import { ARCH_TOOTH_LOWER, ARCH_TOOTH_UPPER } from '../../common/fdi';
import {
  PROSTHESIS_TYPES,
  PROSTHESIS_CATEGORY_LABELS,
  PROSTHESIS_SUBCATEGORY_LABELS,
} from '../../../prisma/catalog-seed-data';
import {
  resolveConnectedSpans,
  resolveProsthesisAssignment,
  resolveVoiceIntent,
  type ProsthesisLeaf,
  type ResolveContext,
} from './extraction.resolver';
import type {
  ProsthesisAssignment,
  ToothIntent,
  UnresolvedItem,
  VoiceIntent,
} from './voice.types';

const tooth = (fdi: string, spoken = fdi): ToothIntent => ({
  kind: 'explicit',
  fdi,
  spoken,
});

const positional = (
  overrides: Partial<Extract<ToothIntent, { kind: 'positional' }>> = {},
): ToothIntent => ({
  kind: 'positional',
  arch: undefined as never,
  side: undefined as never,
  position: Number.NaN,
  spoken: '',
  ...overrides,
});

const PROSTHESIS_LEAVES: ProsthesisLeaf[] = [
  {
    code: 'pfm_crown',
    category: 'crown',
    subcategory: '',
    chartRegion: 'crown',
  },
  {
    code: 'monolithic_zirconia',
    category: 'crown',
    subcategory: '',
    chartRegion: 'crown',
  },
  {
    code: 'zirconia_abutment',
    category: 'implant',
    subcategory: '',
    chartRegion: 'root',
  },
  {
    code: 'screw_retained',
    category: 'implant',
    subcategory: '',
    chartRegion: 'crown',
  },
  {
    code: 'night_guard_soft',
    category: 'appliance',
    subcategory: 'night_guard',
    chartRegion: 'arch',
  },
  {
    code: 'complete_denture',
    category: 'removable',
    subcategory: '',
    chartRegion: 'arch',
  },
  {
    code: 'partial_denture',
    category: 'removable',
    subcategory: '',
    chartRegion: 'crown',
  },
];

const CTX: ResolveContext = {
  todayIso: '2025-10-11',
  weekStartJs: 6, // Saturday — the fa week

  treatmentTypeCodes: new Set(['restoration', 'prosthesis', 'extraction']),
  prosthesisLeaves: PROSTHESIS_LEAVES,
  prosthesisCategoryCodes: new Set([
    'crown',
    'implant',
    'removable',
    'appliance',
  ]),
  prosthesisSubcategoryCodes: new Set(['night_guard']),
  linkedLabIds: new Set(['lab-sina', 'lab-mehr']),
};

describe('resolveConnectedSpans', () => {
  it('selects the teeth between the endpoints, which were never named', () => {
    // "a bridge from 14 to 16" must select 15 too.
    const result = resolveConnectedSpans(
      [{ from: tooth('14'), to: tooth('16') }],
      [],
    );
    expect(result.teeth).toEqual(['14', '15', '16']);
    expect(result.groups).toEqual([
      { groupId: 'voice-c1', kind: 'connected', teeth: ['16', '15', '14'] },
    ]);
  });

  it('orders group teeth along the arch, not lexically', () => {
    const result = resolveConnectedSpans(
      [{ from: tooth('16'), to: tooth('14') }],
      [],
    );
    expect(result.groups[0].teeth).toEqual(['16', '15', '14']);
  });

  it('spans the midline', () => {
    const result = resolveConnectedSpans(
      [{ from: tooth('12'), to: tooth('22') }],
      [],
    );
    expect(result.groups[0].teeth).toEqual(['12', '11', '21', '22']);
  });

  it('merges overlapping spans into one bridge', () => {
    const result = resolveConnectedSpans(
      [
        { from: tooth('14'), to: tooth('16') },
        { from: tooth('15'), to: tooth('17') },
      ],
      [],
    );
    const connected = result.groups.filter((g) => g.kind === 'connected');
    expect(connected).toHaveLength(1);
    expect(connected[0].teeth).toEqual(['17', '16', '15', '14']);
  });

  it('gives loose teeth their own single groups', () => {
    const result = resolveConnectedSpans(
      [{ from: tooth('14'), to: tooth('15') }],
      ['26'],
    );
    expect(result.groups).toEqual([
      { groupId: 'voice-c1', kind: 'connected', teeth: ['15', '14'] },
      { groupId: 'voice-s-26', kind: 'single', teeth: ['26'] },
    ]);
  });

