import {
  CLAIM_CAR_ANGLE_KEYS,
  hasClaimCarAngleCapture,
  hasDamagedPartCapture,
} from "src/helpers/claim-car-angle-media";
import {
  catalogLikeKeyFromPart,
  normalizeDamageSelectedParts,
} from "src/helpers/outer-damage-parts";
import type { ClaimVehicleTypeV2 } from "src/static/outer-car-parts-catalog";

/** Upload during CAPTURE_PART_DAMAGES (after parts + angles). */
export const CAPTURE_PHASE_DAMAGED_PARTY_DOC_KEYS = [
  "damaged_chassis_number",
  "damaged_engine_photo",
  "damaged_metal_plate",
] as const;

/** Metal-plate keys that are optional in the V4/V5 FileMaker flow. */
export const OPTIONAL_CAPTURE_PHASE_DOC_KEYS_V4V5 = [
  "damaged_metal_plate",
  "guilty_metal_plate",
] as const;

export type CapturePhaseSequence =
  | "parts"
  | "angles"
  | "capture_phase_documents"
  | "complete";

export interface ClaimCaptureProgress {
  partsCaptured: number;
  partsTotal: number;
  partsComplete: boolean;
  anglesCaptured: number;
  anglesTotal: number;
  anglesComplete: boolean;
  capturePhaseDocsComplete: boolean;
  capturePhaseDocsRemaining: number;
  sequencePhase: CapturePhaseSequence;
}

export function isCapturePhaseDamagedPartyDocKey(key: string): boolean {
  return (CAPTURE_PHASE_DAMAGED_PARTY_DOC_KEYS as readonly string[]).includes(
    key,
  );
}

function isRequiredDocumentUploadedOnClaim(
  claimCase: any,
  key: string,
): boolean {
  const doc =
    (claimCase?.requiredDocuments as any)?.get?.(key) ??
    claimCase?.requiredDocuments?.[key];
  return !!doc?.uploaded;
}

export function getClaimCaptureProgress(
  claimCase: any,
  options?: { assumeCapturePhaseDocKey?: string; skipMetalPlate?: boolean },
): ClaimCaptureProgress {
  const carType = claimCase?.vehicle?.carType as ClaimVehicleTypeV2 | undefined;
  const selectedNorm = normalizeDamageSelectedParts(
    claimCase?.damage?.selectedParts,
    carType,
    claimCase?.damage?.selectedOuterParts,
  );
  const carAnglesData = claimCase?.media?.carAngles;
  const damagedPartsData = claimCase?.media?.damagedParts;

  const anglesCaptured = CLAIM_CAR_ANGLE_KEYS.filter((k) =>
    hasClaimCarAngleCapture(carAnglesData, damagedPartsData, k),
  ).length;
  const partsCaptured = selectedNorm.filter((sp) => {
    const ck = sp.catalogKey ?? catalogLikeKeyFromPart(sp);
    return hasDamagedPartCapture(damagedPartsData, ck, selectedNorm);
  }).length;

  const partsTotal = selectedNorm.length;
  const completedSteps: string[] = claimCase?.workflow?.completedSteps ?? [];
  const outerPartsStepDone = completedSteps.includes("SELECT_OUTER_PARTS");
  const partsComplete =
    partsTotal > 0
      ? partsCaptured >= partsTotal
      : outerPartsStepDone;
  const anglesTotal = CLAIM_CAR_ANGLE_KEYS.length;
  const anglesComplete = anglesCaptured >= anglesTotal;

  const capturePhaseDocsRemaining = CAPTURE_PHASE_DAMAGED_PARTY_DOC_KEYS.filter(
    (k) => {
      if (options?.skipMetalPlate && OPTIONAL_CAPTURE_PHASE_DOC_KEYS_V4V5.includes(k as any)) return false;
      if (k === options?.assumeCapturePhaseDocKey) return false;
      return !isRequiredDocumentUploadedOnClaim(claimCase, k);
    },
  ).length;
  const capturePhaseDocsComplete = capturePhaseDocsRemaining === 0;

  let sequencePhase: CapturePhaseSequence = "parts";
  if (partsComplete && !anglesComplete) {
    sequencePhase = "angles";
  } else if (partsComplete && anglesComplete && !capturePhaseDocsComplete) {
    sequencePhase = "capture_phase_documents";
  } else if (partsComplete && anglesComplete && capturePhaseDocsComplete) {
    sequencePhase = "complete";
  }

  return {
    partsCaptured,
    partsTotal,
    partsComplete,
    anglesCaptured,
    anglesTotal,
    anglesComplete,
    capturePhaseDocsComplete,
    capturePhaseDocsRemaining,
    sequencePhase,
  };
}

export function isClaimCaptureStepComplete(
  claimCase: any,
  options?: { skipMetalPlate?: boolean },
): boolean {
  const p = getClaimCaptureProgress(claimCase, options);
  return (
    p.partsComplete && p.anglesComplete && p.capturePhaseDocsComplete
  );
}

export function capturePhaseSequenceMessage(phase: CapturePhaseSequence): string {
  switch (phase) {
    case "parts":
      return "Upload photos for all selected damaged parts first.";
    case "angles":
      return "Capture all four car angles (front, back, left, right) next.";
    case "capture_phase_documents":
      return "Upload chassis number, engine photo, and damaged metal plate photos last.";
    default:
      return "Damage capture is complete.";
  }
}