import {z} from 'zod'

export type SubmissionApiSource = {name: string, batchId?: string | undefined};

export type SubmissionApiProcessing = {mode: 'import-only' | 'detect-and-identify'};

export type SubmissionApiCreate = {contractVersion: '1', source: SubmissionApiSource, processing?: SubmissionApiProcessing | undefined};

export type CreateApiApiV3SubmissionsArgs = {'Idempotency-Key': string, body: SubmissionApiCreate};

export type CreateApiApiV3SubmissionsOptions = {baseUrl: string, submissionBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const submissionApiSource = z.object({name: z.string().min(1).max(128), batchId: z.string().min(1).max(256).optional()});

export const submissionApiProcessing = z.object({mode: z.enum(["import-only", "detect-and-identify"])});

export const submissionApiIssue = z.object({code: z.string().min(1), message: z.string().min(1), clientRowId: z.string().min(1).optional(), rowIndex: z.number().int().gte(0).optional(), field: z.string().min(1).optional(), reason: z.string().min(1).optional(), limit: z.number().optional()}).and(z.record(z.string(), z.unknown()));

export const submissionApiPhase = z.object({state: z.enum(["pending", "running", "not_started", "dispatching", "dispatched", "complete", "failed", "skipped", "unknown"]), message: z.string().min(1).optional()}).and(z.record(z.string(), z.unknown()));

export const submissionApiSubmission = z.object({id: z.string(), contractVersion: z.literal("1"), revision: z.number().int().gte(0), state: z.enum(["draft", "validated", "queued", "importing", "imported", "failed", "needs_reconciliation", "cancelled", "expired"]), source: submissionApiSource, processing: submissionApiProcessing, createdAt: z.string(), expiresAt: z.string(), importTaskId: z.string().optional(), validationId: z.string().optional(), rowsDigest: z.string().optional(), rowCount: z.number().int().gte(0), errors: z.array(submissionApiIssue).optional(), derivatives: submissionApiPhase.optional()}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * Creates a private draft. Replays return the original 201 body and resource URL. Omitted processing is detect-and-identify. The replayed body/ETag may be old: GET the resource before any mutation.
 * 
 * POST /api/v3/submissions
 */
export const createApiApiV3Submissions = async (args: CreateApiApiV3SubmissionsArgs, options: CreateApiApiV3SubmissionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, submissionBearer} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (submissionBearer !== undefined) headers.set('authorization', `Bearer ${submissionBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/submissions${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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