  it('never produces a one-tooth connected group', () => {
    const result = resolveConnectedSpans(
      [{ from: tooth('14'), to: tooth('14') }],
      [],
    );
    expect(result.groups).toEqual([
      { groupId: 'voice-s-14', kind: 'single', teeth: ['14'] },
    ]);
    expect(result.unresolved).toEqual([]);
  });

  it('reports a cross-arch span rather than guessing', () => {
    const result = resolveConnectedSpans(
      [{ from: tooth('14', 'چهارده'), to: tooth('44', 'چهل و چهار') }],
      [],
    );
    expect(result.groups).toEqual([]);
    expect(result.unresolved).toEqual([
      { spoken: 'چهارده → چهل و چهار', reason: 'span_not_same_arch' },
    ]);
  });

  it('reports a span with an unresolvable endpoint', () => {
    const result = resolveConnectedSpans(
      [{ from: tooth('14'), to: tooth('99') }],
      [],
    );
    expect(result.unresolved[0].reason).toBe('malformed');
  });

  it('survives a non-array', () => {
    expect(resolveConnectedSpans(undefined as never, ['14']).teeth).toEqual([
      '14',
    ]);
  });
});

describe('resolveProsthesisAssignment', () => {
  function resolve(assignment: ProsthesisAssignment, index = 0) {
    const unresolved: UnresolvedItem[] = [];
    const resolved = resolveProsthesisAssignment(
      assignment,
      index,
      CTX,
      unresolved,
    );
    return { resolved, unresolved };
  }

  it('resolves explicit tooth targets to FDI codes', () => {
    const { resolved } = resolve({
      targets: [tooth('12'), tooth('13')],
      types: ['pfm_crown'],
      spoken: 'روکش پی‌اف‌ام برای ۱۲ و ۱۳',
    });
    expect(resolved.targets.sort()).toEqual(['12', '13']);
    expect(resolved.types).toEqual(['pfm_crown']);
  });

  it('resolves a stack — more than one type on the same target', () => {
    const { resolved } = resolve({
      targets: [tooth('12')],
      types: ['zirconia_abutment', 'monolithic_zirconia'],
      spoken: 'ایمپلنت با روکش زیرکونیا روی ۱۲',
    });
    expect(resolved.targets).toEqual(['12']);
    expect(resolved.types.sort()).toEqual([
      'monolithic_zirconia',
      'zirconia_abutment',
    ]);
  });

  it('resolves an arch target with no position to the jaw sentinel', () => {
    const { resolved } = resolve({
      targets: [positional({ arch: 'upper' })],
      types: ['night_guard_soft'],
      spoken: 'نایت گارد فک بالا',
    });
    expect(resolved.targets).toEqual([ARCH_TOOTH_UPPER]);
  });

  it('resolves "both jaws" to both sentinels', () => {
    const { resolved } = resolve({
      targets: [positional({ arch: 'both' })],
      types: ['night_guard_soft'],
      spoken: 'نایت گارد هر دو فک',
    });
    expect(resolved.targets.sort()).toEqual(
      [ARCH_TOOTH_LOWER, ARCH_TOOTH_UPPER].sort(),
    );
  });

  it('classifies a leaf, a category and a subcategory code independently', () => {
    const leaf = resolve({
      targets: [tooth('12')],
      types: ['pfm_crown'],
      spoken: '',
    });
    expect(leaf.resolved.types).toEqual(['pfm_crown']);
    expect(leaf.unresolved).toEqual([]);

    const category = resolve({
      targets: [tooth('12')],
      types: ['crown'],
      spoken: 'روکش',
    });
    expect(category.resolved.types).toEqual([]);
    expect(category.unresolved).toEqual([
      {
        spoken: 'روکش',
        reason: 'prosthesis_type_ambiguous',
        candidates: ['monolithic_zirconia', 'pfm_crown'],
        assignmentIndex: 0,
      },
    ]);

    const subcategory = resolve({
      targets: [positional({ arch: 'upper' })],
      types: ['night_guard'],
      spoken: 'نایت گارد',
    });
    expect(subcategory.resolved.types).toEqual([]);
    expect(subcategory.unresolved[0]).toMatchObject({
      reason: 'prosthesis_type_ambiguous',
      candidates: ['night_guard_soft'],
    });
  });

