import { format } from 'date-fns';

export const weekScaleTemplate = (a, b) => {
  return `${a.getMonth()} - ${b.getMonth()}`;
};

export const weekScaleAltTemplate = (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: 'yyyy' },
  { unit: 'month', step: 2, format: 'MMMM yyy' },
  { unit: 'week', step: 1, format: 'w' },
  { unit: 'day', step: 1, format: 'd', css: dayStyle },
];

export const bigScales = [
  { unit: 'year', step: 1, format: 'yyyy' },
  { unit: 'quarter', step: 1, format: 'QQQQ yyyy' },
  { unit: 'month', step: 1, format: 'MMMM yyy' },
  { unit: 'week', step: 1, format: weekScaleAltTemplate },
];

const generatedLinks = [
  { id: 1, source: 3, target: 4, type: 'e2s' },
  { id: 2, source: 1, target: 2, type: 'e2s' },
  { id: 24, source: 1, target: 13, type: 's2s' },
  { id: 22, source: 1, target: 6, type: 's2s' },
  { id: 23, source: 1, target: 3, type: 's2s' },
  { id: 21, source: 8, target: 1, type: 's2s' },
  { id: 25, source: 1, target: 14, type: 's2s' },
  { id: 26, source: 1, target: 15, type: 's2s' },
  { id: 27, source: 1, target: 16, type: 's2s' },
  { id: 28, source: 1, target: 14, type: 's2s' },
  { id: 3, source: 5, target: 6, type: 's2e' },
  { id: 4, source: 8, target: 6, type: 's2s' },
];

function getTasks(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 = 2 + ii - (ii >= 13 ? 12 : 0);
    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',
    });
  }

  tasks[3].parent = 3;
  tasks[4].parent = 3;
  tasks[5].parent = 3;
  tasks[6].parent = 6;
  tasks[7].parent = 6;
  tasks[8].parent = 6;
  tasks[9].parent = 9;
  tasks[10].parent = 9;
  tasks[11].parent = 9;

  tasks[2].type = 'summary';
  tasks[5].type = 'summary';
  tasks[8].type = 'summary';
  tasks[11].type = 'summary';
  tasks[15].type = 'milestone';
  delete tasks[15].end;

  return tasks;
}

const tasks = [
  {
    id: 1,
    start: new Date(2024, 3, 2),
    end: new Date(2024, 3, 17),
    text: 'Project planning',
    progress: 30,
    parent: 0,
    type: 'summary',
    open: true,
    details: "Outline the project's scope and resources.",
    assigned: '',
  },
  {
    id: 10,
    start: new Date(2024, 3, 2),
    end: new Date(2024, 3, 5),
    text: 'Marketing analysis',
    progress: 100,
    parent: 1,
    type: 'task',
    details: 'Analyze market trends and competitors.',
    assigned: 1,
  },
  {
    id: 11,
    start: new Date(2024, 3, 5),
    end: new Date(2024, 3, 7),
    text: 'Discussions',
    progress: 100,
    parent: 1,
    type: 'task',
    details: 'Team discussions on project strategies.',
    assigned: '',
  },
  {
    id: 110,
    start: new Date(2024, 3, 6),
    end: new Date(2024, 3, 9),
    text: 'Initial design',
    progress: 60,
    parent: 11,
    type: 'task',
    details: 'Draft initial design concepts.',
    assigned: '',
  },
  {
    id: 111,
    start: new Date(2024, 3, 9),
    text: 'Presentation',
    progress: 0,
    parent: 11,
    type: 'milestone',
    details: 'Present initial designs to stakeholders.',
    assigned: '',
  },
  {
    id: 112,
    start: new Date(2024, 3, 7),
    end: new Date(2024, 3, 12),
    text: 'Prototyping',
    progress: 10,
    parent: 11,
    type: 'task',
    assigned: '',
  },
  {
    id: 113,
    start: new Date(2024, 3, 8),
    end: new Date(2024, 3, 17),
    text: 'User testing',
    progress: 0,
    parent: 11,
    type: 'task',
    assigned: '',
  },

  {
    id: 12,
    start: new Date(2024, 3, 8),
    text: 'Approval of strategy',
    progress: 100,
    parent: 1,
    type: 'milestone',
    assigned: '',
  },

