import type { BattleGamePassiveSkillHost } from './BattleGamePassiveSkillHost';

/**
 * functiontype=9 化龙铲：CD 结束优先产铲入背包空槽；背包满（或空槽已被广告铲预留）则随机挖未开挖格。
 */
export class BattleGamePassiveShovelSpawn {
    /**
     * 尝试产铲并播放飞行动画。
     * @param slotIndex 被动槽下标（同 buff 多槽各自独立触发）
     * @returns 是否已受理（含异步飞行；无目标时重启 CD 也返回 true）
     */
    static trySpawn(row: ITableBattlebuff, host: BattleGamePassiveSkillHost, slotIndex: number): boolean {
        if (slotIndex < 0) return false;

        const battle = host.battle;
        const bagView = host.bagView;
        const bagSession = battle?.bagSession;
        if (!bagSession || !bagView) {
            console.log('[PassiveSkill] 化龙铲产铲失败：bag 未就绪');
            return false;
        }

        if (!bagSession.merge.prepActive) {
            return false;
        }

        const fromWorld = host.getIconWorldPosition(slotIndex);
        if (!fromWorld) {
            console.log('[PassiveSkill] 化龙铲产铲失败：被动图标坐标缺失', slotIndex);
            return false;
        }

        host.setPassiveSpawnInflight(slotIndex, true);

        const started = bagView.playPassiveShovelSpawnFlight({
            fromWorld,
            onComplete: () => {
                host.setPassiveSpawnInflight(slotIndex, false);
                host.restartPassiveCd(slotIndex);
            },
        });
        if (!started) {
            host.setPassiveSpawnInflight(slotIndex, false);
            return false;
        }
        return true;
    }
}