import {z} from 'zod'

export type GetApiReportsDrArgs = {api_key: string, customer_id: string, requestor_id: string, begin_date: string, end_date: string, metric_type?: string | undefined, granularity?: string | undefined, attributes_to_show?: string | undefined};

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

export const sUSHIErrorModel = z.object({Code: z.number().int(), Severity: z.enum(["Warning", "Error", "Fatal", "Debug", "Info"]), Message: z.string(), Help_URL: z.string().optional(), Data: z.string().optional()});

export const sUSHIReportHeader = z.object({Created: z.string().optional(), Created_By: z.string().optional(), Customer_ID: z.string().optional(), Report_ID: z.string(), Release: z.string(), Report_Name: z.string(), Institution_Name: z.string().optional(), Report_Filters: z.array(z.object({Name: z.string(), Value: z.string()})).optional(), Report_Attributes: z.array(z.object({Name: z.string(), Value: z.string()})).optional(), Exceptions: z.array(sUSHIErrorModel).optional()});

export const cOUNTERPublisherIdentifiers = z.object({Type: z.enum(["ISNI", "Proprietary"]), Value: z.string()});

export const cOUNTERItemPerformance = z.object({Period: z.object({Begin_Date: z.string(), End_Date: z.string()}), Instance: z.array(z.object({Metric_Type: z.enum(["Searches_Automated", "Searches_Federated", "Searches_Platform", "Searches_Regular", "Total_Item_Investigations", "Total_Item_Requests", "Unique_Item_Investigations", "Unique_Item_Requests", "Unique_Title_Investigations", "Unique_Title_Requests", "No_License", "Limit_Exceeded"]), Count: z.number().int()}))});

export const cOUNTERDatabaseUsage = z.object({Database: z.string(), Platform: z.string(), Publisher: z.string(), Publisher_ID: z.array(cOUNTERPublisherIdentifiers).optional(), Performance: z.array(cOUNTERItemPerformance)});

export const cOUNTERDatabaseReport = z.object({Report_Header: sUSHIReportHeader, Report_Items: z.array(cOUNTERDatabaseUsage)});

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
};

/**
 * This resource returns Database Master Report (DR).  A customizable report detailing activity by database that allows the user to apply filters and select other configuration options.
 * 
 * GET /reports/dr
 */
export const getApiReportsDr = async (args: GetApiReportsDrArgs, options?: GetApiReportsDrOptions) => {
const {baseUrl = "https://api.clarivate.com/api/counter/r5", fetch: fetchFn = fetch, key} = options ?? {}

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

if (args.api_key != null) query.append("api_key", String(args.api_key))
if (args.customer_id != null) query.append("customer_id", String(args.customer_id))
if (args.requestor_id != null) query.append("requestor_id", String(args.requestor_id))
if (args.begin_date != null) query.append("begin_date", String(args.begin_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.metric_type != null) query.append("metric_type", String(args.metric_type))
if (args.granularity != null) query.append("granularity", String(args.granularity))
if (args.attributes_to_show != null) query.append("attributes_to_show", String(args.attributes_to_show))
if (key !== undefined) headers.set("X-ApiKey", key)

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