  it('asserts the leaf, category and subcategory namespaces are disjoint on the live catalog', () => {
    const leafCodes = new Set(PROSTHESIS_TYPES.map((t) => t.code));
    const categoryCodes = new Set(PROSTHESIS_TYPES.map((t) => t.category));
    const subcategoryCodes = new Set(
      PROSTHESIS_TYPES.map((t) => t.subcategory).filter(
        (code): code is string => Boolean(code),
      ),
    );
    for (const code of categoryCodes) expect(leafCodes.has(code)).toBe(false);
    for (const code of subcategoryCodes) {
      expect(leafCodes.has(code)).toBe(false);
      expect(categoryCodes.has(code)).toBe(false);
    }
  });

  it('reports a code not in the supplied catalog', () => {
    const { resolved, unresolved } = resolve({
      targets: [tooth('12')],
      types: ['gold_foil'],
      spoken: '',
    });
    expect(resolved.types).toEqual([]);
    expect(unresolved).toEqual([
      {
        spoken: 'gold_foil',
        reason: 'unknown_catalog_code',
        assignmentIndex: 0,
      },
    ]);
  });

  it('rejects an arch code aimed at a tooth', () => {
    const { resolved, unresolved } = resolve({
      targets: [tooth('12')],
      types: ['night_guard_soft'],
      spoken: 'دندون ۱۲ نایت گارد',
    });
    expect(resolved.targets).toEqual([]);
    expect(unresolved).toEqual([
      { spoken: '12', reason: 'code_not_valid_for_target', assignmentIndex: 0 },
    ]);
  });

  it('rejects a tooth code aimed at a jaw', () => {
    const { resolved, unresolved } = resolve({
      targets: [positional({ arch: 'upper', spoken: 'فک بالا' })],
      types: ['pfm_crown'],
      spoken: 'فک بالا',
    });
    expect(resolved.targets).toEqual([]);
    expect(unresolved).toEqual([
      {
        spoken: 'فک بالا',
        reason: 'code_not_valid_for_target',
        assignmentIndex: 0,
      },
    ]);
  });

  it('narrows a mixed-region category to the leaves the target can carry', () => {
    // complete_denture is 'arch', partial_denture is 'crown'. Deferring the check until a
    // leaf was picked left nothing to complete it, and wrote a complete denture onto one
    // tooth. The target kind narrows the candidates instead, so an impossible leaf is never
    // offered.
    const toothTarget = resolve({
      targets: [tooth('12')],
      types: ['removable'],
      spoken: 'دنچر برای ۱۲',
    });
    expect(toothTarget.resolved.targets).toEqual(['12']);
    expect(toothTarget.unresolved).toContainEqual(
      expect.objectContaining({
        reason: 'prosthesis_type_ambiguous',
        candidates: ['partial_denture'],
      }),
    );
    expect(toothTarget.unresolved).not.toContainEqual(
      expect.objectContaining({ reason: 'code_not_valid_for_target' }),
    );

    const jawTarget = resolve({
      targets: [positional({ arch: 'upper' })],
      types: ['removable'],
      spoken: 'دنچر فک بالا',
    });
    expect(jawTarget.resolved.targets).toEqual([ARCH_TOOTH_UPPER]);
    expect(jawTarget.unresolved).toContainEqual(
      expect.objectContaining({
        reason: 'prosthesis_type_ambiguous',
        candidates: ['complete_denture'],
      }),
    );
    expect(jawTarget.unresolved).not.toContainEqual(
      expect.objectContaining({ reason: 'code_not_valid_for_target' }),
    );
  });

  it('rejects a category with no leaf the target can carry', () => {
    // `implant` spans root + crown, both tooth regions, so it is not a mixed tooth/arch
    // category and must not defer. Aimed at a jaw it is a contradiction.
    const { resolved, unresolved } = resolve({
      targets: [positional({ arch: 'upper', spoken: 'فک بالا' })],
      types: ['implant'],
      spoken: 'ایمپلنت بالا',
    });
    expect(resolved.targets).toEqual([]);
    expect(resolved.types).toEqual([]);
    expect(unresolved).toContainEqual(
      expect.objectContaining({ reason: 'code_not_valid_for_target' }),
    );
    expect(unresolved).not.toContainEqual(
      expect.objectContaining({ reason: 'prosthesis_type_ambiguous' }),
    );
  });

