import {z} from 'zod'

export type GetApiClassificationRulesArgs = {dataClassId?: string | undefined, offset?: number | undefined, limit?: number | undefined, correlationId?: string | undefined};

export type GetApiClassificationRulesOptions = {baseUrl: string, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const classificationRuleId = z.string();

export const createdBy = z.string();

export const createdOn = z.number().int();

export const lastModifiedBy = z.string();

export const lastModifiedOn = z.number().int();

export const value = z.string();

export const singleValuedClassificationRuleWithId = z.object({id: classificationRuleId, createdBy: createdBy, createdOn: createdOn, lastModifiedBy: lastModifiedBy, lastModifiedOn: lastModifiedOn, type: z.string(), value: value.optional()});

export const regularExpressionBasedClassificationRuleWithId = z.object({id: classificationRuleId, createdBy: createdBy, createdOn: createdOn, lastModifiedBy: lastModifiedBy, lastModifiedOn: lastModifiedOn, type: z.string(), regularExpression: z.string().optional()});

export const dataType = z.string();

export const dataTypeBasedClassificationRuleWithId = z.object({id: classificationRuleId, createdBy: createdBy, createdOn: createdOn, lastModifiedBy: lastModifiedBy, lastModifiedOn: lastModifiedOn, type: z.string(), dataTypes: z.array(dataType).optional()});

export const listOfValuesBasedClassificationRuleWithId = z.object({id: classificationRuleId, createdBy: createdBy, createdOn: createdOn, lastModifiedBy: lastModifiedBy, lastModifiedOn: lastModifiedOn, type: z.string(), values: z.array(z.string()).optional()});

export const betweenClassificationRuleWithId = z.object({id: classificationRuleId, createdBy: createdBy, createdOn: createdOn, lastModifiedBy: lastModifiedBy, lastModifiedOn: lastModifiedOn, type: z.string(), minValueInclusive: value.optional(), maxValueInclusive: value.optional()});

export const codeSetId = z.string();

export const valueCount = z.number().int().gte(0);

export const codeSet = z.object({id: codeSetId, valueCount: valueCount.optional()});

export const codeSetBasedClassificationRuleWithId = z.object({id: classificationRuleId, createdBy: createdBy, createdOn: createdOn, lastModifiedBy: lastModifiedBy, lastModifiedOn: lastModifiedOn, type: z.string(), codeSet: codeSet.optional()});

export const classificationRuleWithId = z.discriminatedUnion("type", [singleValuedClassificationRuleWithId, regularExpressionBasedClassificationRuleWithId, dataTypeBasedClassificationRuleWithId, listOfValuesBasedClassificationRuleWithId, betweenClassificationRuleWithId, codeSetBasedClassificationRuleWithId]);

export const classificationRulePagedResponse = z.object({results: z.array(classificationRuleWithId).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
};

/**
 * Find Classification Rules
 * 
 * GET /classificationRules
 * 
 * Also accepts auth: jwtAuth, oauth2, oauth2
 */
export const getApiClassificationRules = async (args: GetApiClassificationRulesArgs, options: GetApiClassificationRulesOptions) => {
const {baseUrl, fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (args.dataClassId != null) query.append("dataClassId", String(args.dataClassId))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.correlationId != null) query.append("correlationId", String(args.correlationId))
if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

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