import { _decorator, resources, JsonAsset } from 'cc';
import { BaseSingleton } from './BaseSingleton';
const { ccclass, property } = _decorator;

// 武器配置接口
export interface WeaponConfig {
    id: string;
    name: string;
    type: string;
    rarity: string;
    weight: number;
    stats: {
        damage: number;
        fireRate: number;
        range: number;
        bulletSpeed: number;
        penetration: number;
        accuracy: number;
        explosionRadius?: number;
        explosionDamage?: number;
        burnDuration?: number;
        burnDamage?: number;
        returnSpeed?: number;
        homingStrength?: number;
    };
    bulletConfig: {
        bulletType: string;
        bulletPrefab: string;
        hitEffect: string;
        trailEffect?: string;
        ricochetCount?: number;
        ricochetAngle?: number;
        explosionDelay?: number;
        burnEffect?: string;
        arcHeight?: number;
        returnDelay?: number;
        homingDelay?: number;
    };
    attackPattern: {
        type: string;
        projectileCount: number;
        spreadAngle: number;
        burstCount: number;
        burstDelay: number;
    };
    visualConfig: {
        weaponSprites: {
            [size: string]: string;
        };
        muzzleFlash: string;
        fireSound: string;
    };
}

// 球控制器配置接口
export interface BallControllerConfig {
    baseSpeed: number;
    maxReflectionRandomness: number;
    antiTrapTimeWindow: number;
    antiTrapHitThreshold: number;
    deflectionAttemptThreshold: number;
    antiTrapDeflectionMultiplier: number;
    FIRE_COOLDOWN: number;
    ballRadius: number;
    gravityScale: number;
    linearDamping: number;
    angularDamping: number;
    colliderGroup: number;
    colliderTag: number;
    friction: number;
    restitution: number;
    safeDistance: number;
    edgeOffset: number;
    sensor: boolean;
    maxAttempts: number;
}

// 敌人配置接口
export interface EnemyConfig {
    id: string;
    name: string;
    type: string;
    rarity: string;
    weight: number;
    health: number;
    speed: number;
    attack: number;
    range: number;
    attackSpeed: number;
    defense: number;
    goldReward: number;
    explosionDamage?: number;
    explosionRadius?: number;
    movement: {
        type: string;
        pattern: string;
        speedVariation: number;
        swayAmplitude?: number;
        swayFrequency?: number;
    };
    combat: {
        attackType: string;
        attackDelay: number;
        attackCooldown: number;
        weaponType?: string;
        projectileType?: string;
        projectileSpeed?: number;
        canBlock: boolean;
        blockChance: number;
    };
    visualConfig: {
        spritePrefab: string;
        animations: {
            [state: string]: string;
        };
        scale: number;
        flipX: boolean;
        weapon?: string;
        armor?: string;
        prop?: string;
    };
    audioConfig: {
        [sound: string]: string;
    };
    specialAbilities: string[];
    stealthConfig?: {
        stealthDuration: number;
        stealthCooldown: number;
        revealOnAttack: boolean;
        visibilityAlpha: number;
    };
    armorConfig?: {
        armorHealth: number;
        armorReduction: number;
        breakThreshold: number;
    };
    explosionConfig?: {
        explosionDelay: number;
        explosionEffect: string;
        damageRadius: number;
        knockbackForce: number;
    };
    bossConfig?: {
        phases: number;
        phaseHealthThreshold: number;
        enrageBonus?: {
            speed: number;
            damage: number;
            attackSpeed: number;
        };
        summonAbility?: {
            minionType: string;
            summonCount: number;
            summonCooldown: number;
        };
        laserAbility?: {
            damage: number;
            range: number;
            chargeTime: number;
            cooldown: number;
        };
    };
    projectileConfig?: {
        bulletPrefab: string;
        hitEffect: string;
        trailEffect?: string;
    };
}

