import { format } from 'date-fns';

export const weekScaleTemplate = (a, b) => {
  return `${format(a, 'MMM d')} - ${format(b, 'MMM d')}`;
};

export const dayStyle = (a) => {
  const day = a.getDay() == 5 || a.getDay() == 6;
  return day ? 'sday' : '';
};

export const complexScales = [
  { unit: 'year', step: 1, format: '%Y' },
  { unit: 'month', step: 2, format: '%F %Y' },
  { unit: 'week', step: 1, format: '%w' },
  { unit: 'day', step: 1, format: '%j', css: dayStyle },
];

export const bigScales = [
  { unit: 'year', step: 1, format: '%Y' },
  { unit: 'quarter', step: 1, format: '%Q %Y' },
  { unit: 'month', step: 1, format: '%F %Y' },
  { unit: 'week', step: 1, format: weekScaleTemplate },
];

function getGeneratedTasks(prefix, maxSize, maxYears) {
  maxYears = maxYears || 100;
  maxSize = maxSize || 50;
  prefix = prefix || '';
  const tasks = [];
  for (let i = 1; i <= maxSize; i++) {
    const ii = i % (365 * maxYears);

    let start = 1 + ii;
    let end = start + 1 + Math.round(Math.random() * 2);
    tasks.push({
      id: i,
      start: new Date(2020, 2, start),
      end: new Date(2020, 2, end),
      text: prefix + 'Task ' + i,
      progress: Math.round((100 * i) / maxSize),
      parent: 0,
      type: 'task',
    });
  }

  return tasks;
}

const tasks = [
  {
    id: 1,
    base_start: new Date(2026, 3, 2),
    base_end: new Date(2026, 3, 16),
    text: 'Project planning',
    progress: 40,
    parent: 0,
    type: 'summary',
    open: true,
    details: "Outline the project's scope and resources.",
    assigned: '',
  },
  {
    id: 10,
    start: new Date(2026, 3, 2),
    duration: 3,
    text: 'Marketing analysis',
    progress: 100,
    parent: 1,
    type: 'task',
    details: 'Analyze market trends and competitors.',
    assigned: 1,
  },
  {
    id: 11,
    start: new Date(2026, 3, 5),
    duration: 2,
    text: 'Discussions',
    progress: 72,
    parent: 1,
    type: 'task',
    details: 'Team discussions on project strategies.',
    assigned: '',
  },
  {
    id: 110,
    start: new Date(2026, 3, 6),
    duration: 3,
    text: 'Initial design',
    progress: 60,
    parent: 11,
    type: 'task',
    details: 'Draft initial design concepts.',
    assigned: '',
  },
  {
    id: 111,
    start: new Date(2026, 3, 9),
    text: 'Presentation',
    progress: 0,
    parent: 11,
    type: 'milestone',
    details: 'Present initial designs to stakeholders.',
    assigned: '',
  },
  {
    id: 112,
    start: new Date(2026, 3, 7),
    duration: 5,
    text: 'Prototyping',
    progress: 10,
    parent: 11,
    type: 'task',
    assigned: '',
  },
  {
    id: 113,
    start: new Date(2026, 3, 12),
    duration: 4,
    text: 'User testing',
    progress: 0,
    parent: 11,
    type: 'task',
    assigned: '',
  },

  {
    id: 12,
    start: new Date(2026, 3, 8),
    text: 'Approval of strategy',
    progress: 100,
    parent: 1,
    type: 'milestone',
    assigned: '',
  },

  {
    id: 2,
    base_start: new Date(2026, 3, 2),
    base_end: new Date(2026, 3, 12),
    text: 'Project management',
    progress: 8,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: 2,
  },
  {
    id: 20,
    start: new Date(2026, 3, 2),
    duration: 4,
    text: 'Resource planning',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 21,
    start: new Date(2026, 3, 6),
    duration: 2,
    text: 'Getting approval',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 22,
    start: new Date(2026, 3, 8),
    duration: 2,
    text: 'Team introduction',
    progress: 0,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 23,
    start: new Date(2026, 3, 10),
    duration: 2,
    text: 'Resource management',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },

