//
//  DMView.swift
//  damus
//
//  Created by William Casarin on 2022-07-01.
//

import SwiftUI

struct DMView: View {
    let event: NostrEvent
    let damus_state: DamusState

    var is_ours: Bool {
        event.pubkey == damus_state.pubkey
    }
    
    var Mention: some View {
        Group {
            if let mention = first_eref_mention(ev: event, privkey: damus_state.keypair.privkey) {
                BuilderEventView(damus: damus_state, event_id: mention.ref.id)
            } else {
                EmptyView()
            }
        }
    }
    
    var dm_options: EventViewOptions {
        if self.damus_state.settings.translate_dms {
            return []
        }
        
        return [.no_translate]
    }
    
    var DM: some View {
        HStack {
            if is_ours {
                Spacer(minLength: UIScreen.main.bounds.width * 0.2)
            }

            let should_show_img = should_show_images(settings: damus_state.settings, contacts: damus_state.contacts, ev: event, our_pubkey: damus_state.pubkey)

            NoteContentView(damus_state: damus_state, event: event, show_images: should_show_img, size: .normal, artifacts: .just_content(event.get_content(damus_state.keypair.privkey)), options: dm_options)
                .padding([.top, .leading, .trailing], 10)
                .padding([.bottom], 25)
                .background(VisualEffectView(effect: UIBlurEffect(style: .prominent))
                    .background(is_ours ? Color.accentColor.opacity(0.9) : Color.secondary.opacity(0.15))
                )
                .cornerRadius(8.0)
                .tint(is_ours ? Color.white : Color.accentColor)
                .overlay(Text(format_relative_time(event.created_at))
                               .font(.footnote)
                               .foregroundColor(.gray)
                               .opacity(0.8)
                               .offset(x: -10, y: -5), alignment: .bottomTrailing)
            
            if !is_ours {
                Spacer(minLength: UIScreen.main.bounds.width * 0.2)
            }
        }
    }
    
    var body: some View {
        VStack {
            Mention
            DM
        }
        
    }
}

struct DMView_Previews: PreviewProvider {
    static var previews: some View {
        let ev = NostrEvent(content: "Hey there *buddy*, want to grab some drinks later? 🍻", pubkey: "pubkey", kind: 1, tags: [])
        DMView(event: ev, damus_state: test_damus_state())
    }
}