import ExpoModulesTestCore

@testable import ExpoModulesCore
@testable import ExpoFileSystem

class EXFileSystemSpec: ExpoSpec {
  override class func spec() {
    let fileSystem = EXFileSystem()

    describe("percentEncodedURLFromURIString") {
      it("should handle encoded URIs") {
        let encodedUriInput = "file:///var/mobile/@username/branch"
        let encodedUriExpectedOutput = "file:///var/mobile/@username/branch"
        let encodedUri = fileSystem.percentEncodedURL(fromURIString: encodedUriInput)

        expect(encodedUri?.absoluteString) == encodedUriExpectedOutput
        expect(encodedUri?.scheme) == "file"
      }

      it("should handle UTF-8 characters") {
        let utf8UriInput = "file:///var/mobile/中文"
        let utf8UriExpectedOutput = "file:///var/mobile/%E4%B8%AD%E6%96%87"
        let utf8Uri = fileSystem.percentEncodedURL(fromURIString: utf8UriInput)

        expect(utf8Uri?.absoluteString) == utf8UriExpectedOutput
        expect(utf8Uri?.scheme) == "file"
      }

      it("should handle URI with percent, numbers and UTF-8 characters") {
        let input = "file:///document/directory/%40%2F中文"
        let expectedOutput = "file:///document/directory/%40%2F%E4%B8%AD%E6%96%87"
        let uri = fileSystem.percentEncodedURL(fromURIString: input)

        expect(uri?.absoluteString) == expectedOutput
      }

      it("should not decode percentages in URI") {
        let input = "file:///document/hello%2Fworld.txt"
        let unexpectedOutput = "file:///document/hello/world.txt"
        let uri = fileSystem.percentEncodedURL(fromURIString: input)

        // Should not create a directory named "hello"
        expect(uri?.absoluteString) != unexpectedOutput
      }

      it("should handle assets-library URIs") {
        let assetsLibraryUriInput = "assets-library://asset/asset.JPG?id=3C1D9C54-9521-488F-BB27-AA1EA0F8AF04/L0/001&ext=JPG"
        let assetsLibraryUri = fileSystem.percentEncodedURL(fromURIString: assetsLibraryUriInput)

        expect(assetsLibraryUri?.absoluteString) == assetsLibraryUriInput
        expect(assetsLibraryUri?.scheme) == "assets-library"
      }
    }
  }
}