import XCTest

@testable import Transui

final class TranscriptionClientTests: XCTestCase {
  func testAddsTranscriptionPath() {
    XCTAssertEqual(
      TranscriptionClient.endpointURL(from: "https://example.com/")?.absoluteString,
      "https://example.com/v1/audio/transcriptions"
    )
  }

  func testKeepsFullTranscriptionPath() {
    XCTAssertEqual(
      TranscriptionClient.endpointURL(
        from: "https://example.com/v1/audio/transcriptions"
      )?.absoluteString,
      "https://example.com/v1/audio/transcriptions"
    )
  }

  func testRejectsInvalidEndpoint() {
    XCTAssertNil(TranscriptionClient.endpointURL(from: ""))
    XCTAssertNil(TranscriptionClient.endpointURL(from: "example.com"))
  }

  func testHostedFirstPlanFallsBackToLocal() {
    let plan = TranscriptionPlan(
      hosted: endpoint("Hosted", "https://hosted.example.com"),
      local: endpoint("Local", "http://localhost:8080"),
      hostedFirst: true
    )

    XCTAssertEqual(plan.endpoints.map(\.label), ["Hosted", "Local"])
  }

  func testDisabledHostedFirstUsesOnlyLocal() {
    let plan = TranscriptionPlan(
      hosted: endpoint("Hosted", "https://hosted.example.com"),
      local: endpoint("Local", "http://localhost:8080"),
      hostedFirst: false
    )

    XCTAssertEqual(plan.endpoints.map(\.label), ["Local"])
  }

  func testPlanSkipsEmptyEndpoints() {
    let plan = TranscriptionPlan(
      hosted: endpoint("Hosted", ""),
      local: endpoint("Local", ""),
      hostedFirst: true
    )

    XCTAssertTrue(plan.endpoints.isEmpty)
  }

  private func endpoint(_ label: String, _ value: String) -> TranscriptionEndpoint {
    TranscriptionEndpoint(label: label, endpoint: value, model: "", key: "")
  }
}