import '../models/compliance.dart';
import '../models/shift.dart';
import '../models/timecard.dart';

/// Demo content. Everything is anchored to "now" so the app is live whenever
/// it is opened: the next shift always starts in 41 minutes.
abstract final class Seed {
  static DateTime get _now => DateTime.now();

  static DateTime _at(int dayOffset, int hour, int minute) {
    final base = _now.add(Duration(days: dayOffset));
    return DateTime(base.year, base.month, base.day, hour, minute);
  }

  static const _baristaReqs = [
    'Government ID',
    'Food handler certification',
    'Black pants',
    'Black shirt',
    'Non-slip black shoes',
  ];

  static List<Shift> shifts() {
    final now = _now;
    // Inside the 30-minute clock-in window, so the app opens on a shift you
    // can actually start.
    final soon = now.add(const Duration(minutes: 20));
    return [
      // Today: the shift you are about to clock into.
      Shift(
        id: 's1',
        role: 'Barista',
        business: 'Zoox',
        venue: 'Zoox - San Jose Hub',
        address: '848 E Gish Rd, San Jose CA',
        start: soon,
        end: soon.add(const Duration(hours: 6)),
        rate: 21.00,
        status: ShiftStatus.booked,
        distanceMiles: 2.4,
        manager: 'Kirk R. - Owner',
        requirements: _baristaReqs,
      ),
      Shift(
        id: 's2',
        role: 'Server',
        business: 'Google LLC',
        venue: 'Google LLC - Midpoint',
        address: 'Midpoint, Sunnyvale CA',
        start: _at(1, 13, 0),
        end: _at(1, 18, 0),
        rate: 24.00,
        status: ShiftStatus.booked,
        distanceMiles: 3.1,
        manager: 'Dana W. - Floor lead',
        requirements: _baristaReqs,
      ),
      // Open market, highest paying first.
      Shift(
        id: 's3',
        role: 'Bartender',
        business: 'Google LLC',
        venue: 'Google LLC - Midpoint',
        address: 'Midpoint, Sunnyvale CA',
        start: _at(2, 16, 0),
        end: _at(2, 23, 0),
        rate: 28.00,
        status: ShiftStatus.open,
        distanceMiles: 3.1,
        requirements: [..._baristaReqs, 'Responsible beverage service'],
      ),
      Shift(
        id: 's4',
        role: 'Barista',
        business: 'Zoox',
        venue: 'Zoox - San Jose Hub',
        address: '848 E Gish Rd, San Jose CA',
        start: _at(3, 18, 0),
        end: _at(3, 23, 50),
        rate: 21.00,
        status: ShiftStatus.open,
        distanceMiles: 2.4,
        requirements: _baristaReqs,
      ),
      Shift(
        id: 's5',
        role: 'Host',
        business: 'Google LLC',
        venue: 'Google LLC - Midpoint',
        address: 'Midpoint, Sunnyvale CA',
        start: _at(4, 11, 0),
        end: _at(4, 17, 0),
        rate: 19.50,
        status: ShiftStatus.open,
        distanceMiles: 3.1,
        requirements: _baristaReqs,
      ),
      Shift(
        id: 's6',
        role: 'Banquet server',
        business: 'Legendary Events',
        venue: 'Legendary Events - Convention Centre',
        address: '150 W San Carlos St, San Jose CA',
        start: _at(5, 9, 0),
        end: _at(5, 17, 30),
        rate: 22.50,
        status: ShiftStatus.open,
        distanceMiles: 4.8,
        requirements: _baristaReqs,
      ),
      // Worked history.
      Shift(
        id: 's7',
        role: 'Barista',
        business: 'Zoox',
        venue: 'Zoox - San Jose Hub',
        address: '848 E Gish Rd, San Jose CA',
        start: _at(-4, 17, 50),
        end: _at(-4, 23, 50),
        rate: 21.00,
        status: ShiftStatus.completed,
        distanceMiles: 2.4,
        clockIn: _at(-4, 18, 1),
        clockOut: _at(-4, 23, 50),
        requirements: _baristaReqs,
      ),
      Shift(
        id: 's8',
        role: 'Barista',
        business: 'Google LLC',
        venue: 'Google LLC - Midpoint',
        address: 'Midpoint, Sunnyvale CA',
        start: _at(-6, 11, 0),
        end: _at(-6, 18, 0),
        rate: 21.00,
        status: ShiftStatus.cancelled,
        distanceMiles: 3.1,
        requirements: _baristaReqs,
      ),
      Shift(
        id: 's9',
        role: 'Barista',
        business: 'Google LLC',
        venue: 'Google LLC - Midpoint',
        address: 'Midpoint, Sunnyvale CA',
        start: _at(-13, 9, 0),
        end: _at(-13, 15, 0),
        rate: 21.00,
        status: ShiftStatus.noShow,
        distanceMiles: 3.1,
        requirements: _baristaReqs,
      ),
    ];
  }