@ccclass('ConfigManager')
export class ConfigManager extends BaseSingleton {
    // 仅用于类型声明，实例由 BaseSingleton 在运行时动态维护
    public static _instance: ConfigManager;
    
    private weaponsConfig: any = null;
    private enemiesConfig: any = null;
    private configLoaded: boolean = false;
    
    // 武器权重缓存
    private weaponWeightedList: WeaponConfig[] = [];
    // 敌人权重缓存
    private enemyWeightedList: EnemyConfig[] = [];

    /**
     * BaseSingleton 首次实例化回调
     */
    protected init() {
        console.log('[ConfigManager] 开始初始化配置管理器');
        this.loadConfigs();
    }

    // 加载所有配置文件
    private async loadConfigs() {
        console.log('[ConfigManager] 开始加载配置文件');
        this.configLoaded = false;
        
        try {
            // 确保resources bundle已经准备好
            await this.ensureResourcesBundle();
            
            // 加载武器配置
            console.log('[ConfigManager] 开始加载武器配置');
            await this.loadWeaponsConfig();
            console.log('[ConfigManager] 武器配置加载完成');
            
            // 加载敌人配置
            console.log('[ConfigManager] 开始加载敌人配置');
            await this.loadEnemiesConfig();
            console.log('[ConfigManager] 敌人配置加载完成');
            
            // 注意：球控制器配置现在通过BallController组件的装饰器直接加载
            console.log('[ConfigManager] 球控制器配置通过装饰器加载，跳过ConfigManager加载');
            
            this.configLoaded = true;
            console.log('[ConfigManager] ✅ 所有配置文件加载成功，配置管理器初始化完成');
        } catch (error) {
            console.error('[ConfigManager] ❌ 配置文件加载失败:', error);
            this.configLoaded = false;
            
            // 延迟重试加载
            console.log('[ConfigManager] 将在3秒后重试加载配置');
            setTimeout(() => {
                console.log('[ConfigManager] 开始重试加载配置');
                this.loadConfigs();
            }, 3000);
        }
    }

    // 确保resources bundle已经准备好
    private ensureResourcesBundle(): Promise<void> {
        return new Promise((resolve) => {
            console.log('[ConfigManager] 检查resources bundle状态...');
            
            // 简单延迟确保Cocos Creator资源系统已经初始化
            setTimeout(() => {
                console.log('[ConfigManager] resources bundle初始化等待完成');
                resolve();
            }, 1000);
        });
    }

    // 加载武器配置
    private loadWeaponsConfig(): Promise<void> {
        return new Promise((resolve, reject) => {
            console.log('加载武器配置...');
            resources.load('data/weapons', JsonAsset, (err, asset) => {
                if (err) {
                    console.error('武器配置文件加载失败:', err);
                    reject(err);
                    return;
                }
                
                if (!asset || !asset.json) {
                    console.error('武器配置文件内容为空');
                    reject(new Error('武器配置文件内容为空'));
                    return;
                }
                
                this.weaponsConfig = asset.json as any;
                console.log('✅ 武器配置加载成功');
                this.buildWeaponWeightedList();
                resolve();
            });
        });
    }

    // 加载敌人配置
    private loadEnemiesConfig(): Promise<void> {
        return new Promise((resolve, reject) => {
            console.log('加载敌人配置...');
            resources.load('data/enemies', JsonAsset, (err, asset) => {
                if (err) {
                    console.error('敌人配置文件加载失败:', err);
                    reject(err);
                    return;
                }
                
                if (!asset || !asset.json) {
                    console.error('敌人配置文件内容为空');
                    reject(new Error('敌人配置文件内容为空'));
                    return;
                }

                this.enemiesConfig = asset.json as any;
                console.log('✅ 敌人配置加载成功');
                this.buildEnemyWeightedList();
                resolve();
            });
        });
    }

