import faker from '@faker-js/faker';

const arrayOf = <T>(f: () => T) => {
  const length = 3;

  return Array.from({
    length,
  }, f);
};

const objectOf = <T>(f: () => T) => {
  const keys = ['foo', 'bar', 'qux'];

  return keys.reduce<Record<string, T>>((object, key) => {
    object[key] = f();
    return object;
  }, {});
};

const factories = {
  boolean: () => faker.datatype.boolean(),
  date_iso_8601: () => faker.datatype.datetime().toISOString().slice(0, 10),
  date_time_iso_8601: () => faker.datatype.datetime().toISOString(),
  decimal: () => faker.datatype.float(),
  double: () => faker.datatype.float(),
  integer: () => faker.datatype.number(),
  json: () => faker.datatype.json(),
  long: () => faker.datatype.number(),
  object: () => faker.datatype.json(),
  string: () => faker.datatype.string(),
  unit: () => undefined,
  uuid: () => faker.datatype.uuid(),
  'io.apibuilder.swagger.v0.enums.api_key_in_type': (): io.apibuilder.swagger.v0.enums.ApiKeyInType => faker.helpers.arrayElement(['query', 'header']),
  'io.apibuilder.swagger.v0.enums.collection_format_type': (): io.apibuilder.swagger.v0.enums.CollectionFormatType => faker.helpers.arrayElement(['csv', 'ssv', 'tsv', 'pipes']),

  'io.apibuilder.swagger.v0.enums.format_type': (): io.apibuilder.swagger.v0.enums.FormatType => faker.helpers.arrayElement([
    'binary',
    'byte',
    'date',
    'date-time',
    'double',
    'float',
    'int32',
    'int64',
    'password',
  ]),

  'io.apibuilder.swagger.v0.enums.items_type': (): io.apibuilder.swagger.v0.enums.ItemsType => faker.helpers.arrayElement(['string', 'number', 'integer', 'boolean', 'array']),
  'io.apibuilder.swagger.v0.enums.parameter_in_type': (): io.apibuilder.swagger.v0.enums.ParameterInType => faker.helpers.arrayElement(['query', 'header', 'path', 'formData', 'body']),
  'io.apibuilder.swagger.v0.enums.security_scheme_type': (): io.apibuilder.swagger.v0.enums.SecuritySchemeType => faker.helpers.arrayElement(['basic', 'apiKey', 'oauth2']),

  'io.apibuilder.swagger.v0.models.contact': (): io.apibuilder.swagger.v0.models.Contact => ({
    name: factories.string(),
    url: factories.string(),
    email: factories.string(),
  }),

  'io.apibuilder.swagger.v0.models.external_documentation': (): io.apibuilder.swagger.v0.models.ExternalDocumentation => ({
    description: factories.string(),
    url: factories.string(),
  }),

  'io.apibuilder.swagger.v0.models.header': (): io.apibuilder.swagger.v0.models.Header => ({
    description: factories.string(),
    type: factories['io.apibuilder.swagger.v0.enums.items_type'](),
    format: factories['io.apibuilder.swagger.v0.enums.format_type'](),
    items: factories['io.apibuilder.swagger.v0.models.items'](),
    collectionFormat: factories['io.apibuilder.swagger.v0.enums.collection_format_type'](),
    'default': factories.object(),
    maximum: factories.long(),
    exclusiveMaximum: factories.boolean(),
    minimum: factories.long(),
    exclusiveMinimum: factories.boolean(),
    maxLength: factories.integer(),
    minLength: factories.integer(),
    pattern: factories.string(),
    maxItems: factories.integer(),
    minItems: factories.integer(),
    uniqueItems: factories.boolean(),
    'enum': arrayOf(() => factories.object()),
    multipleOf: factories.long(),
  }),