  {
    id: 3,
    base_start: new Date(2026, 3, 9),
    base_end: new Date(2026, 3, 30),
    text: 'Development',
    progress: 2,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: '',
  },
  {
    id: 30,
    start: new Date(2026, 3, 9),
    duration: 6,
    text: 'Prototyping',
    progress: 7,
    parent: 3,
    type: 'task',
    assigned: 3,
  },
  {
    id: 31,
    start: new Date(2026, 3, 15),
    duration: 8,
    text: 'Basic functionality',
    progress: 0,
    parent: 3,
    type: 'task',
    assigned: '',
  },
  {
    id: 32,
    start: new Date(2026, 3, 23),
    duration: 7,
    text: 'Finalizing MVA',
    progress: 0,
    parent: 3,
    type: 'task',
    assigned: '',
  },

  {
    id: 4,
    base_start: new Date(2026, 3, 9),
    base_end: new Date(2026, 4, 3),
    text: 'Testing',
    progress: 4,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: '',
  },
  {
    id: 40,
    start: new Date(2026, 3, 9),
    duration: 4,
    text: 'Testing prototype',
    progress: 24,
    parent: 4,
    type: 'task',
    assigned: 4,
  },
  {
    id: 41,
    start: new Date(2026, 3, 15),
    duration: 6,
    text: 'Testing basic features',
    progress: 0,
    parent: 4,
    type: 'task',
    assigned: '',
  },
  {
    id: 42,
    start: new Date(2026, 3, 30),
    duration: 3,
    text: 'Testing MVA',
    progress: 0,
    parent: 4,
    type: 'task',
    assigned: '',
  },
  {
    id: 43,
    start: new Date(2026, 3, 23),
    duration: 10,
    text: 'Beta testing',
    progress: 0,
    parent: 4,
    type: 'task',
    details:
      'Comprehensive testing of the beta version before the final release.',
    assigned: '',
  },

  {
    id: 5,
    start: new Date(2026, 4, 3),
    text: 'Release 1.0.0',
    progress: 0,
    parent: 0,
    type: 'milestone',
    details: 'Official release of version 1.0.0 to the public.',
    assigned: '',
  },
];

const calendarTasks = [
  {
    id: 1,
    //start: new Date(2026, 3, 2),
    //end: new Date(2026, 3, 18),
    text: 'Project planning',
    progress: 40,
    parent: 0,
    type: 'summary',
    open: true,
    details: "Outline the project's scope and resources.",
    assigned: '',
  },
  {
    id: 10,
    start: new Date(2026, 3, 2),
    duration: 3,
    text: 'Marketing analysis',
    progress: 100,
    parent: 1,
    type: 'task',
    details: 'Analyze market trends and competitors.',
    assigned: 1,
  },
  {
    id: 11,
    start: new Date(2026, 3, 7),
    duration: 2,
    text: 'Discussions',
    progress: 72,
    parent: 1,
    type: 'task',
    details: 'Team discussions on project strategies.',
    assigned: '',
  },
  {
    id: 110,
    start: new Date(2026, 3, 6),
    duration: 4,
    text: 'Initial design',
    progress: 60,
    parent: 11,
    type: 'task',
    details: 'Draft initial design concepts.',
    assigned: '',
  },
  {
    id: 111,
    start: new Date(2026, 3, 11),
    text: 'Presentation',
    progress: 0,
    parent: 11,
    type: 'milestone',
    details: 'Present initial designs to stakeholders.',
    assigned: '',
  },
  {
    id: 112,
    start: new Date(2026, 3, 13),
    duration: 3,
    text: 'Prototyping',
    progress: 10,
    parent: 11,
    type: 'task',
    assigned: '',
  },
  {
    id: 113,
    start: new Date(2026, 3, 16),
    duration: 4,
    text: 'User testing',
    progress: 0,
    parent: 11,
    type: 'task',
    assigned: '',
  },

  {
    id: 12,
    start: new Date(2026, 3, 9),
    text: 'Approval of strategy',
    progress: 100,
    parent: 1,
    type: 'milestone',
    assigned: '',
  },

