import {z} from 'zod'

export type PlacementScope = {page_id?: (string | null) | undefined, page_ids?: (Array<string> | null) | undefined, project?: boolean | undefined, measurement_ids?: (Array<string> | null) | undefined};

export type PlaceConditionSpec = {source_condition_id: string, target_condition_id: string, scope: PlacementScope, exemplar_measurement_id?: (string | null) | undefined};

export type StackProposalRequest = {conversation_id: string, spec: PlaceConditionSpec};

export type CreateApiApiV1ProjectsProjectIdStackProposalsArgs = {project_id: string, 'Idempotency-Key': string, body: StackProposalRequest};

export type CreateApiApiV1ProjectsProjectIdStackProposalsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const actionImpact = z.object({measurements: z.number().int().optional(), sheets: z.number().int().optional(), conditions: z.number().int().optional(), folders: z.number().int().optional()});

export const actionReceipt = z.object({ordinal: z.number().int(), action_id: z.string(), status: z.enum(["pending", "applied", "rejected", "undone", "failed"]), kind: z.enum(["create_condition", "create_folder", "update_condition", "update_folder", "move_conditions", "delete_condition", "delete_folder", "update_measurement", "reassign_measurement", "rename_measurement_group", "delete_measurement", "restore_measurement", "create_annotation", "update_annotation_status", "place_measurements", "flag_page_verification", "set_page_verification_note"]), entity_type: z.enum(["condition", "folder", "measurement", "annotation", "page"]), entity_id: z.string().nullable().optional(), summary: z.string(), impact: actionImpact.nullable().optional(), error: z.string().nullable().optional()});

export const writeBatchReceipt = z.object({batch_id: z.string(), items: z.array(actionReceipt)});

export const stackProposalResponse = z.object({outcome: z.enum(["proposed", "nothing_to_place"]), reason: z.enum(["no_source_markups", "already_placed"]).nullable().optional(), receipt: writeBatchReceipt.nullable().optional(), already_placed: z.number().int().nullable().optional(), source_name: z.string().nullable().optional(), target_name: z.string().nullable().optional()});

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
};

/**
 * Create Stack Proposal
 * 
 * POST /api/v1/projects/{project_id}/stack-proposals
 */
export const createApiApiV1ProjectsProjectIdStackProposals = async (args: CreateApiApiV1ProjectsProjectIdStackProposalsArgs, options: CreateApiApiV1ProjectsProjectIdStackProposalsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = 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']))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/projects/${encodeURIComponent(String(args.project_id))}/stack-proposals${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(stackProposalResponse, await res.json())
};