import Testing
import UIKit
@testable import 体己

@MainActor
struct FileVaultTests {

    private func makeIsolatedVault() throws -> FileVault {
        let temp = FileManager.default.temporaryDirectory
            .appendingPathComponent(UUID().uuidString, isDirectory: true)
        return try FileVault(rootURL: temp)
    }

    @Test func writeAndReadJPEGRoundtrip() throws {
        let vault = try makeIsolatedVault()
        let image = UIImage(systemName: "doc")!

        let saved = try vault.writeJPEG(image, quality: 0.8)

        #expect(saved.bytes > 0)
        #expect(saved.relativePath.hasSuffix(".jpg"))

        let loaded = try vault.loadImage(relativePath: saved.relativePath)
        #expect(loaded.size != .zero)
    }

    @Test func removeMakesFileGone() throws {
        let vault = try makeIsolatedVault()
        let saved = try vault.writeJPEG(UIImage(systemName: "doc")!)

        try vault.remove(relativePath: saved.relativePath)

        #expect(throws: (any Error).self) {
            _ = try vault.loadImage(relativePath: saved.relativePath)
        }
    }

    @Test func wipeRemovesAllFiles() throws {
        let vault = try makeIsolatedVault()
        let a = try vault.writeJPEG(UIImage(systemName: "doc")!)
        let b = try vault.writeJPEG(UIImage(systemName: "folder")!)

        try vault.wipe()

        #expect(throws: (any Error).self) { _ = try vault.loadImage(relativePath: a.relativePath) }
        #expect(throws: (any Error).self) { _ = try vault.loadImage(relativePath: b.relativePath) }
    }
}