PlantGuide/PlantGuide/Presentation/Scenes/PlantDetail/PlantEditView.swift

//
//  PlantEditView.swift
//  PlantGuide
//
//  Created on 2026-01-31.
//

import SwiftUI

// MARK: - PlantEditView

/// A view for editing plant details like custom name and notes.
@MainActor
struct PlantEditView: View {

    // MARK: - Properties

    /// The plant being edited
    let plant: Plant

    /// Callback when save is tapped
    let onSave: (String?, String?) async -> Void

    @Environment(\.dismiss) private var dismiss

    @State private var customName: String
    @State private var notes: String
    @State private var isSaving = false

    // MARK: - Initialization

    init(plant: Plant, onSave: @escaping (String?, String?) async -> Void) {
        self.plant = plant
        self.onSave = onSave
        _customName = State(initialValue: plant.customName ?? plant.commonNames.first ?? plant.scientificName)
        _notes = State(initialValue: plant.notes ?? "")
    }

    // MARK: - Computed Properties

    private var isValid: Bool {
        !customName.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty
    }

    // MARK: - Body

    var body: some View {
        NavigationStack {
            Form {
                Section {
                    TextField("Plant Name", text: $customName)
                        .autocorrectionDisabled()
                } header: {
                    Text("Name")
                } footer: {
                    Text("Give your plant a custom name to easily identify it.")
                }

                Section {
                    TextEditor(text: $notes)
                        .frame(minHeight: 100)
                } header: {
                    Text("Notes")
                } footer: {
                    Text("Add any notes about your plant, such as where you got it or special care instructions.")
                }

                Section {
                    plantInfoRow
                } header: {
                    Text("Plant Info")
                }
            }
            .navigationTitle("Edit Plant")
            .navigationBarTitleDisplayMode(.inline)
            .toolbar {
                ToolbarItem(placement: .cancellationAction) {
                    Button("Cancel") {
                        dismiss()
                    }
                }
                ToolbarItem(placement: .confirmationAction) {
                    Button("Save") {
                        isSaving = true
                        Task {
                            let trimmedName = customName.trimmingCharacters(in: .whitespacesAndNewlines)
                            let trimmedNotes = notes.trimmingCharacters(in: .whitespacesAndNewlines)
                            await onSave(
                                trimmedName.isEmpty ? nil : trimmedName,
                                trimmedNotes.isEmpty ? nil : trimmedNotes
                            )
                            dismiss()
                        }
                    }
                    .disabled(!isValid || isSaving)
                }
            }
            .interactiveDismissDisabled(isSaving)
        }
    }

    // MARK: - Plant Info Row

    private var plantInfoRow: some View {
        VStack(alignment: .leading, spacing: 8) {
            HStack {
                Text("Scientific Name")
                Spacer()
                Text(plant.scientificName)
                    .foregroundStyle(.secondary)
                    .italic()
            }

            if !plant.commonNames.isEmpty {
                HStack {
                    Text("Common Name")
                    Spacer()
                    Text(plant.commonNames.first ?? "")
                        .foregroundStyle(.secondary)
                }
            }

            HStack {
                Text("Family")
                Spacer()
                Text(plant.family)
                    .foregroundStyle(.secondary)
            }
        }
    }
}

// MARK: - Preview

#Preview {
    PlantEditView(
        plant: Plant(
            scientificName: "Monstera deliciosa",
            commonNames: ["Swiss Cheese Plant"],
            family: "Araceae",
            genus: "Monstera",
            imageURLs: [],
            identificationSource: .onDeviceML,
            notes: "Got this from the local nursery",
            customName: "My Monstera"
        )
    ) { name, notes in
        print("Save: \(name ?? "nil"), \(notes ?? "nil")")
    }
}