import {z} from 'zod'

export type Scheduling = {days?: number | undefined, hours?: number | undefined, minutes?: number | undefined, interval?: ('hour' | 'day' | 'week' | 'month') | undefined, timezone?: string | undefined, recurrence?: number | undefined, lookback_window?: ({name?: ('default' | 'live' | 'max') | undefined}) | undefined};

export type ExtractTemplateCreateRequest = {parent_id: number, title: string, description: string, fields: Array<string>, scheduling: Array<Scheduling>, additional_params: Record<string, never>, hashed_fields?: Array<string> | undefined, historical_data_depth_limit?: (number | null) | undefined, connection_id?: (number | null) | undefined};

export type CreateApiApiV3DatasourcesDatasourceNameExtractTemplatesArgs = {datasource_name: string, body: ExtractTemplateCreateRequest};

export type CreateApiApiV3DatasourcesDatasourceNameExtractTemplatesOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const scheduling = z.object({days: z.number().int().gte(0).optional(), hours: z.number().int().gte(0).lte(23).optional(), minutes: z.number().int().gte(0).lte(59).optional(), interval: z.enum(["hour", "day", "week", "month"]).optional(), timezone: z.string().optional(), recurrence: z.number().int().optional(), lookback_window: z.object({name: z.enum(["default", "live", "max"]).optional()}).optional()});

export const field = z.object({title: z.string().optional(), name: z.string().optional(), user_kind: z.string().optional(), user_type: z.string().optional(), selected: z.boolean().optional(), can_edit: z.boolean().optional(), sql_name: z.string().optional(), format: z.enum(["string", "float", "integer", "iso_8601_date", "currency", "percent", "duration", "url", "image_url"]).optional(), is_dynamic: z.boolean().optional()});

export const additionalParams = z.object({type: z.string().optional(), name: z.string().optional(), required: z.boolean().optional(), title: z.string().optional(), description: z.string().optional(), params: z.object({}).optional(), initial_value: z.string().optional()});

export const extractTemplate = z.object({id: z.number().int().optional(), title: z.string().optional(), description: z.string().optional(), data_class: z.string().optional(), datasource_name: z.string().optional(), is_wide_template: z.boolean().optional(), schedules_limit: z.number().int().optional(), scheduling: z.array(scheduling).optional(), fields: z.array(field).optional(), additional_params: z.array(additionalParams).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 an extraction template
 * 
 * POST /api/v3/datasources/{datasource_name}/extract-templates
 * 
 * Also accepts auth: cookieAuth
 */
export const createApiApiV3DatasourcesDatasourceNameExtractTemplates = async (args: CreateApiApiV3DatasourcesDatasourceNameExtractTemplatesArgs, options?: CreateApiApiV3DatasourcesDatasourceNameExtractTemplatesOptions) => {
const {baseUrl = "https://embedded.improvado.io", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/datasources/${encodeURIComponent(String(args.datasource_name))}/extract-templates${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(extractTemplate, await res.json())
};