  it('rejects a stack where only one code suits the target', () => {
    // One legal crown must not admit an arch-only appliance onto the same tooth. Validating
    // with `some` over the stack's regions did exactly that.
    const { resolved, unresolved } = resolve({
      targets: [tooth('12')],
      types: ['pfm_crown', 'night_guard_soft'],
      spoken: 'دندون ۱۲ روکش و نایت گارد',
    });
    expect(resolved.targets).toEqual([]);
    expect(unresolved).toContainEqual(
      expect.objectContaining({
        spoken: '12',
        reason: 'code_not_valid_for_target',
      }),
    );
  });

  it('accepts a stack whose every code suits the target', () => {
    const { resolved, unresolved } = resolve({
      targets: [tooth('12')],
      types: ['zirconia_abutment', 'monolithic_zirconia'],
      spoken: 'دندون ۱۲ ایمپلنت با روکش زیرکونیا',
    });
    expect(resolved.targets).toEqual(['12']);
    expect(resolved.types).toEqual([
      'zirconia_abutment',
      'monolithic_zirconia',
    ]);
    expect(unresolved).toEqual([]);
  });

  it('a target with no types resolves with an empty types[], and does not fail the assignment', () => {
    const { resolved } = resolve({
      targets: [tooth('13'), tooth('14')],
      types: [],
      spoken: '۱۳ و ۱۴',
    });
    // Nothing to validate a region against yet, so a bare target still resolves as valid
    // geometry — the frontend renders it struck through ("no prosthesis heard") because
    // `types` is empty and no `prosthesis_type_ambiguous` item references this assignment.
    expect(resolved.targets.sort()).toEqual(['13', '14']);
    expect(resolved.types).toEqual([]);
  });

  it('one target failing validity does not exclude the rest of the assignment', () => {
    const { resolved, unresolved } = resolve({
      targets: [tooth('12'), positional({ arch: 'upper' })],
      types: ['pfm_crown'],
      spoken: '',
    });
    expect(resolved.targets).toEqual(['12']);
    expect(unresolved).toContainEqual(
      expect.objectContaining({ reason: 'code_not_valid_for_target' }),
    );
  });

  it('carries an assignment target that could not be resolved, with the arch candidates', () => {
    const { unresolved } = resolve({
      targets: [positional({ spoken: 'نایت گارد' })],
      types: ['night_guard_soft'],
      spoken: 'نایت گارد',
    });
    expect(unresolved).toContainEqual({
      spoken: 'نایت گارد',
      reason: 'arch_not_spoken',
      candidates: ['upper', 'lower'],
      assignmentIndex: 0,
    });
  });

  it('carries the assignment index on a missing-quadrant target', () => {
    const { unresolved } = resolve({
      targets: [positional({ position: 2, spoken: 'دندون دو' })],
      types: ['pfm_crown'],
      spoken: 'دندون دو روکش',
    });
    expect(unresolved).toContainEqual(
      expect.objectContaining({
        reason: 'tooth_missing_quadrant',
        assignmentIndex: 0,
      }),
    );
  });
});

describe('every prosthesis category and subcategory has a non-empty label in fa/en/nl', () => {
  const locales = ['fa', 'en', 'nl'] as const;

  it.each(Object.entries(PROSTHESIS_CATEGORY_LABELS))(
    'category %s',
    (_code, labels) => {
      for (const locale of locales) {
        expect(labels[locale]?.trim()).toBeTruthy();
      }
    },
  );

  it.each(Object.entries(PROSTHESIS_SUBCATEGORY_LABELS))(
    'subcategory %s',
    (_code, labels) => {
      for (const locale of locales) {
        expect(labels[locale]?.trim()).toBeTruthy();
      }
    },
  );
});

describe('resolveVoiceIntent', () => {
  const base: VoiceIntent = {
    treatmentType: 'restoration',
    teeth: [tooth('14'), tooth('15')],
    connectedSpans: [],
    comment: '  حساسیت به سرما  ',
    prosthesis: [],
    labId: null,
    labMatchExact: false,
    due: null,
  };

  it('composes a plain restoration', () => {
    const result = resolveVoiceIntent(base, CTX);
    expect(result.treatmentType).toBe('restoration');
    expect(result.teeth).toEqual(['14', '15']);
    expect(result.comment).toBe('حساسیت به سرما');
    expect(result.prosthesisAssignments).toEqual([]);
    expect(result.unresolved).toEqual([]);
  });