  {
    id: 2,
    //start: new Date(2026, 3, 2),
    //end: new Date(2026, 3, 14),
    text: 'Project management',
    progress: 8,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: 2,
  },
  {
    id: 20,
    start: new Date(2026, 3, 2),
    duration: 3,
    text: 'Resource planning',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 21,
    start: new Date(2026, 3, 8),
    text: 'Getting approval',
    progress: 10,
    parent: 2,
    type: 'milestone',
    assigned: '',
  },
  {
    id: 22,
    start: new Date(2026, 3, 8),
    duration: 2,
    text: 'Team introduction',
    progress: 0,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 23,
    start: new Date(2026, 3, 10),
    duration: 2,
    text: 'Resource management',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },

  {
    id: 3,
    //start: new Date(2026, 3, 9),
    //end: new Date(2026, 4, 8),
    text: 'Development',
    progress: 2,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: '',
  },
  {
    id: 30,
    start: new Date(2026, 3, 13),
    duration: 4,
    text: 'Prototyping',
    progress: 7,
    parent: 3,
    type: 'task',
    assigned: 3,
  },
  {
    id: 31,
    start: new Date(2026, 3, 17),
    duration: 8,
    text: 'Basic functionality',
    progress: 0,
    parent: 3,
    type: 'task',
    assigned: '',
  },
  {
    id: 32,
    start: new Date(2026, 3, 29),
    duration: 7,
    text: 'Finalizing MVA',
    progress: 0,
    parent: 3,
    type: 'task',
    assigned: '',
  },

  {
    id: 4,
    //start: new Date(2026, 3, 9),
    //end: new Date(2026, 4, 13),
    text: 'Testing',
    progress: 4,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: '',
  },
  {
    id: 40,
    start: new Date(2026, 3, 17),
    duration: 4,
    text: 'Testing prototype',
    progress: 24,
    parent: 4,
    type: 'task',
    assigned: 4,
  },
  {
    id: 41,
    start: new Date(2026, 3, 29),
    duration: 6,
    text: 'Testing basic features',
    progress: 0,
    parent: 4,
    type: 'task',
    assigned: '',
  },
  {
    id: 42,
    start: new Date(2026, 4, 8),
    duration: 3,
    text: 'Testing MVA',
    progress: 0,
    parent: 4,
    type: 'task',
    assigned: '',
  },
  {
    id: 43,
    start: new Date(2026, 4, 13),
    duration: 3,
    text: 'Beta testing',
    progress: 0,
    parent: 4,
    type: 'task',
    details:
      'Comprehensive testing of the beta version before the final release.',
    assigned: '',
  },

  {
    id: 5,
    start: new Date(2026, 4, 18),
    text: 'Release 1.0.0',
    progress: 0,
    parent: 0,
    type: 'milestone',
    details: 'Official release of version 1.0.0 to the public.',
    assigned: '',
  },
];
const links = [
  {
    id: 1,
    source: 10,
    target: 11,
    type: 'e2s',
  },
  {
    id: 2,
    source: 11,
    target: 12,
    type: 'e2s',
  },
  {
    id: 3,
    source: 110,
    target: 111,
    type: 'e2s',
  },
  {
    id: 4,
    source: 20,
    target: 21,
    type: 'e2s',
  },
  {
    id: 5,
    source: 21,
    target: 22,
    type: 'e2s',
  },
  {
    id: 6,
    source: 22,
    target: 23,
    type: 'e2s',
  },
  {
    id: 7,
    source: 42,
    target: 5,
    type: 'e2s',
  },
  {
    id: 8,
    source: 112,
    target: 113,
    type: 'e2s',
  },
  {
    id: 9,
    source: 30,
    target: 31,
    type: 'e2s',
  },
  {
    id: 10,
    source: 31,
    target: 32,
    type: 'e2s',
  },
  {
    id: 11,
    source: 32,
    target: 42,
    type: 'e2s',
  },
];

