import type { BattlePhase } from 'db://assets/mx/module/battle';
import type { ChapterNewPlayTypeEnum, ChapterPlayData } from '../../game/ChapterPlayTypes';
import type { BattleRuntime } from '../runtime/BattleRuntime';
import type { BattleSession } from 'db://assets/mx/module/battle';

export interface MechanismContext {
    readonly runtime: BattleRuntime;
    readonly session: BattleSession;
    get battleTime(): number;
    get timeScale(): number;
    canTick(): boolean;
}

export interface IBattleMechanism {
    readonly typeId: ChapterNewPlayTypeEnum;
    init(ctx: MechanismContext, config: ChapterPlayData): void;
    onPhaseChanged?(phase: BattlePhase): void;
    tick(dt: number): void;
    destroy(): void;
}

export function createMechanismContext(runtime: BattleRuntime): MechanismContext {
    return {
        runtime,
        session: runtime.session,
        get battleTime() {
            return runtime.BattleTime;
        },
        get timeScale() {
            return runtime.TimeScale;
        },
        canTick() {
            return runtime.canUpdateFrame();
        },
    };
}