import {z} from 'zod'

export type GetApiInvestigationsIdArgs = {id: string};

export type GetApiInvestigationsIdOptions = {baseUrl: string, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const appliedDecisionControls = z.object({governanceRevision: z.number().int().gte(1), organizationApproval: z.object({requireSecondReview: z.boolean(), secondReviewFor: z.array(z.enum(["same_identity", "allow", "restrict", "escalate"])), approverRoles: z.array(z.enum(["owner", "admin", "analyst"]))}), restrictedRoles: z.object({approval: z.array(z.enum(["analyst", "developer", "viewer"])), production: z.array(z.enum(["analyst", "developer", "viewer"]))}), screeningPolicy: z.object({id: z.string(), version: z.number().int().gte(1), review: z.object({requireSecondReview: z.boolean(), secondReviewFor: z.array(z.enum(["same_identity", "allow", "restrict", "escalate"])), approverRoles: z.array(z.enum(["owner", "admin", "analyst"]))})}).nullable()});

export const subject = z.object({name: z.string().min(2).max(300), entityType: z.enum(["person", "organization", "vessel", "aircraft", "other"]).optional(), identifiers: z.array(z.object({type: z.string().min(1).max(80), value: z.string().min(1).max(160), issuer: z.string().min(1).max(100).optional()})).optional(), birthDate: z.union([z.string(), z.string()]).optional(), country: z.string().min(2).max(100).optional()});

export const investigation = z.object({id: z.string(), screeningId: z.string(), counterpartyId: z.string().nullable(), decision: z.enum(["open", "confirmed", "dismissed"]), revision: z.number().int().gte(0), assigneeId: z.string().nullable(), priority: z.enum(["low", "normal", "high", "urgent"]), dueAt: z.string().nullable(), escalatedAt: z.string().nullable(), requiresSecondReview: z.boolean(), reviewState: z.enum(["open", "pending_approval", "approved", "superseded"]), businessDisposition: z.enum(["pending", "allow", "restrict", "escalate"]), reviewStartedAt: z.string(), supersededByScreeningId: z.string().nullable(), supersededByCaseId: z.string().nullable(), approvalRequiredByPolicy: z.boolean(), approvalRequiredForActions: z.array(z.string()), approverRoles: z.array(z.string()), reviewConcern: z.string().nullable(), policyContext: z.object({id: z.string(), version: z.number().int().gte(0), name: z.string(), purpose: z.string(), exclusions: z.array(z.string())}).nullable(), decisionHistory: z.array(z.object({id: z.string(), screeningId: z.string().nullable(), decision: z.enum(["open", "confirmed", "dismissed"]), businessDisposition: z.enum(["pending", "allow", "restrict", "escalate"]).nullable(), rationale: z.string().nullable(), actorId: z.string(), actorLabel: z.string().nullable(), createdAt: z.string(), appliedControls: appliedDecisionControls.nullable()})), decisionHistoryTruncated: z.boolean(), checks: z.array(z.object({label: z.string(), instructions: z.string().optional(), evidenceExample: z.string().optional(), reviewConcern: z.string().optional(), status: z.enum(["outstanding", "completed_externally", "not_applicable"]), evidenceReference: z.string(), rationale: z.string(), actorId: z.string().nullable(), updatedAt: z.string().nullable()})), checkHistory: z.array(z.object({id: z.string(), screeningId: z.string(), label: z.string(), status: z.enum(["outstanding", "completed_externally", "not_applicable"]), evidenceReference: z.string(), rationale: z.string(), actorId: z.string(), updatedAt: z.string(), expiresAt: z.string().nullable()})), reuseChallenges: z.array(z.object({ruleId: z.string(), originCaseId: z.string(), challengedByCaseId: z.string(), actorId: z.string(), revokedAt: z.string(), affectedCaseIds: z.array(z.string())})), submittedBy: z.string().nullable(), approvedBy: z.string().nullable(), matches: z.array(z.object({id: z.string(), screeningId: z.string(), sourceId: z.string(), recordId: z.string(), identityDecision: z.enum(["unresolved", "same", "different"]), businessDecision: z.enum(["pending", "allow", "restrict", "escalate"]), rationale: z.string(), reusableUntil: z.string().nullable(), reusedRuleId: z.string().nullable(), actorId: z.string(), updatedAt: z.string(), reuse: z.object({caseId: z.string(), screeningId: z.string(), approvedBy: z.string(), expiresAt: z.string(), revokedAt: z.string().nullable()}).optional()})), subject: subject.nullable(), counterpartySubject: subject.nullable(), counterpartyRevision: z.number().int().gte(0).nullable(), originCorrection: z.object({caseId: z.string(), screeningId: z.string()}).nullable(), evidence: z.array(z.object({id: z.string(), screeningId: z.string(), sourceId: z.string(), recordId: z.string(), field: z.string(), value: z.string(), sourceReference: z.string(), verification: z.enum(["unverified", "verified"]), comparison: z.enum(["agrees", "conflicts", "unknown"]), notes: z.string(), content: z.string(), actorId: z.string(), createdAt: z.string(), expiresAt: z.string().nullable()})), corrections: z.array(z.object({id: z.string(), screeningId: z.string(), resultScreeningId: z.string(), resultCaseId: z.string().nullable(), before: subject, after: subject, reason: z.string(), actorId: z.string(), createdAt: z.string(), expiresAt: z.string().nullable()})), reviewHistory: z.array(z.object({id: z.string(), screeningId: z.string(), sourceId: z.string(), recordId: z.string(), review: z.object({id: z.string(), screeningId: z.string(), sourceId: z.string(), recordId: z.string(), identityDecision: z.string(), businessDecision: z.string(), rationale: z.string(), reusableUntil: z.string().nullable(), reusedRuleId: z.string().nullable(), actorId: z.string(), updatedAt: z.string()}), replacedBy: z.string(), reason: z.enum(["decision_updated", "evidence_added", "subject_corrected", "rule_challenged"]), createdAt: z.string(), expiresAt: z.string().nullable()})), comments: z.array(z.object({id: z.string(), body: z.string(), actorId: z.string(), createdAt: z.string()})), attachments: z.array(z.object({id: z.string(), title: z.string(), sha256: z.string(), size: z.number().int().gte(0), actorId: z.string(), createdAt: z.string(), expiresAt: z.string().nullable()})), assignees: z.array(z.object({id: z.string(), email: z.string(), role: z.string()}))});

export const getApiInvestigationsIdResponse = z.object({data: investigation});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Read match decisions, assignments, retained notes and attachment metadata
 * 
 * GET /investigations/{id}
 */
export const getApiInvestigationsId = async (args: GetApiInvestigationsIdArgs, options: GetApiInvestigationsIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/investigations/${encodeURIComponent(String(args.id))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiInvestigationsIdResponse, await res.json())
};