  static List<Timecard> timecards() {
    final worked = shifts().firstWhere((s) => s.id == 's7');
    return [
      Timecard(
        id: 'tc1',
        shiftId: worked.id,
        role: worked.role,
        business: worked.business,
        scheduledStart: worked.start,
        scheduledEnd: worked.end,
        clockIn: worked.clockIn!,
        clockOut: worked.clockOut!,
        breakMinutes: worked.breakMinutes,
        rate: worked.rate,
        status: TimecardStatus.needsReview,
        submittedAt: worked.clockOut!.add(const Duration(minutes: 12)),
      ),
    ];
  }

  static List<ComplianceItem> documents() => [
    ComplianceItem(
      id: 'd1',
      title: 'Government ID',
      subtitle: 'State ID or passport',
      state: ComplianceState.verified,
      fileName: 'government-id-front.jpg',
      fileMeta: '2.1 MB - uploaded 2 Aug',
      expires: DateTime(2029, 3, 14),
    ),
    ComplianceItem(
      id: 'd2',
      title: 'Social security',
      subtitle: 'Card or SSA letter',
      state: ComplianceState.verified,
      fileName: 'ssn-card.jpg',
      fileMeta: '1.2 MB - uploaded 2 Aug',
    ),
    ComplianceItem(
      id: 'd3',
      title: 'Work permit',
      subtitle: 'Right-to-work evidence',
      state: ComplianceState.verified,
      fileName: 'work-permit.pdf',
      fileMeta: '640 KB - uploaded 2 Aug',
    ),
    ComplianceItem(
      id: 'd4',
      title: 'Proof of address',
      subtitle: 'Bill or statement, last 90 days',
      state: ComplianceState.pending,
      statusLabel: 'In review',
      fileName: 'utility-bill.pdf',
      fileMeta: '380 KB - uploaded yesterday',
    ),
  ];

  static List<ComplianceItem> certificates() => [
    ComplianceItem(
      id: 'c1',
      title: 'Food handler certification',
      subtitle: 'Accepted by all California venues',
      state: ComplianceState.verified,
      statusLabel: 'Validated',
      fileName: 'food-safety-certificate.pdf',
      fileMeta: '840 KB - uploaded 2 Aug',
      expires: DateTime(2027, 3, 14),
    ),
    ComplianceItem(
      id: 'c2',
      title: 'Responsible beverage service',
      subtitle: 'Needed for bartender shifts',
      state: ComplianceState.verified,
      statusLabel: 'Validated',
      fileName: 'rbs-certificate.pdf',
      fileMeta: '510 KB - uploaded 2 Aug',
      expires: DateTime(2028, 1, 9),
    ),
    ComplianceItem(
      id: 'c3',
      title: 'CPR / AED',
      subtitle: 'Adds around 4 shifts a week near you',
      state: ComplianceState.missing,
      statusLabel: 'Not added',
      required_: false,
    ),
    ComplianceItem(
      id: 'c4',
      title: 'Forklift licence',
      subtitle: 'Warehouse and logistics roles',
      state: ComplianceState.missing,
      statusLabel: 'Not added',
      required_: false,
    ),
  ];

