import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:openmediacentermobile/screen_loading.dart';

import '../api/api.dart';

class ActorView extends StatefulWidget {
  const ActorView({Key? key, required this.videoId}) : super(key: key);
  final int videoId;

  @override
  State<ActorView> createState() => _ActorViewState();
}

class _ActorViewState extends State<ActorView> {
  late Future<List<Actor>> _data;

  @override
  void initState() {
    setState(() {
      _data = loadData();
    });
    super.initState();
  }

  Future<List<Actor>> loadData() async {
    final data = await API
        .query("actor", "getActorsOfVideo", {'MovieId': widget.videoId});
    if (data == 'null') {
      return [];
    }
    final d = jsonDecode(data);

    List<Actor> dta = (d as List).map((e) => Actor.fromJson(e)).toList();

    return dta;
  }

  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: _data,
      builder: (context, AsyncSnapshot<List<Actor>> snapshot) {
        if (snapshot.hasError) {
          return Text("Error");
        } else if (snapshot.hasData) {
          final actors = snapshot.data;
          if (actors?.isEmpty ?? true) {
            return Text("no actors available");
          } else {
            return Column(children: _renderActors(snapshot.data!));
          }
        } else {
          return ScreenLoading();
        }
      },
    );
  }

  List<Widget> _renderActors(List<Actor> actors) {
    return actors
        .map((e) => Text(
              e.name,
              style: TextStyle(color: Colors.black),
            ))
        .toList(growable: false);
  }
}

class Actor {
  int actorId;
  String name;
  String thumbnail;

  Actor(this.actorId, this.name, this.thumbnail);

  factory Actor.fromJson(dynamic json) {
    return Actor(json['ActorId'] as int, json['Name'] as String,
        json['Thumbnail'] as String);
  }

  @override
  String toString() {
    return 'Actor{ActorId: $actorId, Name: $name, Thumbnail: $thumbnail}';
  }
}