from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from warchron.controller.app_controller import AppController

from warchron.model.war_event import TieResolved
from warchron.model.war import War
from warchron.model.campaign import Campaign
from warchron.model.round import Round
from warchron.model.closure_service import ClosureService
from warchron.model.tie_manager import TieResolver


class ClosureWorkflow:

    def __init__(self, controller: "AppController"):
        self.app = controller


class RoundClosureWorkflow(ClosureWorkflow):

    def start(self, war: War, campaign: Campaign, round: Round) -> None:
        ClosureService.check_round_closable(round)
        ties = TieResolver.find_battle_ties(war, round.id)
        while ties:
            resolvable = []
            for tie in ties:
                if TieResolver.can_tie_be_resolved(war, tie.participants):
                    resolvable.append(tie)
                else:
                    war.events.append(
                        TieResolved(
                            participant_id=None,  # draw confirmed
                            context_type=tie.context_type,
                            context_id=tie.context_id,
                        )
                    )
            if not resolvable:
                break
            bids_map = self.app.rounds.resolve_ties(war, resolvable)
            for tie in resolvable:
                bids = bids_map[tie.context_id]
                TieResolver.apply_bids(
                    war,
                    tie.context_type,
                    tie.context_id,
                    bids,
                )
                TieResolver.try_tie_break(
                    war,
                    tie.context_type,
                    tie.context_id,
                    tie.participants,
                )
            ties = TieResolver.find_battle_ties(war, round.id)
        for battle in round.battles.values():
            ClosureService.apply_battle_outcomes(war, campaign, battle)
        ClosureService.finalize_round(round)


class CampaignClosureWorkflow(ClosureWorkflow):

    def start(self, war: War, campaign: Campaign) -> None:
        ClosureService.check_campaign_closable(campaign)
        ties = TieResolver.find_campaign_ties(war, campaign.id)
        while ties:
            resolvable = []
            for tie in ties:
                if TieResolver.can_tie_be_resolved(war, tie.participants):
                    resolvable.append(tie)
                else:
                    war.events.append(
                        TieResolved(
                            participant_id=None,
                            context_type=tie.context_type,
                            context_id=tie.context_id,
                        )
                    )
            if not resolvable:
                break
            bids_map = self.app.campaigns.resolve_ties(war, resolvable)
            for tie in resolvable:
                bids = bids_map[tie.context_id]
                TieResolver.apply_bids(
                    war,
                    tie.context_type,
                    tie.context_id,
                    bids,
                )
                TieResolver.try_tie_break(
                    war,
                    tie.context_type,
                    tie.context_id,
                    tie.participants,
                )
            ties = TieResolver.find_campaign_ties(war, campaign.id)
        ClosureService.finalize_campaign(campaign)