const { ccclass } = cc._decorator;

/** Numeric content is ALWAYS source sprites. Missing glyphs are reported, never replaced by Label. */
@ccclass
export default class PyramidDigits extends cc.Component {
    private signature = "";
    set(value: string | number, frames: { [key: string]: cc.SpriteFrame }, height: number, maxWidth = 1000, commonScale = false): void {
        const text = String(value), signature = text + ":" + height + ":" + maxWidth + ":" + commonScale;
        if (signature === this.signature) return;
        const missing = text.split("").filter(c => !frames[c]);
        if (missing.length) { this.clear(); this.signature = ""; cc.warn("[Pyramid] 缺失数字素材", missing.join(",")); return; }
        this.signature = signature; this.clear();
        const referenceHeight = commonScale ? frames["0"].getRect().height : 0;
        const widths = text.split("").map(c => { const r = frames[c].getRect(); return height * r.width / (referenceHeight || r.height); });
        const total = widths.reduce((n, w) => n + w, 0) + Math.max(0, text.length - 1) * 1.5;
        const scale = Math.min(1, maxWidth / Math.max(1, total)); let left = -total / 2;
        text.split("").forEach((c, i) => {
            const glyph = new cc.Node("Digit_" + c); this.node.addChild(glyph);
            const sprite = glyph.addComponent(cc.Sprite);
            sprite.sizeMode = cc.Sprite.SizeMode.CUSTOM;
            sprite.spriteFrame = frames[c];
            const glyphHeight = commonScale ? height * frames[c].getRect().height / referenceHeight : height;
            glyph.setContentSize(widths[i], glyphHeight);
            glyph.setPosition(left + widths[i] / 2, (glyphHeight - height) / 2);
            left += widths[i];
            // left += widths[i] + 1.5;
        });
        this.node.setContentSize(total, height); this.node.setScale(scale);
    }
    private clear(): void { this.node.children.slice().forEach(child => child.destroy()); this.node.removeAllChildren(); }
}