import { _decorator, color, Component, Material, Node, Sprite } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('FlashSprite')
export class FlashSprite extends Component {

    @property(Material) 
    hitFlashMaterial: Material | null = null;

    @property({ type: Material, tooltip: '绿色描边材质(2级 / Boss阶段2)' })
    outlineMatGreen: Material | null = null;

    @property({ type: Material, tooltip: '蓝色描边材质(3级)' })
    outlineMatBlue: Material | null = null;

    @property({ type: Material, tooltip: '紫色描边材质(4级)' })
    outlineMatPurple: Material | null = null;

    @property({ type: Material, tooltip: '黄色描边材质(5级)' })
    outlineMatYellow: Material | null = null;

    @property({ type: Material, tooltip: '红色描边材质(Boss阶段3，即 outline-glow)' })
    outlineMatGlow: Material | null = null;

    orginalFlashMaterial: Material | null = null;
    defaultMaterial: Material | null = null; // 缓存最原始的无描边材质
    sprite: Sprite | null = null;

    start() {
        this.sprite = this.node.getComponent(Sprite);
        // 记录最初的默认材质（无描边）
        if (this.sprite) {
            this.defaultMaterial = this.sprite.getRenderMaterial(0);
            if (!this.orginalFlashMaterial) {
                this.orginalFlashMaterial = this.defaultMaterial;
            }
        }
    }

    /**
     * 根据英雄等级设置描边材质
     * @param level 英雄等级 (1=无描边, 2=绿, 3=蓝, 4=紫, 5=黄)
     */
    public setOutlineByLevel(level: number) {
        if (!this.sprite) {
            this.sprite = this.node.getComponent(Sprite);
        }

        let targetMat: Material | null = null;
        if (level === 2) {
            targetMat = this.outlineMatGreen;
        } else if (level === 3) {
            targetMat = this.outlineMatBlue;
        } else if (level === 4) {
            targetMat = this.outlineMatPurple;
        } else if (level >= 5) {
            targetMat = this.outlineMatYellow;
        } else {
            // 1级或异常情况，使用最原始的无描边材质
            targetMat = this.defaultMaterial;
        }

        if (targetMat && this.sprite) {
            // 更新基础材质，确保闪白结束后恢复到这个描边材质
            this.orginalFlashMaterial = targetMat;
            this.sprite.setSharedMaterial(targetMat, 0);
        }
    }

    /**
     * 按 Boss 阶段设置描边材质（优先级高于等级描边）
     * Why: Boss 阶段是战斗强反馈（P2 绿=警告 / P3 红=危险），与英雄等级成长是两套视觉语言，
     *      用独立通道避免污染 setOutlineByLevel 的等级语义；材质复用现有 outline-green / outline-glow
     * @param phase 阶段索引：1=P2 绿 / 2=P3 红 / 0=P1 恢复默认
     */
    public setOutlineByBossPhase(phase: number) {
        if (!this.sprite) {
            this.sprite = this.node.getComponent(Sprite);
        }
        if (!this.sprite) return;

        let targetMat: Material | null = null;
        if (phase === 1) {
            targetMat = this.outlineMatGreen;
        } else if (phase >= 2) {
            targetMat = this.outlineMatGlow ?? this.outlineMatYellow;
        } else {
            targetMat = this.defaultMaterial;
        }

        if (targetMat) {
            // 更新基础材质，确保闪白结束后恢复到这个阶段描边材质
            this.orginalFlashMaterial = targetMat;
            this.sprite.setSharedMaterial(targetMat, 0);
        }
    }

    public clickFlash() {
        if (!this.sprite || !this.hitFlashMaterial) return;
        
        this.sprite.setSharedMaterial(this.hitFlashMaterial, 0);
        this.scheduleOnce(() => {
            if (this.sprite && this.orginalFlashMaterial) {
                this.sprite.setSharedMaterial(this.orginalFlashMaterial, 0);
            }
        }, 0.1);
    }
}