    // 加载球控制器配置
    // 球控制器配置现在通过BallController组件的装饰器直接加载，不再需要在ConfigManager中处理

    // 构建武器权重列表
    private buildWeaponWeightedList() {
        if (!this.weaponsConfig) return;
        
        this.weaponWeightedList = [];
        this.weaponsConfig.weapons.forEach(weapon => {
            // 根据权重添加多次到列表中
            for (let i = 0; i < weapon.weight; i++) {
                this.weaponWeightedList.push(weapon);
            }
        });
        
        console.log('武器权重列表构建完成，总权重:', this.weaponWeightedList.length);
    }

    // 构建敌人权重列表
    private buildEnemyWeightedList() {
        if (!this.enemiesConfig) return;
        
        this.enemyWeightedList = [];
        this.enemiesConfig.enemies.forEach(enemy => {
            // 根据权重添加多次到列表中
            for (let i = 0; i < enemy.weight; i++) {
                this.enemyWeightedList.push(enemy);
            }
        });
        
        console.log('敌人权重列表构建完成，总权重:', this.enemyWeightedList.length);
    }

    // 随机获取武器配置
    public getRandomWeapon(rarity?: string): WeaponConfig | null {
        if (!this.weaponsConfig || this.weaponWeightedList.length === 0) {
            console.warn('武器配置未加载或为空');
            return null;
        }

        if (rarity) {
            // 按稀有度筛选
            const filteredWeapons = this.weaponsConfig.weapons.filter(weapon => weapon.rarity === rarity);
            if (filteredWeapons.length === 0) {
                console.warn(`没有找到稀有度为 ${rarity} 的武器`);
                return null;
            }
            const randomIndex = Math.floor(Math.random() * filteredWeapons.length);
            return filteredWeapons[randomIndex];
        }

        // 使用稀有度权重系统进行随机选择
        const rarityWeights = this.weaponsConfig.rarityWeights;
        if (!rarityWeights) {
            console.warn('稀有度权重配置未找到，使用武器权重列表');
            const randomIndex = Math.floor(Math.random() * this.weaponWeightedList.length);
            return this.weaponWeightedList[randomIndex];
        }

        // 计算总权重
        // 计算总权重(兼容ES5)
        const totalWeight = Object.keys(rarityWeights).reduce((sum: number, key: string) => sum + (rarityWeights[key] as number), 0);
        const randomValue = Math.random() * totalWeight;
        
        // 根据权重选择稀有度
        let currentWeight = 0;
        let selectedRarity = 'common';
        
        // 兼容ES5的写法遍历对象
        for (let rarity in rarityWeights) {
            if (rarityWeights.hasOwnProperty(rarity)) {
                const weight = rarityWeights[rarity];
            currentWeight += weight as number;
            if (randomValue <= currentWeight) {
                selectedRarity = rarity;
                break;
            }
        }
        
        // 从选中的稀有度中随机选择武器
        const weaponsOfRarity = this.weaponsConfig.weapons.filter(weapon => weapon.rarity === selectedRarity);
        if (weaponsOfRarity.length === 0) {
            console.warn(`稀有度 ${selectedRarity} 没有可用武器，使用武器权重列表`);
            const randomIndex = Math.floor(Math.random() * this.weaponWeightedList.length);
            return this.weaponWeightedList[randomIndex];
        }
        
        const randomIndex = Math.floor(Math.random() * weaponsOfRarity.length);
        const selectedWeapon = weaponsOfRarity[randomIndex];
        
        console.log(`随机选择武器: ${selectedWeapon.name} (${selectedRarity})`);
        return selectedWeapon;
        }
    }
    // 随机获取敌人配置
    public getRandomEnemy(rarity?: string): EnemyConfig | null {
        if (!this.enemiesConfig || this.enemyWeightedList.length === 0) {
            console.warn('敌人配置未加载或为空');
            return null;
        }

        if (rarity) {
            // 按稀有度筛选
            const filteredEnemies = this.enemiesConfig.enemies.filter(enemy => enemy.rarity === rarity);
            if (filteredEnemies.length === 0) {
                console.warn(`没有找到稀有度为 ${rarity} 的敌人`);
                return null;
            }
            const randomIndex = Math.floor(Math.random() * filteredEnemies.length);
            return filteredEnemies[randomIndex];
        }