  'io.apibuilder.swagger.v0.models.info': (): io.apibuilder.swagger.v0.models.Info => ({
    title: factories.string(),
    description: factories.string(),
    termsOfService: factories.string(),
    contact: factories['io.apibuilder.swagger.v0.models.contact'](),
    license: factories['io.apibuilder.swagger.v0.models.license'](),
    version: factories.string(),
  }),

  'io.apibuilder.swagger.v0.models.items': (): io.apibuilder.swagger.v0.models.Items => ({
    type: factories['io.apibuilder.swagger.v0.enums.items_type'](),
    format: factories['io.apibuilder.swagger.v0.enums.format_type'](),
    items: factories['io.apibuilder.swagger.v0.models.items'](),
    collectionFormat: factories['io.apibuilder.swagger.v0.enums.collection_format_type'](),
    'default': factories.object(),
    maximum: factories.long(),
    exclusiveMaximum: factories.boolean(),
    minimum: factories.long(),
    exclusiveMinimum: factories.boolean(),
    maxLength: factories.integer(),
    minLength: factories.integer(),
    pattern: factories.string(),
    maxItems: factories.integer(),
    minItems: factories.integer(),
    uniqueItems: factories.boolean(),
    'enum': arrayOf(() => factories.object()),
    multipleOf: factories.long(),
  }),

  'io.apibuilder.swagger.v0.models.license': (): io.apibuilder.swagger.v0.models.License => ({
    name: factories.string(),
    url: factories.string(),
  }),

  'io.apibuilder.swagger.v0.models.operation': (): io.apibuilder.swagger.v0.models.Operation => ({
    tags: arrayOf(() => factories.string()),
    summary: factories.string(),
    description: factories.string(),
    externalDocs: factories['io.apibuilder.swagger.v0.models.external_documentation'](),
    operationId: factories.string(),
    consumes: arrayOf(() => factories.string()),
    produces: arrayOf(() => factories.string()),
    parameters: arrayOf(() => factories['io.apibuilder.swagger.v0.unions.parameter_or_ref']()),
    responses: objectOf(() => factories['io.apibuilder.swagger.v0.unions.response_or_ref']()),
    schemes: arrayOf(() => factories.string()),
    deprecated: factories.boolean(),
    security: arrayOf(() => objectOf(() => arrayOf(() => factories.string()))),
  }),

  'io.apibuilder.swagger.v0.models.parameter': (): io.apibuilder.swagger.v0.models.Parameter => ({
    discriminator: 'parameter',
    name: factories.string(),
    'in': factories['io.apibuilder.swagger.v0.enums.parameter_in_type'](),
    description: factories.string(),
    required: factories.boolean(),
    schema: factories['io.apibuilder.swagger.v0.models.schema'](),
    type: factories.string(),
    format: factories.string(),
    allowEmptyValue: factories.boolean(),
    items: factories['io.apibuilder.swagger.v0.models.items'](),
    collectionFormat: factories['io.apibuilder.swagger.v0.enums.collection_format_type'](),
    'default': factories.object(),
    maximum: factories.long(),
    exclusiveMaximum: factories.boolean(),
    minimum: factories.long(),
    exclusiveMinimum: factories.boolean(),
    maxLength: factories.integer(),
    minLength: factories.integer(),
    pattern: factories.string(),
    maxItems: factories.integer(),
    minItems: factories.integer(),
    uniqueItems: factories.boolean(),
    'enum': arrayOf(() => factories.object()),
    multipleOf: factories.long(),
  }),

  'io.apibuilder.swagger.v0.models.path_item': (): io.apibuilder.swagger.v0.models.PathItem => ({
    ref: factories.string(),
    get: factories['io.apibuilder.swagger.v0.models.operation'](),
    put: factories['io.apibuilder.swagger.v0.models.operation'](),
    post: factories['io.apibuilder.swagger.v0.models.operation'](),
    'delete': factories['io.apibuilder.swagger.v0.models.operation'](),
    options: factories['io.apibuilder.swagger.v0.models.operation'](),
    head: factories['io.apibuilder.swagger.v0.models.operation'](),
    patch: factories['io.apibuilder.swagger.v0.models.operation'](),
    parameters: arrayOf(() => factories['io.apibuilder.swagger.v0.unions.parameter_or_ref']()),
  }),

