// Author: Simon-Pierre Boucher — contact@spboucher.ai
//
// Paths (forge binary, workspace) with live validation via `forge info`.
import SwiftUI
import UniformTypeIdentifiers

struct SettingsView: View {
    @Environment(AppModel.self) private var app
    @State private var binaryPath = ForgeBinaryLocator.savedBinaryURL?.path ?? ""
    @State private var workspacePath = ForgeBinaryLocator.savedWorkspaceURL?.path ?? ""

    var body: some View {
        Form {
            Section("Binaire forge") {
                HStack {
                    TextField("Chemin", text: $binaryPath)
                        .font(.callout.monospaced())
                    Button("Choisir…") { pickBinary() }
                }
                if let device = app.forgeDevice {
                    Label("Validé — \(device)", systemImage: "checkmark.circle.fill")
                        .foregroundStyle(.green)
                } else if let error = app.forgeError {
                    Label(error, systemImage: "xmark.circle.fill")
                        .foregroundStyle(.red)
                }
                Button("Revalider") {
                    ForgeBinaryLocator.save(binary: URL(fileURLWithPath: binaryPath))
                    Task { await app.validateForge() }
                }
            }
            Section("Espace de travail") {
                HStack {
                    TextField("Dossier (runs/, data/)", text: $workspacePath)
                        .font(.callout.monospaced())
                    Button("Choisir…") { pickWorkspace() }
                }
                Text("Runs : \(app.store.workspaceURL.path)/runs")
                    .font(.caption)
                    .foregroundStyle(.secondary)
            }
        }
        .formStyle(.grouped)
        .frame(width: 560, height: 320)
    }

    private func pickBinary() {
        let panel = NSOpenPanel()
        panel.allowedContentTypes = [.unixExecutable, .executable]
        panel.canChooseDirectories = false
        if panel.runModal() == .OK, let url = panel.url {
            binaryPath = url.path
            ForgeBinaryLocator.save(binary: url)
            Task { await app.validateForge() }
        }
    }

    private func pickWorkspace() {
        let panel = NSOpenPanel()
        panel.canChooseDirectories = true
        panel.canChooseFiles = false
        panel.canCreateDirectories = true
        if panel.runModal() == .OK, let url = panel.url {
            workspacePath = url.path
            ForgeBinaryLocator.save(workspace: url)
        }
    }
}