import test from 'node:test';
import assert from 'node:assert/strict';
import { toEChartsOption } from './analysis-chart-renderer';
import type { UnifiedChartSpec } from '@ftb/shared';

test('toEChartsOption renders line_area with smooth line and area gradient', () => {
  const spec: UnifiedChartSpec = {
    kind: 'line_area',
    title: '需求完成趋势',
    dataset: { source: [{ label: '2026-07-01', value: 3 }], x: 'label', y: 'value' },
    encoding: {
      x: { field: 'label', label: '日期' },
      y: { field: 'value', label: '完成数' },
      value: { field: 'value', label: '完成数' },
      color: { mode: 'single' },
    },
    annotations: [{ type: 'peak', label: '峰值', field: 'value', value: 3 }],
    stylePreset: 'apple_vision_light',
  };

  const option: any = toEChartsOption(spec);

  assert.equal(option.series[0].type, 'line');
  assert.equal(option.series[0].smooth, true);
  assert.ok(option.series[0].areaStyle);
  assert.equal(option.xAxis.show, true);
  assert.equal(option.yAxis.splitLine.show, false);
});

test('toEChartsOption renders horizontal_bar with rounded bars and single color', () => {
  const option: any = toEChartsOption({
    kind: 'horizontal_bar',
    title: '部门负载',
    dataset: { source: [{ label: '研发', value: 8 }], label: 'label', value: 'value' },
    encoding: {
      value: { field: 'value', label: '待办数' },
      color: { mode: 'single' },
    },
    stylePreset: 'apple_vision_light',
  });

  assert.equal(option.series[0].type, 'bar');
  assert.deepEqual(option.series[0].itemStyle.borderRadius, [0, 8, 8, 0]);
  assert.equal(option.color.length, 1);
});