import Foundation
import Combine

@MainActor
final class WorkspaceStore: ObservableObject {
    @Published private(set) var workspaces: [SonarWorkspace] = [.personal]
    @Published var selectedWorkspaceID: UUID = SonarWorkspace.personal.id

    private let driveStore = ICloudDriveStore.shared
    private let fileName = "workspaces.json"

    var selectedWorkspace: SonarWorkspace {
        workspaces.first(where: { $0.id == selectedWorkspaceID }) ?? .personal
    }

    init() {
        load()
    }

    func load() {
        do {
            guard let saved = try driveStore.read([SonarWorkspace].self, fileName: fileName), !saved.isEmpty else {
                persist()
                return
            }
            workspaces = saved
            if !workspaces.contains(where: { $0.id == selectedWorkspaceID }) {
                selectedWorkspaceID = workspaces.first?.id ?? SonarWorkspace.personal.id
            }
        } catch {
            // Keep Personal usable if iCloud is temporarily unavailable.
            workspaces = [.personal]
        }
    }

    func createTeam(name: String) {
        let clean = name.trimmingCharacters(in: .whitespacesAndNewlines)
        guard !clean.isEmpty else { return }
        let team = SonarWorkspace(name: clean, kind: .team, role: .owner)
        workspaces.append(team)
        selectedWorkspaceID = team.id
        persist()
    }

    func select(_ workspace: SonarWorkspace) {
        selectedWorkspaceID = workspace.id
    }

    private func persist() {
        try? driveStore.write(workspaces, fileName: fileName)
    }
}