  it('rejects a treatment type outside the catalog', () => {
    const result = resolveVoiceIntent(
      { ...base, treatmentType: 'teeth_whitening' },
      CTX,
    );
    expect(result.treatmentType).toBeNull();
    expect(result.unresolved).toContainEqual({
      spoken: 'teeth_whitening',
      reason: 'unknown_catalog_code',
    });
  });

  it('drops a lab id the clinic is not linked to', () => {
    // Shipping to a lab the clinic never named is worse than shipping nowhere.
    const result = resolveVoiceIntent(
      { ...base, labId: 'lab-elsewhere', labMatchExact: true },
      CTX,
    );
    expect(result.labId).toBeNull();
    expect(result.labMatchExact).toBe(false);
  });

  it('keeps a linked lab and its exactness flag', () => {
    const result = resolveVoiceIntent(
      { ...base, labId: 'lab-sina', labMatchExact: true },
      CTX,
    );
    expect(result.labId).toBe('lab-sina');
    expect(result.labMatchExact).toBe(true);
  });

  it('reports a hallucinated lab rather than dropping it silently', () => {
    // A near-miss lab id must not look identical to "no lab was spoken".
    const result = resolveVoiceIntent({ ...base, labId: 'lab-elsewhere' }, CTX);
    // The id is not what the clinician said — quoting it back shows them a raw UUID.
    expect(result.unresolved).toContainEqual({
      spoken: '',
      reason: 'unknown_catalog_code',
    });
  });

  it('never reports an inexact match as exact when the lab was dropped', () => {
    const result = resolveVoiceIntent(
      { ...base, labId: null, labMatchExact: true },
      CTX,
    );
    expect(result.labMatchExact).toBe(false);
  });

  it('forces treatmentType to prosthesis when an assignment resolves', () => {
    const result = resolveVoiceIntent(
      {
        ...base,
        treatmentType: 'restoration',
        prosthesis: [
          {
            targets: [tooth('12')],
            types: ['pfm_crown'],
            spoken: 'روکش برای ۱۲',
          },
        ],
      },
      CTX,
    );
    expect(result.treatmentType).toBe('prosthesis');
    expect(result.prosthesisAssignments).toEqual([
      { targets: ['12'], types: ['pfm_crown'], spoken: 'روکش برای ۱۲' },
    ]);
  });

  it('does not force prosthesis when every assignment resolved no target', () => {
    const result = resolveVoiceIntent(
      {
        ...base,
        prosthesis: [{ targets: [], types: ['pfm_crown'], spoken: '' }],
      },
      CTX,
    );
    expect(result.treatmentType).toBe('restoration');
  });

  it('resolves a due date through the same context', () => {
    const result = resolveVoiceIntent(
      { ...base, due: { kind: 'weekday', weekday: 'thursday', which: 'this' } },
      CTX,
    );
    expect(result.dueDate).toBe('2025-10-16');
  });

  it('collects unresolved items from every stage, and only assignment items carry an index', () => {
    const result = resolveVoiceIntent(
      {
        ...base,
        treatmentType: 'nope',
        teeth: [tooth('51', 'شیری')],
        connectedSpans: [{ from: tooth('14'), to: tooth('44') }],
        due: { kind: 'jalali', jy: 1404, jm: 12, jd: 30 },
        prosthesis: [
          {
            targets: [tooth('99', 'نود و نه')],
            types: ['pfm_crown'],
            spoken: '',
          },
        ],
      },
      CTX,
    );
    const reasons = result.unresolved.map((u) => u.reason).sort();
    expect(reasons).toEqual([
      'invalid_date',
      'malformed',
      'not_permanent_tooth',
      'span_not_same_arch',
      'unknown_catalog_code',
    ]);

    const outsideAssignment = result.unresolved.filter(
      (u) => u.reason === 'not_permanent_tooth',
    );
    expect(outsideAssignment[0].assignmentIndex).toBeUndefined();

    const insideAssignment = result.unresolved.filter(
      (u) => u.reason === 'malformed',
    );
    expect(insideAssignment[0].assignmentIndex).toBe(0);
  });

  it('treats an empty comment as absent', () => {
    expect(
      resolveVoiceIntent({ ...base, comment: '   ' }, CTX).comment,
    ).toBeNull();
  });
});