(function () {
  function initDashboardAdmin() {
    if (!window.Chart) {
      return;
    }
    var dataNode = document.querySelector('script[data-admin-chart="true"]');
    if (!dataNode || dataNode.dataset.tsInit === '1') {
      return;
    }
    dataNode.dataset.tsInit = '1';
    var payload;
    try {
      payload = JSON.parse(dataNode.textContent || '{}');
    } catch (err) {
      console.error('Failed to parse admin chart payload', err);
      return;
    }
    window.__tsCharts = window.__tsCharts || {};
    var colors = ['#7B2FF7', '#FF5ACD', '#00C9A7', '#FFB347', '#2D9CDB'];
    var buildPalette = function (count) {
      var list = [];
      for (var i = 0; i < count; i += 1) {
        list.push(colors[i % colors.length]);
      }
      return list;
    };
    var createBarChart = function (canvasId, labels, values, valueLabel) {
      var canvas = document.getElementById(canvasId);
      if (!canvas) {
        return;
      }
      if (window.__tsCharts[canvasId]) {
        window.__tsCharts[canvasId].destroy();
      }
      window.__tsCharts[canvasId] = new Chart(canvas, {
        type: 'bar',
        options: {
          indexAxis: 'y',
          responsive: true,
          maintainAspectRatio: false,
          scales: {
            x: {
              beginAtZero: true,
              ticks: {
                precision: valueLabel === 'Jobs' ? 0 : 2,
                color: '#6c757d'
              }
            },
            y: {
              ticks: {
                color: '#6c757d',
                font: { size: 11 }
              }
            }
          },
          plugins: {
            legend: { display: false },
            tooltip: {
              callbacks: {
                label: function (context) {
                  return valueLabel + ': ' + context.raw;
                }
              }
            }
          }
        },
        data: {
          labels: labels,
          datasets: [{
            label: valueLabel,
            data: values,
            backgroundColor: buildPalette(values.length),
            borderRadius: 6,
            barThickness: 20,
            maxBarThickness: 24
          }]
        }
      });
    };
    var staffData = Array.isArray(payload.staff) ? payload.staff : [];
    var clientData = Array.isArray(payload.clients) ? payload.clients : [];
    createBarChart(
      'topStaffChart',
      staffData.map(function (item) { return item.name; }),
      staffData.map(function (item) { return Number(item.jobs); }),
      'Jobs'
    );
    createBarChart(
      'topClientsChart',
      clientData.map(function (item) { return item.name; }),
      clientData.map(function (item) { return Number(item.hours); }),
      'Hours'
    );
  }

  window.__tsInitDashboardAdmin = initDashboardAdmin;
  window.__tsPageInits = window.__tsPageInits || [];
  window.__tsPageInits.push(initDashboardAdmin);
})();