import { standardErrorCodes } from './constants.js'
import { isErrorResponse, standardErrors } from './errors.js'
import type { ErrorResponse } from './types.js'
import { getErrorCode, getMessageFromCode } from './utils.js'

describe('errors', () => {
	test('getErrorCode', () => {
		expect(getErrorCode(4137)).toEqual(4137)

		expect(getErrorCode({ code: 4137 })).toEqual(4137)
		expect(getErrorCode({ errorCode: 4137 })).toEqual(4137)
		expect(getErrorCode({ code: 4137, errorCode: 4137 })).toEqual(4137)

		expect(getErrorCode({ code: '4137' })).toEqual(undefined)
		expect(getErrorCode({ code: undefined })).toEqual(undefined)
		expect(getErrorCode({ errorCode: '4137' })).toEqual(undefined)
		expect(getErrorCode({ errorCode: undefined })).toEqual(undefined)

		expect(getErrorCode({})).toEqual(undefined)
		expect(getErrorCode('4137')).toEqual(undefined)
		expect(getErrorCode(new Error('generic error'))).toEqual(undefined)

		expect(getErrorCode(null)).toEqual(undefined)
		expect(getErrorCode(undefined)).toEqual(undefined)

		const errorResponse: ErrorResponse = {
			method: 'generic',
			errorMessage: 'test error message',
			errorCode: 4137,
		}
		expect(isErrorResponse(errorResponse)).toEqual(true)
		expect(getErrorCode(errorResponse)).toEqual(4137)
	})

	test('standardErrorMessage', () => {
		// default error message
		expect(getMessageFromCode(standardErrorCodes.provider.userRejectedRequest)).toEqual(
			expect.stringContaining('rejected'),
		)

		// non-standard error code
		expect(getMessageFromCode(0)).toEqual('Unspecified error message.')
	})

	test('unsupportedChain error', () => {
		const errorWithoutChainID = standardErrors.provider.unsupportedChain()
		expect(errorWithoutChainID.code).toEqual(standardErrorCodes.provider.unsupportedChain)
		expect(errorWithoutChainID.message).toEqual(expect.stringContaining('Unrecognized chain ID'))
	})
})