const tasksHour = [
  {
    id: 1,
    start: new Date(2025, 3, 10, 8, 0),
    end: new Date(2025, 3, 10, 20, 0),
    text: 'Preparing Venue',
    progress: 90,
    parent: 0,
    type: 'summary',
    open: true,
  },
  {
    id: 11,
    start: new Date(2025, 3, 10, 8, 0),
    end: new Date(2025, 3, 10, 12, 0),
    text: 'Stage Setup',
    progress: 100,
    parent: 1,
    type: 'task',
  },
  {
    id: 12,
    start: new Date(2025, 3, 10, 12, 0),
    end: new Date(2025, 3, 10, 17, 0),
    text: 'Technical Setup',
    progress: 100,
    parent: 1,
    type: 'task',
  },
  {
    id: 13,
    start: new Date(2025, 3, 10, 14, 0),
    end: new Date(2025, 3, 10, 20, 0),
    text: 'Decoration',
    progress: 85,
    parent: 1,
    type: 'task',
  },
  {
    id: 2,
    start: new Date(2025, 3, 10, 16, 0),
    end: new Date(2025, 3, 10, 22, 0),
    text: 'Rehearsal Session',
    progress: 60,
    parent: 0,
    type: 'summary',
    open: true,
  },
  {
    id: 21,
    start: new Date(2025, 3, 10, 16, 0),
    end: new Date(2025, 3, 10, 19, 0),
    text: 'Speakers Rehearsal',
    progress: 100,
    parent: 2,
    type: 'task',
  },
  {
    id: 22,
    start: new Date(2025, 3, 10, 19, 0),
    text: 'Sound Check',
    progress: 0,
    parent: 2,
    type: 'milestone',
  },
  {
    id: 23,
    start: new Date(2025, 3, 10, 19, 0),
    end: new Date(2025, 3, 10, 22, 0),
    text: 'Full Run-through',
    progress: 40,
    parent: 2,
    type: 'task',
  },

  {
    id: 3,
    start: new Date(2025, 3, 11, 8, 0),
    end: new Date(2025, 3, 11, 21, 0),
    text: 'Conference Day',
    progress: 0,
    parent: 0,
    type: 'summary',
    open: true,
  },
  {
    id: 31,
    start: new Date(2025, 3, 11, 8, 0),
    end: new Date(2025, 3, 11, 12, 0),
    text: 'Catering setup',
    progress: 0,
    parent: 3,
    type: 'task',
  },
  {
    id: 32,
    start: new Date(2025, 3, 11, 10, 0),
    end: new Date(2025, 3, 11, 12, 0),
    text: 'Tech Check',
    progress: 0,
    parent: 3,
    type: 'task',
  },
  {
    id: 33,
    start: new Date(2025, 3, 11, 12, 0),
    end: new Date(2025, 3, 11, 16, 0),
    text: 'Registration',
    progress: 0,
    parent: 3,
    type: 'task',
  },
  {
    id: 34,
    start: new Date(2025, 3, 11, 16, 0),
    end: new Date(2025, 3, 11, 20, 0),
    text: 'Main Conference',
    progress: 0,
    parent: 3,
    type: 'task',
  },
  {
    id: 35,
    start: new Date(2025, 3, 11, 20, 0),
    text: 'Closing Ceremony',
    progress: 0,
    parent: 3,
    type: 'milestone',
  },
];

const linksHour = [
  { id: 1, source: 11, target: 12, type: 'e2s' },
  { id: 2, source: 21, target: 22, type: 'e2s' },
  { id: 3, source: 22, target: 23, type: 'e2s' },
  { id: 4, source: 32, target: 33, type: 'e2s' },
  { id: 5, source: 33, target: 34, type: 'e2s' },
  { id: 6, source: 34, target: 35, type: 'e2s' },
];

const scalesHour = [
  { unit: 'day', step: 1, format: '%M %j' },
  { unit: 'hour', step: 1, format: '%H:%i' },
];

const critTasks = [
  {
    id: 10,
    start: new Date(2026, 3, 2),
    end: new Date(2026, 3, 5),
    text: 'Marketing analysis',
    progress: 100,
    type: 'task',
    details: 'Analyze market trends and competitors.',
  },
  {
    id: 11,
    start: new Date(2026, 3, 5),
    end: new Date(2026, 3, 7),
    text: 'Discussions',
    progress: 72,
    type: 'task',
    open: true,
    details: 'Team discussions on project strategies.',
  },
  {
    id: 110,
    start: new Date(2026, 3, 6),
    end: new Date(2026, 3, 9),
    text: 'Initial design',
    progress: 60,
    parent: 11,
    type: 'task',
    details: 'Draft initial design concepts.',
  },
  {
    id: 111,
    start: new Date(2026, 3, 9),
    text: 'Presentation',
    progress: 0,
    parent: 11,
    type: 'milestone',
    details: 'Present initial designs to stakeholders.',
  },
  {
    id: 112,
    start: new Date(2026, 3, 7),
    end: new Date(2026, 3, 12),
    text: 'Prototyping',
    progress: 10,
    parent: 11,
    type: 'task',
  },
  {
    id: 113,
    start: new Date(2026, 3, 2),
    end: new Date(2026, 3, 10),
    text: 'User testing',
    progress: 0,
    parent: 11,
    type: 'task',
  },