  {
    id: 2,
    start: new Date(2024, 3, 2),
    end: new Date(2024, 3, 12),
    text: 'Project management',
    progress: 10,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: 2,
  },
  {
    id: 20,
    start: new Date(2024, 3, 2),
    end: new Date(2024, 3, 6),
    text: 'Resource planning',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 21,
    start: new Date(2024, 3, 6),
    end: new Date(2024, 3, 8),
    text: 'Getting approval',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 22,
    start: new Date(2024, 3, 8),
    end: new Date(2024, 3, 10),
    text: 'Team introduction',
    progress: 0,
    parent: 2,
    type: 'task',
    assigned: '',
  },
  {
    id: 23,
    start: new Date(2024, 3, 10),
    end: new Date(2024, 3, 12),
    text: 'Resource management',
    progress: 10,
    parent: 2,
    type: 'task',
    assigned: '',
  },

  {
    id: 3,
    start: new Date(2024, 3, 9),
    end: new Date(2024, 4, 15),
    text: 'Development',
    progress: 30,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: '',
  },
  {
    id: 30,
    start: new Date(2024, 3, 9),
    end: new Date(2024, 3, 15),
    text: 'Prototyping',
    progress: 3,
    parent: 3,
    type: 'task',
    assigned: 3,
  },
  {
    id: 31,
    start: new Date(2024, 3, 15),
    end: new Date(2024, 3, 30),
    text: 'Basic functionality',
    progress: 0,
    parent: 3,
    type: 'task',
    assigned: '',
  },
  {
    id: 32,
    start: new Date(2024, 3, 30),
    end: new Date(2024, 4, 15),
    text: 'Finalizing MVA',
    progress: 0,
    parent: 3,
    type: 'task',
    assigned: '',
  },

  {
    id: 4,
    start: new Date(2024, 3, 9),
    end: new Date(2024, 4, 25),
    text: 'Testing',
    progress: 3,
    parent: 0,
    type: 'summary',
    open: true,
    assigned: '',
  },
  {
    id: 40,
    start: new Date(2024, 3, 9),
    end: new Date(2024, 3, 15),
    text: 'Testing prototype',
    progress: 3,
    parent: 4,
    type: 'task',
    assigned: 4,
  },
  {
    id: 41,
    start: new Date(2024, 3, 15),
    end: new Date(2024, 3, 30),
    text: 'Testing basic features',
    progress: 0,
    parent: 4,
    type: 'task',
    assigned: '',
  },
  {
    id: 42,
    start: new Date(2024, 3, 30),
    end: new Date(2024, 4, 15),
    text: 'Testing MVA',
    progress: 0,
    parent: 4,
    type: 'task',
    assigned: '',
  },
  {
    id: 43,
    start: new Date(2024, 4, 15),
    end: new Date(2024, 4, 25),
    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(2024, 4, 25),
    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',
  },
];

const scales = [
  { unit: 'month', step: 1, format: 'MMMM yyy' },
  { unit: 'day', step: 1, format: 'd', css: dayStyle },
];

export function getGeneratedData(prefix, maxSize, maxYears) {
  const tasks = getTasks(prefix, maxSize, maxYears);
  return { tasks, generatedLinks, scales };
}

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: 'MMM d' },
  { unit: 'hour', step: 1, format: 'HH:mm' },
];

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

const datasets = {
  day: { tasks, links, scales },
  hour: { tasks: tasksHour, links: linksHour, scales: scalesHour },
};

export function getData(name) {
  name = name || 'day';
  return datasets[name];
}

export function getBaselinesData() {
  const t = tasks.map((t) => ({
    ...t,
    base_start: t.start,
    base_end: t.end,
  }));

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

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: 'yyyy' }],
    },
    {
      minCellWidth: 150,
      maxCellWidth: 400,
      scales: [
        { unit: 'year', step: 1, format: 'yyyy' },
        { unit: 'quarter', step: 1, format: 'QQQQ' },
      ],
    },
    {
      minCellWidth: 250,
      maxCellWidth: 350,
      scales: [
        { unit: 'quarter', step: 1, format: 'QQQQ' },
        { unit: 'month', step: 1, format: 'MMMM yyy' },
      ],
    },
    {
      minCellWidth: 100,
      scales: [
        { unit: 'month', step: 1, format: 'MMMM yyy' },
        { unit: 'week', step: 1, format: "'week' w" },
      ],
    },
    {
      maxCellWidth: 200,
      scales: [
        { unit: 'month', step: 1, format: 'MMMM yyy' },
        { unit: 'day', step: 1, format: 'd', css: dayStyle },
      ],
    },
    {
      minCellWidth: 25,
      maxCellWidth: 100,
      scales: [
        { unit: 'day', step: 1, format: 'MMM d', css: dayStyle },
        { unit: 'hour', step: 6, format: hoursTemplate },
      ],
    },
    {
      maxCellWidth: 120,
      scales: [
        { unit: 'day', step: 1, format: 'MMM d', css: dayStyle },
        { unit: 'hour', step: 1, format: 'HH:mm' },
      ],
    },
  ],
};