import { BaseMathDrawService } from './baseMathDraw';
import { drawAdditionContent } from './additionContentDraw';

/**
 * 加减法计算绘制服务
 * 组合使用基础绘制服务和内容区域绘制服务
 */
class AdditionDraw extends BaseMathDrawService {
    calculationData: {
        problems: Array<{
            type: 'addition' | 'subtraction';
            left: number;
            right: number;
            result: number;
        }>;
    } | null;

    constructor(
        canvas: Canvas,
        ctx: RenderingContext,
        options?: Record<string, any>,
    ) {
        super(canvas, ctx, options);
        this.calculationData = null;
    }

    async draw(
        calculationData: {
            problems: Array<{
                type: 'addition' | 'subtraction';
                left: number;
                right: number;
                result: number;
            }>;
        },
        _calculationType: string = 'addition-5', // 保留参数以保持接口兼容性
        _imageType?: string, // 可选，不再使用，每个运算会随机选择图片类型
    ) {
        if (!calculationData || !calculationData.problems) {
            return;
        }

        this.setPrintConfig();
        this.calculationData = calculationData;
        this.clear();
        this.setPaper();

        // 绘制Header
        if (this.headerType !== 'minimal') {
            await this.drawHeader();
        } else {
            this.drawMiniHeader();
        }

        // 绘制内容区域（加减法计算）
        this.drawDivider();
        await drawAdditionContent({
            canvas: this.canvas,
            ctx: this.ctx,
            problems: this.calculationData.problems,
            canvasWidth: this.canvasWidth,
            startY: this.currentY,
        });
    }
}

export default AdditionDraw;