        // 从权重列表中随机选择
        const randomIndex = Math.floor(Math.random() * this.enemyWeightedList.length);
        return this.enemyWeightedList[randomIndex];
    }

    // 根据ID获取武器配置
    public getWeaponById(id: string): WeaponConfig | null {
        if (!this.weaponsConfig) return null;
        return this.weaponsConfig.weapons.find(weapon => weapon.id === id) || null;
    }

    // 根据ID获取敌人配置
    public getEnemyById(id: string): EnemyConfig | null {
        if (!this.enemiesConfig) return null;
        return this.enemiesConfig.enemies.find(enemy => enemy.id === id) || null;
    }

    /**
     * 获取敌人名称到ID的映射
     */
    public getNameToIdMapping(): { [key: string]: string } | null {
        if (!this.enemiesConfig) return null;
        return this.enemiesConfig.nameToIdMapping || null;
    }

    // 获取所有武器配置
    public getAllWeapons(): WeaponConfig[] {
        return this.weaponsConfig?.weapons || [];
    }

    // 获取所有敌人配置
    public getAllEnemies(): EnemyConfig[] {
        return this.enemiesConfig?.enemies || [];
    }

    // 根据稀有度获取武器列表
    public getWeaponsByRarity(rarity: string): WeaponConfig[] {
        if (!this.weaponsConfig) return [];
        return this.weaponsConfig.weapons.filter(weapon => weapon.rarity === rarity);
    }

    // 根据稀有度获取敌人列表
    public getEnemiesByRarity(rarity: string): EnemyConfig[] {
        if (!this.enemiesConfig) return [];
        return this.enemiesConfig.enemies.filter(enemy => enemy.rarity === rarity);
    }

    // 获取方块尺寸列表（已更新为形状ID）
    public getBlockSizes(): string[] {
        if (!this.weaponsConfig || !this.weaponsConfig.blockSizes) {
            return ['I', 'H-I', 'L', 'S', 'D-T'];
        }
        // 从blockSizes配置中提取形状ID
        return this.weaponsConfig.blockSizes.map((shape: any) => shape.id);
    }
    
    // 获取方块形状配置列表
    public getBlockShapes(): any[] {
        if (!this.weaponsConfig || !this.weaponsConfig.blockSizes) {
            console.warn('武器配置或方块形状配置未加载');
            return [];
        }
        return this.weaponsConfig.blockSizes;
    }

    // 获取波次进展配置
    public getWaveProgression(): any {
        return this.enemiesConfig?.waveProgression || {};
    }

    // 根据波次获取合适的敌人
    public getEnemyForWave(waveNumber: number): EnemyConfig | null {
        if (!this.enemiesConfig) return null;
        
        const progression = this.enemiesConfig.waveProgression;
        let enemyPool: string[] = [];
        
        if (waveNumber <= 5) {
            enemyPool = progression.earlyWaves || [];
        } else if (waveNumber <= 15) {
            enemyPool = [...(progression.earlyWaves || []), ...(progression.midWaves || [])];
        } else if (waveNumber <= 25) {
            enemyPool = [...(progression.midWaves || []), ...(progression.lateWaves || [])];
        } else {
            enemyPool = [...(progression.lateWaves || []), ...(progression.bossWaves || [])];
        }
        
        if (enemyPool.length === 0) {
            return this.getRandomEnemy();
        }
        
        const randomId = enemyPool[Math.floor(Math.random() * enemyPool.length)];
        return this.getEnemyById(randomId);
    }

    // 检查配置是否已加载
    public isConfigLoaded(): boolean {
        return this.configLoaded;
    }

    // 获取球控制器配置
    // getBallControllerConfig方法已移除，球控制器配置现在通过装饰器直接在BallController中加载
}