import {z} from 'zod'

export type CreateNotePayload = {text: string, entityName: 'JOB' | 'CUSTOMER' | 'CUSTOMER_INVOICE' | 'QUOTE' | 'SITE' | 'TASK' | 'ENQUIRY' | 'JOB_PHASE' | 'job' | 'customer' | 'customer_invoice' | 'quote' | 'site' | 'task' | 'enquiry' | 'works_order', entityId: number, parentId?: (number | null) | undefined, isPinned?: boolean | undefined};

export type CreateApiNotesArgs = {body: CreateNotePayload};

export type CreateApiNotesOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const links = z.object({href: z.string(), rel: z.string(), type: z.enum(["GET", "POST", "PUT", "PATCH"])});

export const noteReply = z.object({id: z.number(), companyId: z.number(), entityId: z.number(), entityName: z.enum(["JOB", "CUSTOMER", "CUSTOMER_INVOICE", "QUOTE", "SITE", "TASK", "ENQUIRY", "JOB_PHASE"]), text: z.string(), createdById: z.number(), createdAt: z.string(), isPinned: z.boolean(), parentId: z.number().nullable(), links: z.array(links)});

export const createNoteResponse = z.object({result: z.string(), data: noteReply});

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 new note on an entity (job, customer, quote, etc.).
 * 
 * POST /notes
 * 
 * Also accepts auth: PersonalAccessToken
 */
export const createApiNotes = async (args: CreateApiNotesArgs, options?: CreateApiNotesOptions) => {
const {baseUrl = "https://api.fergus.com", fetch: fetchFn = fetch, oauth2} = options ?? {}

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

if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/notes${query.size > 0 ? `?${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(createNoteResponse, await res.json())
};