  static List<ComplianceItem> taxForms() => [
    ComplianceItem(
      id: 't1',
      title: 'Form I-9',
      subtitle: 'Employment eligibility verification',
      state: ComplianceState.verified,
      statusLabel: 'Approved',
      fileName: 'i9-form.pdf',
      fileMeta: 'Approved 3 Aug',
    ),
    ComplianceItem(
      id: 't2',
      title: 'Form W-4',
      subtitle: 'Sets how much tax is withheld',
      state: ComplianceState.verified,
      statusLabel: 'Approved',
      fileName: 'w4-form.pdf',
      fileMeta: 'Approved 3 Aug',
    ),
  ];

  static List<ComplianceItem> wardrobe() => [
    ComplianceItem(
      id: 'w1',
      title: 'Black pants',
      subtitle: 'Solid black dress pants or slacks',
      state: ComplianceState.verified,
      statusLabel: 'Approved',
      fileName: 'black-pants.jpg',
      fileMeta: '1.4 MB - uploaded 2 Aug',
    ),
    ComplianceItem(
      id: 'w2',
      title: 'Black shirt',
      subtitle: 'Plain, no logos',
      state: ComplianceState.verified,
      statusLabel: 'Approved',
      fileName: 'black-shirt.jpg',
      fileMeta: '1.1 MB - uploaded 2 Aug',
    ),
    ComplianceItem(
      id: 'w3',
      title: 'Non-slip black shoes',
      subtitle: 'Closed-toe, required on every shift',
      state: ComplianceState.verified,
      statusLabel: 'Approved',
      fileName: 'black-shoes.jpg',
      fileMeta: '0.9 MB - uploaded 2 Aug',
    ),
    ComplianceItem(
      id: 'w4',
      title: 'Black belt',
      subtitle: 'Plain, simple buckle',
      state: ComplianceState.missing,
      statusLabel: 'Not added',
      required_: false,
    ),
  ];

  static const workSettings = <String>[
    'Hospitality',
    'Restaurant',
    'Warehouse',
    'Logistics',
    'Events',
    'Stadiums',
    'Education',
    'Healthcare & cafeteria',
    'Convention centre',
    'Catering',
  ];

  static const skills = <String>[
    'Food prep',
    'Cooking',
    'Grilling',
    'Dishwashing',
    'Food service',
    'Banquet',
    'Bartender',
    'Barista',
    'Customer service',
    'Safe food handling',
    'Event setup',
  ];

  static const supportTopics = <String>[
    'Shift issue',
    'Pay or billing',
    'Schedule clash',
    'Account',
    'Bug report',
    'Feature idea',
  ];

  static const faqs = <String, List<(String, String)>>{
    'Getting started': [
      (
        'How do I finish my worker profile?',
        'Open Profile, then Compliance. Work down the sections until every one '
            'shows a green tick. You can accept shifts as soon as documents, '
            'tax forms and attire are complete.',
      ),
      (
        "Why can't I apply to shifts yet?",
        'Businesses only see workers who are fully compliant. Anything still '
            'marked yellow on the compliance hub is blocking you.',
      ),
    ],
    'Shifts and attendance': [
      (
        'How does clock-in work?',
        'The clock-in button unlocks 30 minutes before your shift starts, once '
            'you are within 150 m of the venue. Tap out when you leave and the '
            'timecard submits itself.',
      ),
      (
        'What happens if I request a swap?',
        'Your shift is offered to other qualified workers. You stay responsible '
            'for it until someone accepts, so keep an eye on notifications.',
      ),
      (
        'What counts as a no-show?',
        'Not clocking in within 30 minutes of the scheduled start, with no '
            'cancellation. No-shows cost 15 points of trust index each.',
      ),
    ],
    'Pay and compliance': [
      (
        'When do I actually get paid?',
        'Semi-monthly. Each period closes on the 15th and the last day of the '
            'month, and pays 11 days later.',
      ),
      (
        'How are documents verified?',
        'A reviewer checks each upload by hand, usually within one business '
            'day. You get a notification either way.',
      ),
    ],
  };
}