import { PLAN_COLOR_PALETTE } from './project-gantt.constants';

export function createSearchQuery() {
  return {
    routingName: '',
    productName: '',
    planCode: ''
  };
}

export function createHoverTooltipState() {
  return {
    visible: false,
    content: '',
    style: {
      left: '0px',
      top: '0px'
    }
  };
}

export function parseDate(value) {
  if (!value) {
    return null;
  }
  const date =
    value instanceof Date
      ? new Date(value)
      : new Date(String(value).replace(/-/g, '/'));
  if (Number.isNaN(date.getTime())) {
    return null;
  }
  return date;
}

export function startOfDay(date) {
  const target = new Date(date);
  target.setHours(0, 0, 0, 0);
  return target;
}

export function startOfMonth(date) {
  return new Date(date.getFullYear(), date.getMonth(), 1);
}

export function endOfMonth(date) {
  return new Date(date.getFullYear(), date.getMonth() + 1, 0);
}

export function formatDateKey(date) {
  const month = String(date.getMonth() + 1).padStart(2, '0');
  const day = String(date.getDate()).padStart(2, '0');
  return `${date.getFullYear()}-${month}-${day}`;
}

export function escapeHtml(value) {
  return String(value == null ? '' : value)
    .replace(/&/g, '&')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, '&#39;');
}

export function formatDateTime(value) {
  if (!value) {
    return '';
  }
  if (typeof value === 'string') {
    return value;
  }
  const date = parseDate(value);
  if (!date) {
    return '';
  }
  const month = String(date.getMonth() + 1).padStart(2, '0');
  const day = String(date.getDate()).padStart(2, '0');
  const hour = String(date.getHours()).padStart(2, '0');
  const minute = String(date.getMinutes()).padStart(2, '0');
  const second = String(date.getSeconds()).padStart(2, '0');
  return `${date.getFullYear()}-${month}-${day} ${hour}:${minute}:${second}`;
}

export function buildCalendarTooltipHtml(entries) {
  const list = Array.isArray(entries) ? entries : [entries];
  const blocks = list
    .map((entry, index) => {
      const rows = [
        { label: '产品名称', value: entry.productName || '' },
        { label: '工艺路线', value: entry.routingName || '' },
        {
          label: entry.productionOrderNumber ? '生产订单号' : '计划编码',
          value: entry.productionOrderNumber || entry.planCode || ''
        },
        { label: '产品编码', value: entry.productCode || '' },
        { label: '数量', value: entry.qty },
        { label: '规格', value: entry.specification || '' },
        { label: '型号', value: entry.modeType || '' },
        { label: '工位', value: entry.resourceName || '' },
        { label: '编码', value: entry.resourceCode || '' }
      ].filter(
        (item) =>
          item.value !== '' && item.value !== null && item.value !== undefined
      );
      return `
        <div class="gantt-tooltip-card__section">
          ${
            list.length > 1
              ? `<div class="gantt-tooltip-card__section-title">数据${
                  index + 1
                }</div>`
              : ''
          }
          ${rows
            .map(
              (item) => `
                <div class="gantt-tooltip-card__row">
                  <span class="gantt-tooltip-card__label">${escapeHtml(
                    item.label
                  )}：</span>
                  <span class="gantt-tooltip-card__value">${escapeHtml(
                    item.value
                  )}</span>
                </div>
              `
            )
            .join('')}
        </div>
      `;
    })
    .join('');
  return `
    <div class="gantt-tooltip-card">
      <div class="gantt-tooltip-card__title">
        工作日历详情${list.length > 1 ? `（${list.length}条）` : ''}
      </div>
      ${blocks}
    </div>
  `;
}

