import {z} from 'zod'

export type GetApiOrganizationsOrgIdStatementdefinitionsArgs = {orgId: string, pageSize?: number | undefined, nextToken?: string | undefined};

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

export const aggregationFrequency = z.enum(["DAY", "WEEK", "MONTH", "QUARTER", "YEAR", "WHOLE_PERIOD"]);

export const dimension = z.object({meterId: z.string().optional(), name: z.string().min(1), attributes: z.array(z.string()).optional(), filter: z.array(z.string())});

export const aggregation = z.enum(["SUM", "MIN", "MAX", "COUNT", "LATEST", "MEAN", "UNIQUE", "CUSTOM_SQL"]);

export const measure = z.object({meterId: z.string().optional(), name: z.string().optional(), aggregations: z.array(aggregation).optional()});

export const statementDefinitionResponse = z.object({id: z.string(), version: z.number().int().optional(), name: z.string().optional(), aggregationFrequency: aggregationFrequency.optional(), includePricePerUnit: z.boolean().optional(), dimensions: z.array(dimension).optional(), measures: z.array(measure).optional(), generateSlimStatements: z.boolean().optional(), dtCreated: z.string().optional(), dtLastModified: z.string().optional(), createdBy: z.string().optional(), lastModifiedBy: z.string().optional()});

export const paginatedStatementDefinitionResponseData = z.object({data: z.array(statementDefinitionResponse).optional(), nextToken: z.string().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
};

/**
 * List StatementDefinitions
 * 
 * GET /organizations/{orgId}/statementdefinitions
 */
export const getApiOrganizationsOrgIdStatementdefinitions = async (args: GetApiOrganizationsOrgIdStatementdefinitionsArgs, options?: GetApiOrganizationsOrgIdStatementdefinitionsOptions) => {
const {baseUrl = "https://api.m3ter.com", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.nextToken != null) query.append("nextToken", String(args.nextToken))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/organizations/${encodeURIComponent(String(args.orgId))}/statementdefinitions${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(paginatedStatementDefinitionResponseData, await res.json())
};