id,
            },
        }