import {z} from 'zod'

export type GetApiEstimatesArgs = {fields?: Array<string> | undefined};

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

export const status = z.object({id: z.number().int().optional(), machine_name: z.string().optional(), description: z.string().optional()});

export const contactShort = z.object({id: z.number().int().optional(), first_name: z.string().optional(), last_name: z.string().optional(), primary: z.boolean().optional(), avatar: z.string().optional()});

export const contacts = z.object({internal: z.array(contactShort).optional(), external: z.array(contactShort).optional()});

export const estimate = z.object({id: z.number().int().optional(), estimate_ref_id: z.number().int().optional(), parent_version_id: z.number().int().optional(), estimate_id: z.number().int().optional(), default_selected: z.boolean().optional(), version_id: z.number().int().optional(), type_id: z.number().int().optional(), dated: z.string().optional(), organization_id: z.number().int().optional(), category_id: z.number().int().optional(), title: z.string().optional(), creator_id: z.number().int().optional(), owner_id: z.number().int().optional(), client_id: z.number().int().optional(), status_id: z.number().int().optional(), inside_address: z.string().optional(), template: z.boolean().optional(), template_name: z.string().optional(), content_footer: z.string().optional(), content_terms_conditions: z.string().optional(), acceptance_user_id: z.number().int().optional(), acceptance_time: z.string().optional(), account_id: z.number().int().optional(), created_at: z.string().optional(), archived: z.boolean().optional(), visibility: z.boolean().optional(), total: z.number().int().optional(), status: status.optional(), contacts: contacts.optional()});

export const estimates = z.array(estimate);

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
};

/**
 * Returns list of estimates by filter
 * 
 * GET /estimates
 */
export const getApiEstimates = async (args: GetApiEstimatesArgs, options?: GetApiEstimatesOptions) => {
const {baseUrl = "http://trackfront-app.local/api/v1", fetch: fetchFn = fetch} = options ?? {}

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

for (const item of args.fields ?? []) query.append("fields", String(item))

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