  'io.apibuilder.swagger.v0.models.reference': (): io.apibuilder.swagger.v0.models.Reference => ({
    discriminator: 'reference',
    ref: factories.string(),
  }),

  'io.apibuilder.swagger.v0.models.response': (): io.apibuilder.swagger.v0.models.Response => ({
    discriminator: 'response',
    description: factories.string(),
    schema: factories['io.apibuilder.swagger.v0.models.schema'](),
    headers: objectOf(() => factories['io.apibuilder.swagger.v0.models.header']()),
    examples: factories.object(),
  }),

  'io.apibuilder.swagger.v0.models.schema': (): io.apibuilder.swagger.v0.models.Schema => ({
    ref: factories.string(),
    format: factories['io.apibuilder.swagger.v0.enums.format_type'](),
    title: factories.string(),
    description: factories.string(),
    'default': factories.object(),
    multipleOf: factories.long(),
    maximum: factories.long(),
    exclusiveMaximum: factories.boolean(),
    minimum: factories.long(),
    exclusiveMinimum: factories.boolean(),
    maxLength: factories.integer(),
    minLength: factories.integer(),
    pattern: factories.string(),
    maxItems: factories.integer(),
    minItems: factories.integer(),
    uniqueItems: factories.boolean(),
    maxProperties: factories.integer(),
    minProperties: factories.integer(),
    required: arrayOf(() => factories.string()),
    'enum': arrayOf(() => factories.object()),
    type: arrayOf(() => factories.string()),
    items: factories['io.apibuilder.swagger.v0.models.schema'](),
    allOf: arrayOf(() => factories['io.apibuilder.swagger.v0.models.schema']()),
    properties: objectOf(() => factories['io.apibuilder.swagger.v0.models.schema']()),
    additionalProperties: factories['io.apibuilder.swagger.v0.models.schema'](),
    discriminator: factories.string(),
    readOnly: factories.boolean(),
    xml: factories['io.apibuilder.swagger.v0.models.xml'](),
    externalDocs: factories['io.apibuilder.swagger.v0.models.external_documentation'](),
    example: factories.object(),
  }),

  'io.apibuilder.swagger.v0.models.security_scheme': (): io.apibuilder.swagger.v0.models.SecurityScheme => ({
    type: factories['io.apibuilder.swagger.v0.enums.security_scheme_type'](),
    description: factories.string(),
    name: factories.string(),
    'in': factories['io.apibuilder.swagger.v0.enums.api_key_in_type'](),
    flow: factories.string(),
    authorizationUrl: factories.string(),
    tokenUrl: factories.string(),
    scopes: objectOf(() => factories.string()),
  }),

  'io.apibuilder.swagger.v0.models.swagger': (): io.apibuilder.swagger.v0.models.Swagger => ({
    swagger: factories.string(),
    info: factories['io.apibuilder.swagger.v0.models.info'](),
    host: factories.string(),
    basePath: factories.string(),
    schemes: arrayOf(() => factories.string()),
    consumes: arrayOf(() => factories.string()),
    produces: arrayOf(() => factories.string()),
    paths: objectOf(() => factories['io.apibuilder.swagger.v0.models.path_item']()),
    definitions: objectOf(() => factories['io.apibuilder.swagger.v0.models.schema']()),
    parameters: objectOf(() => factories['io.apibuilder.swagger.v0.models.parameter']()),
    responses: objectOf(() => factories['io.apibuilder.swagger.v0.models.response']()),
    securityDefinitions: objectOf(() => factories['io.apibuilder.swagger.v0.models.security_scheme']()),
    security: objectOf(() => factories.string()),
    tags: arrayOf(() => factories['io.apibuilder.swagger.v0.models.tag']()),
    externalDocs: factories['io.apibuilder.swagger.v0.models.external_documentation'](),
  }),

