import {z} from 'zod'

export type ResourceId = string;

export type GetApiDocumentsIdArgs = {id: ResourceId};

export type GetApiDocumentsIdOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const resourceId = z.string();

export const regulatoryDocumentType = z.enum(["alert", "announcement", "bill", "circular", "consultation paper", "decision", "enforcement", "general", "guidance", "hearing", "interview", "judgement", "legislation", "letter", "opinion", "parliamentary commentary", "policy paper", "press release", "publication", "resolution", "sanctions", "speech", "statement", "tender", "transcript", "transparency", "warning", "other"]);

export const entityType = z.enum(["person", "organisation", "location", "substance", "disease", "product", "regulation"]);

export const sentimentLabel = z.enum(["positive", "negative", "neutral"]);

export const mention = z.object({position: z.enum(["content", "summary", "title", "quote"]), sentiment: sentimentLabel.optional()});

export const entityWithMentions = z.object({id: resourceId, type: entityType, name: z.string(), sentiment: sentimentLabel, salient: z.boolean().optional(), "salience-rank": z.number().int().gte(1).optional(), mentions: z.array(mention)});

export const source = z.object({id: resourceId, name: z.string(), country: z.string().optional(), subregion: z.string().optional(), region: z.string().optional()});

export const partialTopic = z.object({id: resourceId, name: z.string()});

export const category = z.object({id: resourceId, name: z.string()});

export const mediaType = z.enum(["online", "print"]);

export const document = z.object({"story-id": resourceId.optional(), "signal-url": z.string().optional(), "regulatory-document": regulatoryDocumentType.optional(), entities: z.array(entityWithMentions), "published-at": z.string(), source: source, title: z.string(), topics: z.array(partialTopic), categories: z.object({"iptc-media-topics": z.array(category).optional()}).optional(), language: z.string().optional(), id: resourceId, "native-title": z.string().optional(), "media-type": mediaType});

export const documentResponse = z.object({document: document});

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
};

/**
 * Get a document by id
 * 
 * GET /documents/{id}
 */
export const getApiDocumentsId = async (args: GetApiDocumentsIdArgs, options?: GetApiDocumentsIdOptions) => {
const {baseUrl = "https://api.signal-ai.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/documents/${encodeURIComponent(String(args.id))}${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(documentResponse, await res.json())
};