export function buildTooltipHtml(
  task,
  planMetaByCode = {},
  activeTab = '',
  resourceLabelMode = 'plan'
) {
  const planMeta = planMetaByCode[task.code] || {};
  const quantityText = [
    task.qty ?? task.productNum ?? planMeta.productNum,
    task.measuringUnit || task.unit || planMeta.measuringUnit || planMeta.unit
  ]
    .filter((item) => item !== '' && item !== null && item !== undefined)
    .join('');
  const isOrderSchedulingTooltip = resourceLabelMode === 'order';
  const orderTitleValue =
    task.productionOrderNumber ||
    task.apsWorkOrderCode ||
    task.workOrderCode ||
    task.productionOrderCode ||
    planMeta.productionOrderNumber ||
    planMeta.apsWorkOrderCode ||
    planMeta.workOrderCode ||
    task.planCode ||
    planMeta.planCode ||
    planMeta.code ||
    task.code ||
    planMeta.productName ||
    task.productName ||
    '';
  const title = isOrderSchedulingTooltip
    ? ['订单', orderTitleValue].filter(Boolean).join('：') || '订单信息'
    : [task.title, task.name || task.text || planMeta.productName]
        .filter(Boolean)
        .join('：') ||
      task.code ||
      '任务信息';
  const resourceRows =
    activeTab === 'team'
      ? [
          {
            label: '工位',
            value: task.resourceName || ''
          },
          {
            label: '编码',
            value: task.resourceCode || ''
          }
        ]
      : [];
  const rows = [
    {
      label: '计划编号',
      value: planMeta.code || planMeta.planCode || task.code || ''
    },
    {
      label: '开始时间',
      value: formatDateTime(
        task.rawStartDate || task.start_date || planMeta.startTime
      )
    },
    {
      label: '结束时间',
      value: formatDateTime(
        task.rawEndDate || task.end_date || planMeta.endTime
      )
    },
    {
      label: '产品名称',
      value: isOrderSchedulingTooltip
        ? planMeta.productName || task.productName || ''
        : planMeta.productName || task.text || task.name || ''
    },
    {
      label: '数量',
      value: quantityText
    },
    {
      label: '工艺路线',
      value:
        task.routingName ||
        planMeta.routingName ||
        planMeta.produceRoutingName ||
        ''
    },
    {
      label: '规格',
      value: planMeta.specification || planMeta.spec || ''
    },
    {
      label: '型号',
      value: task.modeType || planMeta.modeType || planMeta.model || ''
    },
    {
      label: '批次号',
      value:
        task.batchNo ||
        task.batchNumber ||
        task.batchCode ||
        planMeta.batchNo ||
        planMeta.batchNumber ||
        planMeta.batchCode ||
        ''
    },
    ...resourceRows,
    ...(resourceLabelMode === 'order'
      ? []
      : [
          {
            label: activeTab === 'factory' ? '工厂' : '班组',
            value:
              task.teamName ||
              planMeta.teamName ||
              planMeta.executionTeamName ||
              ''
          }
        ])
  ].filter((item) => item.value);
  return `
    <div class="gantt-tooltip-card">
      <div class="gantt-tooltip-card__title">${escapeHtml(title)}</div>
      ${rows
        .map(
          (item) => `
            <div class="gantt-tooltip-card__row">
              <span class="gantt-tooltip-card__label">${escapeHtml(
                item.label
              )}：</span>
              <span class="gantt-tooltip-card__value">${escapeHtml(
                item.value
              )}</span>
            </div>
          `
        )
        .join('')}
    </div>
  `;
}

export function resolveTaskColor(type) {
  if (type == 1) return '#02a7f0';
  if (type == 2) return '#fec0dc';
  if (type == 3) return '#62ddd4';
  if (type == 4) return '#d1a6ff';
  if (type == 5) return '#0e85fa';
  return '#8fb7ff';
}

export function hashString(value) {
  const text = String(value || '');
  let hash = 0;
  for (let i = 0; i < text.length; i++) {
    hash = (hash << 5) - hash + text.charCodeAt(i);
    hash |= 0;
  }
  return Math.abs(hash);
}

export function resolvePlanColor(planKey) {
  if (!planKey) {
    return PLAN_COLOR_PALETTE[0];
  }
  return PLAN_COLOR_PALETTE[hashString(planKey) % PLAN_COLOR_PALETTE.length];
}