using PamhagenSysCtrl.Helpers;
using PamhagenSysCtrl.Helpers.Pipeline;
using System.Windows;
using System.Windows.Input;

namespace PamhagenSysCtrl.Windows {
    public partial class PlantSchemeWindow : Window {

        private readonly Graph Graph;
        private Trough MW1;
        private Trough MW2;

        public PlantSchemeWindow() {
            InitializeComponent();
            App.Plant?.Update += OnUpdate;

            Graph = new Graph();

            MW1 = new Trough("MW1", 200, 50, () => App.Plant?.FillLevelA1 != FillState.Empty);
            MW2 = new Trough("MW2",  50, 50, () => App.Plant?.FillLevelA1 != FillState.Empty);
            var mp1 = new Pump("MP1", 200, 80);
            var mp2 = new Pump("MP2",  50, 80);
            var x1 = new PipeJoin(200, 120);
            var x2 = new PipeJoin(50, 120);

            Graph.CreatePipe(MW1, mp1);
            Graph.CreatePipe(MW2, mp2);
            Graph.CreatePipe(mp1, x1);
            Graph.CreatePipe(mp2, x2);

            var v1 = CreateValve(1, 200, 150);
            var v2 = CreateValve(2,  50, 150);
            var v3 = CreateValve(3,  80, 150);
            var v4 = CreateValve(4, 170, 150);

            Graph.CreatePipe(x1, v1);
            Graph.CreatePipe(x1, v4);
            Graph.CreatePipe(x2, v2);
            Graph.CreatePipe(x2, v3);

            var x3 = new PipeJoin(200, 180);
            var x4 = new PipeJoin(200, 210);
            var x5 = new PipeJoin(50, 210);
            var x6 = new PipeJoin(50, 240);

            Graph.CreatePipe(v1, x3, true);
            Graph.CreatePipe(v3, x3, true);
            Graph.CreatePipe(x3, x4, true);
            Graph.CreatePipe(v2, x5, true);
            Graph.CreatePipe(v4, x5, true);
            Graph.CreatePipe(x5, x6, true);

            var v5 = CreateValve(5, 250, 210);
            var v6 = CreateValve(6, 200, 280);
            var v7 = CreateValve(7, 125, 240);
            var v8 = CreateValve(8,  50, 280);
            var v9 = CreateValve(9, 280, 240);

            Graph.CreatePipe(x4, v5);
            Graph.CreatePipe(x4, v6);
            Graph.CreatePipe(x6, v7);
            Graph.CreatePipe(x6, v8);
            Graph.CreatePipe(v7, v9);

            var x7 = new PipeJoin(390, 210);
            var x8 = new PipeJoin(360, 240);
            var x9 = new PipeJoin(320, 240);

            Graph.CreatePipe(v5, x7);
            Graph.CreatePipe(v9, x9);
            Graph.CreatePipe(x9, x8);

            var v10 = CreateValve(10, 320, 280);
            var v11 = CreateValve(11, 360, 180);
            var v12 = CreateValve(12, 440, 210);
            var v13 = CreateValve(13, 440, 240);
            var v14 = CreateValve(14, 490, 180);
            var v15 = CreateValve(15, 390, 180);
            var v16 = CreateValve(16, 520, 180);

            Graph.CreatePipe(v10, x9);
            Graph.CreatePipe(x8, v11);
            Graph.CreatePipe(x7, v15);
            Graph.CreatePipe(x7, v12);
            Graph.CreatePipe(x8, v13);

            var x10 = new PipeJoin(520, 210);
            var x11 = new PipeJoin(490, 240);

            Graph.CreatePipe(v12, x10);
            Graph.CreatePipe(v13, x11);
            Graph.CreatePipe(x10, v16);
            Graph.CreatePipe(x11, v14);

            var v20 = CreateValve(20, 650, 180);
            var v21 = CreateValve(21, 620, 180);
            var x12 = new PipeJoin(650, 210);
            var x13 = new PipeJoin(620, 240);

            Graph.CreatePipe(x10, x12);
            Graph.CreatePipe(x11, x13);
            Graph.CreatePipe(x12, v20);
            Graph.CreatePipe(x13, v21);

            var x14 = new PipeJoin(390, 140);
            var x15 = new PipeJoin(490, 140);
            var x16 = new PipeJoin(620, 140);

            Graph.CreatePipe(v11, x14, true);
            Graph.CreatePipe(v15, x14, true);
            Graph.CreatePipe(v14, x15, true);
            Graph.CreatePipe(v16, x15, true);
            Graph.CreatePipe(v20, x16, true);
            Graph.CreatePipe(v21, x16, true);

            Graph.Draw(SchemeCanvas);
        }

        private static Valve CreateValve(int n, double x, double y) {
            return new($"V{n}", x, y, () => App.Plant?.IsValveOpen(4) ?? false, () => App.Plant?.WantValveOpen(4) ?? false);
        }

        private void SchemeCanvas_MouseMove(object sender, MouseEventArgs evt) {
            var p = evt.GetPosition(SchemeCanvas);
            foreach (var e in Graph.Edges) {
                e.Highlight = false;
            }
            var hover = Graph.Update(p.X, p.Y);
            if (hover.Count > 0) {
                var path = Graph.GetPath(MW1, hover.First());
                if (path != null) {
                    foreach (var (edge, node) in path.Value.Hops) {
                        edge.Highlight = true;
                    }
                }
                Graph.Update(p.X, p.Y);
            }
        }

        public void OnUpdate(object? sender, PlantEventArgs evt) {
            if (sender is not PamhagenPlant plant) return;


        }
    }
}