  'io.apibuilder.swagger.v0.models.tag': (): io.apibuilder.swagger.v0.models.Tag => ({
    name: factories.string(),
    description: factories.string(),
    externalDocs: factories['io.apibuilder.swagger.v0.models.external_documentation'](),
  }),

  'io.apibuilder.swagger.v0.models.xml': (): io.apibuilder.swagger.v0.models.Xml => ({
    name: factories.string(),
    namespace: factories.string(),
    prefix: factories.string(),
    attribute: factories.boolean(),
    wrapped: factories.boolean(),
  }),

  'io.apibuilder.swagger.v0.unions.parameter_or_ref': (): io.apibuilder.swagger.v0.unions.ParameterOrRef => {
    const f = faker.helpers.arrayElement([
      () => factories['io.apibuilder.swagger.v0.models.parameter'](),
      () => factories['io.apibuilder.swagger.v0.models.reference'](),
    ]);

    return f();
  },

  'io.apibuilder.swagger.v0.unions.response_or_ref': (): io.apibuilder.swagger.v0.unions.ResponseOrRef => {
    const f = faker.helpers.arrayElement([
      () => factories['io.apibuilder.swagger.v0.models.response'](),
      () => factories['io.apibuilder.swagger.v0.models.reference'](),
    ]);

    return f();
  },
};

export const makeApiKeyInType = () => factories['io.apibuilder.swagger.v0.enums.api_key_in_type']();
export const makeCollectionFormatType = () => factories['io.apibuilder.swagger.v0.enums.collection_format_type']();
export const makeContact = () => factories['io.apibuilder.swagger.v0.models.contact']();
export const makeExternalDocumentation = () => factories['io.apibuilder.swagger.v0.models.external_documentation']();
export const makeFormatType = () => factories['io.apibuilder.swagger.v0.enums.format_type']();
export const makeHeader = () => factories['io.apibuilder.swagger.v0.models.header']();
export const makeInfo = () => factories['io.apibuilder.swagger.v0.models.info']();
export const makeItems = () => factories['io.apibuilder.swagger.v0.models.items']();
export const makeItemsType = () => factories['io.apibuilder.swagger.v0.enums.items_type']();
export const makeLicense = () => factories['io.apibuilder.swagger.v0.models.license']();
export const makeOperation = () => factories['io.apibuilder.swagger.v0.models.operation']();
export const makeParameter = () => factories['io.apibuilder.swagger.v0.models.parameter']();
export const makeParameterInType = () => factories['io.apibuilder.swagger.v0.enums.parameter_in_type']();
export const makeParameterOrRef = () => factories['io.apibuilder.swagger.v0.unions.parameter_or_ref']();
export const makePathItem = () => factories['io.apibuilder.swagger.v0.models.path_item']();
export const makeReference = () => factories['io.apibuilder.swagger.v0.models.reference']();
export const makeResponse = () => factories['io.apibuilder.swagger.v0.models.response']();
export const makeResponseOrRef = () => factories['io.apibuilder.swagger.v0.unions.response_or_ref']();
export const makeSchema = () => factories['io.apibuilder.swagger.v0.models.schema']();
export const makeSecurityScheme = () => factories['io.apibuilder.swagger.v0.models.security_scheme']();
export const makeSecuritySchemeType = () => factories['io.apibuilder.swagger.v0.enums.security_scheme_type']();
export const makeSwagger = () => factories['io.apibuilder.swagger.v0.models.swagger']();
export const makeTag = () => factories['io.apibuilder.swagger.v0.models.tag']();
export const makeXml = () => factories['io.apibuilder.swagger.v0.models.xml']();