  {
    id: 12,
    start: new Date(2026, 3, 8),
    text: 'Approval of strategy',
    progress: 100,
    type: 'milestone',
  },
  {
    id: 2,
    start: new Date(2026, 3, 2),
    end: new Date(2026, 3, 12),
    text: 'Project management 1',
    progress: 8,
    parent: 0,
    type: 'summary',
    open: true,
  },
  {
    id: 20,
    start: new Date(2026, 3, 2),
    end: new Date(2026, 3, 6),
    text: 'Resource planning',
    progress: 10,
    type: 'task',
    parent: 2,
  },
  {
    id: 21,
    start: new Date(2026, 3, 6),
    end: new Date(2026, 3, 8),
    text: 'Getting approval',
    progress: 10,
    type: 'task',
    parent: 2,
  },
  {
    id: 22,
    start: new Date(2026, 3, 8),
    end: new Date(2026, 3, 10),
    text: 'Team introduction',
    progress: 0,
    type: 'task',
    parent: 2,
  },
  {
    id: 23,
    start: new Date(2026, 3, 10),
    end: new Date(2026, 3, 12),
    text: 'Resource management 1',
    progress: 10,
    type: 'task',
    parent: 2,
  },
  {
    id: 24,
    start: new Date(2026, 3, 12),
    text: 'Phase 1',
    progress: 100,
    type: 'milestone',
    parent: 2,
  },
  {
    id: 3,
    start: new Date(2026, 3, 2),
    end: new Date(2026, 3, 12),
    text: 'Project management 2',
    progress: 8,
    parent: 0,
    type: 'summary',
    open: true,
  },
  {
    id: 30,
    start: new Date(2026, 3, 2),
    end: new Date(2026, 3, 6),
    text: 'Resource planning',
    progress: 10,
    type: 'task',
    parent: 3,
  },
  {
    id: 31,
    start: new Date(2026, 3, 6),
    end: new Date(2026, 3, 8),
    text: 'Getting approval',
    progress: 10,
    type: 'task',
    parent: 3,
  },
  {
    id: 32,
    start: new Date(2026, 3, 8),
    end: new Date(2026, 3, 10),
    text: 'Team introduction',
    progress: 0,
    type: 'task',
    parent: 3,
  },
  {
    id: 33,
    start: new Date(2026, 3, 10),
    end: new Date(2026, 3, 12),
    text: 'Resource management 1',
    progress: 10,
    type: 'task',
    parent: 3,
  },
  {
    id: 34,
    start: new Date(2026, 3, 10),
    end: new Date(2026, 3, 12),
    text: 'Resource management 2',
    progress: 10,
    type: 'task',
    parent: 3,
  },
];

const critLinks = [
  {
    id: 1,
    source: 10,
    target: 11,
    type: 'e2s',
  },
  {
    id: 2,
    source: 11,
    target: 12,
    type: 'e2s',
  },
  {
    id: 3,
    source: 110,
    target: 111,
    type: 'e2s',
  },
  {
    id: 4,
    source: 20,
    target: 21,
    type: 'e2s',
  },
  {
    id: 5,
    source: 21,
    target: 22,
    type: 'e2s',
  },
  {
    id: 6,
    source: 22,
    target: 23,
    type: 'e2s',
  },
  {
    id: 7,
    source: 23,
    target: 24,
    type: 'e2s',
  },
  {
    id: 8,
    source: 30,
    target: 31,
    type: 'e2s',
  },
  {
    id: 9,
    source: 31,
    target: 32,
    type: 'e2s',
  },
  {
    id: 10,
    source: 32,
    target: 33,
    type: 'e2s',
  },
  {
    id: 11,
    source: 32,
    target: 34,
    type: 'e2s',
  },
];

