import FileClient
import Foundation
import Testing
import TestSupport

@Suite("FileClientTests")
struct FileClientTests {

  @Test
  func createDirectory() async throws {
    try await withTemporaryDirectory { url in
      let fileClient = FileClient.liveValue
      let tempDir = url.appending(path: "temp")
      try await fileClient.createDirectory(tempDir)
      let isDirectory = try await fileClient.isDirectory(tempDir)
      #expect(isDirectory)
    }
  }

  @Test(arguments: ["vault.yml", "vault.yaml"])
  func findVaultFile(fileName: String) async throws {
    try await withTemporaryDirectory { url in
      let fileClient = FileClient.liveValue

      let vaultFilePath = url.appending(path: fileName)
      try FileManager.default.createFile(atPath: vaultFilePath.cleanFilePath, contents: nil)
      let output = try await fileClient.findVaultFile(url)!

      #expect(output.cleanFilePath == vaultFilePath.cleanFilePath)

      let nilWhenFileNotDirectory = try await fileClient.findVaultFile(vaultFilePath)
      #expect(nilWhenFileNotDirectory == nil)
    }
  }

  @Test(arguments: ["vault.yml", "vault.yaml"])
  func findVaultFileNestedInSubfolder(fileName: String) async throws {
    try await withTemporaryDirectory { url in

      let fileClient = FileClient.liveValue
      let subDir = url.appending(path: "sub")

      try await fileClient.createDirectory(subDir)

      let vaultFilePath = subDir.appending(path: fileName)
      try FileManager.default.createFile(atPath: vaultFilePath.cleanFilePath, contents: nil)
      let output = try await fileClient.findVaultFile(url)!

      #expect(output.cleanFilePath == vaultFilePath.cleanFilePath)
    }
  }

  @Test
  func findVaultFileReturnsNil() async throws {
    try await withTemporaryDirectory { url in

      let fileClient = FileClient.liveValue
      let subDir = url.appending(path: "sub")

      try await fileClient.createDirectory(subDir)

      let output = try await fileClient.findVaultFile(url)

      #expect(output == nil)
    }
  }
}