import type { CombatantId } from "./types.js";

export interface TurnAdvanced {
	readonly type: "TurnAdvanced";
	readonly previousCombatantId: CombatantId;
	readonly newCombatantId: CombatantId;
	readonly roundNumber: number;
}

export interface RoundAdvanced {
	readonly type: "RoundAdvanced";
	readonly newRoundNumber: number;
}

export interface CombatantAdded {
	readonly type: "CombatantAdded";
	readonly combatantId: CombatantId;
	readonly name: string;
	readonly position: number;
}

export interface CombatantRemoved {
	readonly type: "CombatantRemoved";
	readonly combatantId: CombatantId;
	readonly name: string;
}

export interface CombatantUpdated {
	readonly type: "CombatantUpdated";
	readonly combatantId: CombatantId;
	readonly oldName: string;
	readonly newName: string;
}

export interface InitiativeSet {
	readonly type: "InitiativeSet";
	readonly combatantId: CombatantId;
	readonly previousValue: number | undefined;
	readonly newValue: number | undefined;
}

export interface MaxHpSet {
	readonly type: "MaxHpSet";
	readonly combatantId: CombatantId;
	readonly previousMaxHp: number | undefined;
	readonly newMaxHp: number | undefined;
	readonly previousCurrentHp: number | undefined;
	readonly newCurrentHp: number | undefined;
}

export interface CurrentHpAdjusted {
	readonly type: "CurrentHpAdjusted";
	readonly combatantId: CombatantId;
	readonly previousHp: number;
	readonly newHp: number;
	readonly delta: number;
}

export interface TurnRetreated {
	readonly type: "TurnRetreated";
	readonly previousCombatantId: CombatantId;
	readonly newCombatantId: CombatantId;
	readonly roundNumber: number;
}

export interface RoundRetreated {
	readonly type: "RoundRetreated";
	readonly newRoundNumber: number;
}

export type DomainEvent =
	| TurnAdvanced
	| RoundAdvanced
	| CombatantAdded
	| CombatantRemoved
	| CombatantUpdated
	| InitiativeSet
	| MaxHpSet
	| CurrentHpAdjusted
	| TurnRetreated
	| RoundRetreated;