//
//  PlatformDetectorTests.swift
//  suixinkanTests
//

import XCTest
@testable import suixinkan

/// PlatformDetector USB VID 与型号关键字识别测试。
final class PlatformDetectorTests: XCTestCase {
    /// 测试 Sony USB Vendor ID 识别。
    func testDetectSonyByVendorID() {
        let info = CameraDeviceInfo(
            name: "USB Device",
            manufacturer: nil,
            model: nil,
            serialNumber: nil,
            usbVendorID: 0x054C,
            usbProductID: 0x1234
        )
        XCTAssertEqual(PlatformDetector.detect(from: info), .sony)
    }

    /// 测试 Canon USB Vendor ID 识别。
    func testDetectCanonByVendorID() {
        let info = CameraDeviceInfo(
            name: "USB Device",
            manufacturer: nil,
            model: nil,
            serialNumber: nil,
            usbVendorID: 0x04A9,
            usbProductID: nil
        )
        XCTAssertEqual(PlatformDetector.detect(from: info), .canon)
    }

    /// 测试 Nikon USB Vendor ID 识别。
    func testDetectNikonByVendorID() {
        let info = CameraDeviceInfo(
            name: "USB Device",
            manufacturer: nil,
            model: nil,
            serialNumber: nil,
            usbVendorID: 0x04B0,
            usbProductID: nil
        )
        XCTAssertEqual(PlatformDetector.detect(from: info), .nikon)
    }

    /// 测试 VID 不可用时按设备名关键字兜底识别。
    func testDetectByDeviceNameKeyword() {
        let sony = CameraDeviceInfo(
            name: "ILCE-7M4",
            manufacturer: nil,
            model: nil,
            serialNumber: nil,
            usbVendorID: nil,
            usbProductID: nil
        )
        XCTAssertEqual(PlatformDetector.detect(from: sony), .sony)

        let canon = CameraDeviceInfo(
            name: "Canon EOS R5",
            manufacturer: nil,
            model: nil,
            serialNumber: nil,
            usbVendorID: nil,
            usbProductID: nil
        )
        XCTAssertEqual(PlatformDetector.detect(from: canon), .canon)

        let nikon = CameraDeviceInfo(
            name: "Nikon Z 8",
            manufacturer: nil,
            model: nil,
            serialNumber: nil,
            usbVendorID: nil,
            usbProductID: nil
        )
        XCTAssertEqual(PlatformDetector.detect(from: nikon), .nikon)
    }

    /// 测试无法识别时返回 unknown。
    func testDetectUnknownWhenNoMatch() {
        let info = CameraDeviceInfo(
            name: "Generic Webcam",
            manufacturer: nil,
            model: nil,
            serialNumber: nil,
            usbVendorID: nil,
            usbProductID: nil
        )
        XCTAssertEqual(PlatformDetector.detect(from: info), .unknown)
    }
}