damus/damus/Views/ProfileName.swift

//
//  ProfileName.swift
//  damus
//
//  Created by William Casarin on 2022-04-16.
//

import SwiftUI

func get_friend_icon(contacts: Contacts, pubkey: String, show_confirmed: Bool) -> String? {
    if !show_confirmed {
        return nil
    }
    
    if contacts.is_friend_or_self(pubkey) {
        return "person.fill.checkmark"
    }
    
    if contacts.is_friend_of_friend(pubkey) {
        return "person.fill.and.arrow.left.and.arrow.right"
    }
    
    return nil
}

struct ProfileName: View {
    let damus_state: DamusState
    let pubkey: String
    let profile: Profile?
    let prefix: String
    
    let show_friend_confirmed: Bool
    
    @State var display_name: String?
    @State var nip05: NIP05?
    
    init(pubkey: String, profile: Profile?, damus: DamusState, show_friend_confirmed: Bool) {
        self.pubkey = pubkey
        self.profile = profile
        self.prefix = ""
        self.show_friend_confirmed = show_friend_confirmed
        self.damus_state = damus
    }
    
    init(pubkey: String, profile: Profile?, prefix: String, damus: DamusState, show_friend_confirmed: Bool) {
        self.pubkey = pubkey
        self.profile = profile
        self.prefix = prefix
        self.damus_state = damus
        self.show_friend_confirmed = show_friend_confirmed
    }
    
    var friend_icon: String? {
        return get_friend_icon(contacts: damus_state.contacts, pubkey: pubkey, show_confirmed: show_friend_confirmed)
    }
    
    var current_nip05: NIP05? {
        nip05 ?? damus_state.profiles.is_validated(pubkey)
    }
    
    var nip05_color: Color {
        return get_nip05_color(pubkey: pubkey, contacts: damus_state.contacts)
    }
    
    var body: some View {
        HStack(spacing: 2) {
            Text(prefix + String(display_name ?? Profile.displayName(profile: profile, pubkey: pubkey)))
                .font(.body)
                .fontWeight(prefix == "@" ? .none : .bold)
            if let nip05 = current_nip05 {
                Image(systemName: "checkmark.seal.fill")
                    .foregroundColor(nip05_color)
                Text(nip05.host)
                    .foregroundColor(nip05_color)
            }
            if let friend = friend_icon, current_nip05 == nil {
                Image(systemName: friend)
                    .foregroundColor(.gray)
            }
        }
        .onReceive(handle_notify(.profile_updated)) { notif in
            let update = notif.object as! ProfileUpdate
            if update.pubkey != pubkey {
                return
            }
            display_name = Profile.displayName(profile: update.profile, pubkey: pubkey)
            nip05 = damus_state.profiles.is_validated(pubkey)
        }
    }
}

/// Profile Name used when displaying an event in the timeline
struct EventProfileName: View {
    let damus_state: DamusState
    let pubkey: String
    let profile: Profile?
    let prefix: String
    
    let show_friend_confirmed: Bool
    
    @State var display_name: String?
    @State var nip05: NIP05?
    
    let size: EventViewKind
    
    init(pubkey: String, profile: Profile?, damus: DamusState, show_friend_confirmed: Bool, size: EventViewKind = .normal) {
        self.damus_state = damus
        self.pubkey = pubkey
        self.profile = profile
        self.prefix = ""
        self.show_friend_confirmed = show_friend_confirmed
        self.size = size
    }
    
    init(pubkey: String, profile: Profile?, prefix: String, damus: DamusState, show_friend_confirmed: Bool, size: EventViewKind = .normal) {
        self.damus_state = damus
        self.pubkey = pubkey
        self.profile = profile
        self.prefix = prefix
        self.show_friend_confirmed = show_friend_confirmed
        self.size = size
    }
    
    var friend_icon: String? {
        return get_friend_icon(contacts: damus_state.contacts, pubkey: pubkey, show_confirmed: show_friend_confirmed)
    }
    
    var current_nip05: NIP05? {
        nip05 ?? damus_state.profiles.is_validated(pubkey)
    }
   
    var body: some View {
        HStack(spacing: 2) {
            if let real_name = profile?.display_name {
                Text(real_name)
                    .font(.body.weight(.bold))
                    .padding([.trailing], 2)
                
                Text("@" + String(display_name ?? Profile.displayName(profile: profile, pubkey: pubkey)))
                    .foregroundColor(.gray)
                    .font(eventviewsize_to_font(size))
            } else {
                Text(String(display_name ?? Profile.displayName(profile: profile, pubkey: pubkey)))
                    .font(eventviewsize_to_font(size))
                    .fontWeight(.bold)
            }
            
            if let _ = current_nip05 {
                Image(systemName: "checkmark.seal.fill")
                    .foregroundColor(get_nip05_color(pubkey: pubkey, contacts: damus_state.contacts))
            }
            
            if let frend = friend_icon, current_nip05 == nil {
                Label("", systemImage: frend)
                    .foregroundColor(.gray)
                    .font(.footnote)
            }
        }
        .onReceive(handle_notify(.profile_updated)) { notif in
            let update = notif.object as! ProfileUpdate
            if update.pubkey != pubkey {
                return
            }
            display_name = Profile.displayName(profile: update.profile, pubkey: pubkey)
            nip05 = damus_state.profiles.is_validated(pubkey)
        }
    }
}

func get_nip05_color(pubkey: String, contacts: Contacts) -> Color {
    return contacts.is_friend_or_self(pubkey) ? .accentColor : .gray
}