from __future__ import annotations
from uuid import uuid4 

from warchron.model.round import Round, Choice, Battle

class Campaign:
    def __init__(self, name: str, month: int):
        self.id: str = str(uuid4())
        self.name: str = name
        self.month: int = month
        self.participants: dict[str, CampaignParticipant] = {}
        self.sectors: dict[str, Sector] = {}
        self.rounds: list[Round] = []
        self.is_over = False

    def set_id(self, new_id: str):
        self.id = new_id

    def set_name(self, new_name: str):
        self.name = new_name

    def set_month(self, new_month: int):
        self.month = new_month
        
    def set_state(self, new_state: bool):
        self.is_over = new_state

    def toDict(self):
        return {
            "id" : self.id,
            "name" : self.name,
            "month" : self.month,
            # "participants" : self.participants,
            "rounds": [rnd.toDict() for rnd in self.rounds],
            "is_over": self.is_over
        }
    
    @staticmethod
    def fromDict(data: dict):
        camp = Campaign(name=data["name"], month=data["month"])
        camp.set_id(data["id"])
        # camp.participants = data.get("participants", {})
        for rnd_data in data.get("rounds", []):
            camp.rounds.append(Round.fromDict(rnd_data))
        camp.set_state(data.get("is_over", False))
        return camp

# Campaign participant methods

    def get_all_campaign_participants_ids(self) -> set[str]:
        return set(self.participants.keys())

    def has_participant(self, player_id: str) -> bool:
        return player_id in self.participants

    def add_campaign_participant(self, player_id: str, leader: str, theme: str) -> CampaignParticipant:
        if player_id in self.participants:
            raise ValueError("Player already registered in this campaign")
        participant = CampaignParticipant(player_id, leader, theme)
        self.participants[participant.id] = participant
        return participant

    def get_campaign_participant(self, id: str) -> CampaignParticipant:
        return self.participants[id]

    def get_all_campaign_participants(self) -> list[CampaignParticipant]:
        return list(self.participants.values())

    def update_campaign_participant(self, player_id: str, *, leader: str, theme: str):
        part = self.get_campaign_participant(player_id)
        part.set_leader(leader)
        part.set_theme(theme)

    def remove_campaign_participant(self, player_id: str):
        # TODO manage choices referring to it
        # TODO manage battles referring to it
        del self.participants[player_id]

# Sector methods

    def add_sector(self, name: str, round_id: str, major_id: str, minor_id: str, influence_id: str) -> Sector:
        sect = Sector(name, round_id, major_id, minor_id, influence_id)
        self.sectors[sect.id] = sect
        return sect

    def get_sector(self, sector_id: str) -> Sector:
        return self.sectors[sector_id]
    
    def get_sector_name(self, sector_id: str) -> str:
        if sector_id is None:
            return ""
        return self.sectors[sector_id].name

    def get_all_sectors(self) -> list[Sector]:
        return list(self.sectors.values())

    # TODO manage choices referring to it (round order!)
    def update_sector(self, sector_id: str, *, name: str, round_id: str, major_id: str, minor_id: str, influence_id: str):
        sect = self.get_sector(sector_id)
        sect.set_name(name)
        sect.set_round(round_id)
        sect.set_major(major_id)
        sect.set_minor(minor_id)
        sect.set_influence(influence_id)
 
    def remove_sector(self, sector_id: str):
        # TODO manage choices referring to it
        # TODO manage battles referring to it
        del self.sectors[sector_id]

# Round methods

    def has_round(self, round_id: str) -> bool:
        return any(r.id == round_id for r in self.rounds)
    
    def get_round(self, round_id: str) -> Round:
        for rnd in self.rounds:
            if rnd.id == round_id:
                return rnd
        raise KeyError(f"Round {round_id} not found")

    def get_all_rounds(self) -> list[Round]:
        return list(self.rounds)
    
    def add_round(self) -> Round:
        round = Round()
        self.rounds.append(round)
        return round
    
    def remove_round(self, round_id: str):
        rnd = next((r for r in self.rounds if r.id == round_id), None)
        if rnd:
            self.rounds.remove(rnd)

    def get_round_index(self, round_id: str) -> int:
        if round_id is None:
            return None
        for index, rnd in enumerate(self.rounds, start=1):
            if rnd.id == round_id:
                return index
        raise KeyError("Round not found in campaign")

    def get_round_name(self, round_id: str | None) -> str:
            if round_id is None:
                return ""
            for rnd in self.rounds:
                if rnd.id == round_id:
                    return rnd.name
            return ""

# Choice methods

    def create_choice(self, round_id: str, participant_id: str) -> Choice:
        rnd = self.get_round(round_id)
        return rnd.create_choice(participant_id)

    def remove_choice(self, round_id: str, participant_id: str) -> Choice:
        rnd = self.get_round(round_id)
        rnd.remove_choice(participant_id)

class CampaignParticipant:
    def __init__(self,player_id: str, leader: str, theme: str):
        self.id: str = player_id # ref to War.participants
        self.leader: str = leader
        self.theme: str = theme

    def set_id(self, new_id: str):
        self.id = new_id

    def set_leader(self, new_faction: str):
        self.leader = new_faction

    def set_theme(self, new_theme: str):
        self.theme = new_theme

class Sector:
    def __init__(self, name: str, round_id: str, major_id: str, minor_id: str, influence_id: str):
        self.id: str = str(uuid4())
        self.name: str = name
        self.round_id: str = round_id
        self.major_objective_id: str | None = major_id # ref to War.objectives
        self.minor_objective_id: str | None = minor_id # ref to War.objectives
        self.influence_objective_id: str | None = influence_id # ref to War.objectives

    def set_id(self, new_id: str):
        self.id = new_id

    def set_name(self, new_name: str):
        self.name = new_name

    def set_round(self, new_round_id: str):
        self.round_id = new_round_id

    def set_major(self, new_major_id: str):
        self.major_objective_id = new_major_id

    def set_minor(self, new_minor_id: str):
        self.minor_objective_id = new_minor_id

    def set_influence(self, new_influence_id: str):
        self.influence_objective_id = new_influence_id