import XCTest
@testable import TVAnarchyCore

final class AppLocalAPITests: XCTestCase {
    func testListCachedFilesFindsVideos() throws {
        let tmp = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true)
            .appendingPathComponent("offline-\(UUID().uuidString)", isDirectory: true)
        try FileManager.default.createDirectory(at: tmp, withIntermediateDirectories: true)
        defer { try? FileManager.default.removeItem(at: tmp) }
        let f = tmp.appendingPathComponent("show").appendingPathComponent("ep1.mkv")
        try FileManager.default.createDirectory(at: f.deletingLastPathComponent(), withIntermediateDirectories: true)
        try Data([0x00]).write(to: f)

        var policy = OfflineCachePolicy.defaults
        policy.cacheDir = tmp.path
        let files = AppLocalAPI.listCachedFiles(policy: policy)
        XCTAssertEqual(files.count, 1)
        XCTAssertEqual(files[0].name, "ep1.mkv")
    }

    func testHTTPParserParsesGet() {
        let raw = "GET /offline/status HTTP/1.1\r\nHost: localhost\r\n\r\n"
        let req = HTTPParser.parse(Data(raw.utf8))
        XCTAssertEqual(req?.method, "GET")
        XCTAssertEqual(req?.path, "/offline/status")
    }

    func testHTTPParserParsesPatchWithBody() {
        let body = #"{"episodesAhead":2}"#
        let raw = "PATCH /devices/plum-vlc/offline-policy HTTP/1.1\r\nContent-Length: \(body.utf8.count)\r\n\r\n\(body)"
        let req = HTTPParser.parse(Data(raw.utf8))
        XCTAssertEqual(req?.method, "PATCH")
        XCTAssertEqual(req?.path, "/devices/plum-vlc/offline-policy")
        XCTAssertEqual(String(data: req?.body ?? Data(), encoding: .utf8), body)
    }

    func testHTTPParserParsesSettingsPatch() {
        let body = #"{"hoverPreviews":true}"#
        let raw = "PATCH /settings HTTP/1.1\r\nContent-Length: \(body.utf8.count)\r\n\r\n\(body)"
        let req = HTTPParser.parse(Data(raw.utf8))
        XCTAssertEqual(req?.method, "PATCH")
        XCTAssertEqual(req?.path, "/settings")
        XCTAssertEqual(String(data: req?.body ?? Data(), encoding: .utf8), body)
    }
}