export const users = [
  { id: 1, label: 'Laura Turner' },
  { id: 2, label: 'Robert Williams' },
  { id: 3, label: 'Mary Johnson' },
  { id: 4, label: 'John Doe' },
];

function addDays(d, n) {
  return new Date(new Date(d).setDate(d.getDate() + n));
}

const scales = [
  { unit: 'month', step: 1, format: '%F %Y' },
  { unit: 'day', step: 1, format: '%j', css: dayStyle },
];

const datasets = {
  day: { tasks, links, scales },
  hour: { tasks: tasksHour, links: linksHour, scales: scalesHour },
  critical: { tasks: critTasks, links: critLinks, scales },
  calendar: { tasks: calendarTasks, links, scales },
};

export function getData(name, config) {
  const data = datasets[name || 'day'];

  if (config?.baselines) {
    data.tasks = data.tasks.map((t) => {
      if (!t.base_start) {
        t.base_start = t.start;
        t.base_end = t.end;
        t.base_duration = t.duration;
      }
      return t;
    });
  }
  if (config?.splitTasks) {
    const t = data.tasks.find((t) => t.id === 20);
    let { start } = t;

    t.segments = [
      {
        start,
        duration: 1,
        text: 'Part A',
      },
      {
        start: addDays(start, name === 'calendar' ? 4 : 2),
        duration: 2,
        text: 'Part B',
      },
    ];
  }
  if (config?.unscheduledTasks) {
    const t = data.tasks.find((t) => t.id === 22);
    t.unscheduled = true;
    t.end = new Date(2026, 3, 10);
  }

  return data;
}

export const taskTypes = [
  { id: 'task', label: 'Task' },
  { id: 'summary', label: 'Summary task' },
  { id: 'milestone', label: 'Milestone' },
  { id: 'urgent', label: 'Urgent' },
  { id: 'narrow', label: 'Narrow' },
  { id: 'progress', label: 'Progress' },
  { id: 'round', label: 'Rounded' },
];

export function getTypedData() {
  const t = tasks.map((task, i) => {
    const res = { ...task };
    if (res.type == 'task' && i % 3) {
      res.type = taskTypes[(i % 5) + 2].id;
    }
    return res;
  });

  return { tasks: t, links, scales };
}

function hoursTemplate(a, b) {
  return `${format(a, 'HH:mm')} - ${format(b, 'HH:mm')}`;
}
export const zoomConfig = {
  level: 3,
  levels: [
    {
      minCellWidth: 200,
      maxCellWidth: 400,
      scales: [{ unit: 'year', step: 1, format: '%Y' }],
    },
    {
      minCellWidth: 150,
      maxCellWidth: 400,
      scales: [
        { unit: 'year', step: 1, format: '%Y' },
        { unit: 'quarter', step: 1, format: '%Q' },
      ],
    },
    {
      minCellWidth: 250,
      maxCellWidth: 350,
      scales: [
        { unit: 'quarter', step: 1, format: '%Q' },
        { unit: 'month', step: 1, format: '%F %Y' },
      ],
    },
    {
      minCellWidth: 100,
      scales: [
        { unit: 'month', step: 1, format: '%F %Y' },
        { unit: 'week', step: 1, format: 'Week %W' },
      ],
    },
    {
      maxCellWidth: 200,
      scales: [
        { unit: 'month', step: 1, format: '%F %Y' },
        { unit: 'day', step: 1, format: '%j', css: dayStyle },
      ],
    },
    {
      minCellWidth: 25,
      maxCellWidth: 100,
      scales: [
        { unit: 'day', step: 1, format: '%M %j', css: dayStyle },
        { unit: 'hour', step: 6, format: hoursTemplate },
      ],
    },
    {
      maxCellWidth: 120,
      scales: [
        { unit: 'day', step: 1, format: '%M %j', css: dayStyle },
        { unit: 'hour', step: 1, format: '%H:%i' },
      ],
    },
  ],
};

export function getGeneratedData(prefix, maxSize, maxYears) {
  const tasks = getGeneratedTasks(prefix, maxSize, maxYears);
  const links = [];
  for (let i = 1; i < tasks.length; i++)
    links.push({
      id: i,
      source: i - 1,
      target: i,
      type: 'e2s',
    });
  return { tasks, links, scales };
}