import XCTest

@testable import MultiSimAdmin

final class InstanceRepositoryTests: XCTestCase {
    private var location: URL!

    override func setUp() {
        super.setUp()
        location = FileManager.default.temporaryDirectory
            .appendingPathComponent("multi-simadmin-\(UUID().uuidString).json")
    }

    override func tearDown() {
        try? FileManager.default.removeItem(at: location)
        super.tearDown()
    }

    func testCreateListUpdateAndDeleteInstance() async throws {
        let repository = FileInstanceRepository(location: location)
        let input = InstanceInput(
            name: "Lab Alpha",
            origin: URL(string: "http://192.168.3.55:3000/")!,
            tags: ["primary", "lab"],
            password: "secret"
        )

        let created = try await repository.create(input)
        XCTAssertEqual(created.name, "Lab Alpha")
        XCTAssertEqual(created.endpoint.displayAddress, "http://192.168.3.55:3000")
        XCTAssertEqual(created.tags, ["primary", "lab"])
        XCTAssertEqual(created.configRevision, 1)
        XCTAssertTrue(created.credentialConfigured)

        let patch = InstancePatch(name: "Alpha", tags: ["lab"])
        let updated = try await repository.update(created.id, expectedRevision: 1, patch)
        XCTAssertEqual(updated.name, "Alpha")
        XCTAssertEqual(updated.tags, ["lab"])
        XCTAssertEqual(updated.configRevision, 2)
        XCTAssertTrue(updated.credentialConfigured)

        try await repository.delete(updated.id, expectedRevision: 2)
        let afterDelete = try await repository.list(InstanceQuery())
        XCTAssertTrue(afterDelete.isEmpty)
    }

    func testRejectsInvalidOriginDuplicateOriginAndStaleRevision() async throws {
        let repository = FileInstanceRepository(location: location)
        let origin = URL(string: "http://192.168.1.20:3000")!
        let input = InstanceInput(name: "One", origin: origin, tags: [], password: nil)
        let first = try await repository.create(input)

        do {
            let nested = InstanceInput(
                name: "Nested",
                origin: URL(string: "http://192.168.1.20:3000/admin")!,
                tags: [],
                password: nil
            )
            _ = try await repository.create(nested)
            XCTFail("Expected nested path rejection")
        } catch let error as RepositoryError {
            XCTAssertEqual(error, .invalidOrigin)
        }

        do {
            _ = try await repository.create(input)
            XCTFail("Expected duplicate-origin failure")
        } catch let error as RepositoryError {
            XCTAssertEqual(error, .duplicateOrigin)
        }

        do {
            _ = try await repository.update(first.id, expectedRevision: 99, InstancePatch(name: "New"))
            XCTFail("Expected stale-revision failure")
        } catch let error as RepositoryError {
            XCTAssertEqual(error, .revisionConflict)
        }
    }

    func testListFiltersBySearchAndTag() async throws {
        let repository = FileInstanceRepository(location: location)
        _ = try await repository.create(InstanceInput(
            name: "Lab Alpha",
            origin: URL(string: "http://192.168.1.10:3000")!,
            tags: ["production"],
            password: nil
        ))
        _ = try await repository.create(InstanceInput(
            name: "Home Beta",
            origin: URL(string: "http://192.168.1.20:3000")!,
            tags: ["lab"],
            password: nil
        ))

        let search = try await repository.list(InstanceQuery(search: "alpha"))
        XCTAssertEqual(search.map(\.name), ["Lab Alpha"])
        let tagged = try await repository.list(InstanceQuery(tags: ["lab"]))
        XCTAssertEqual(tagged.map(\.name), ["Home Beta"])
        let production = try await repository.list(InstanceQuery(tags: ["production"]))
        XCTAssertEqual(production.map(\.name), ["Lab Alpha"])
        let sorted = try await repository.list(InstanceQuery())
        XCTAssertEqual(sorted.map(\.name), ["Home Beta", "Lab Alpha"])
    }
}