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

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();

            double ltg1Y = 410;
            double ltg2Y = ltg1Y + 30;
            double ltg1X = 600;
            double ltg2X = ltg1X + 30;
            double ltg6Y = 60;
            double ltg7Y = ltg6Y - 30;
            double tanksY = 180;
            double tValveY = ((tanksY - 50) + ltg6Y) / 2 + 5;
            double t1X = 735;
            double t2X = t1X + 80;
            double t3X = t2X + 80;
            double t4X = t3X + 80 + 30;
            double t5X = t4X + 80;
            double t6X = t5X + 80 + 30;
            double t7X = t6X + 80;
            double t8X = t7X + 80;
            double t9X = t8X + 80;

            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, ltg1Y);
            var x5 = new PipeJoin(50, 210);
            var x6 = new PipeJoin(50, ltg2Y);

            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, ltg1Y);
            var v6 = CreateValve(6, 200, ltg2Y + 40);
            var v7 = CreateValve(7, 125, ltg2Y);
            var v8 = CreateValve(8,  50, ltg2Y + 40);
            var v9 = CreateValve(9, ltg2X, 400);

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

            var xv15 = new PipeJoin(ltg1X, 300);
            var xv11 = new PipeJoin(ltg2X, 330);
            var x7 = new PipeJoin(ltg2X, 360);

            Graph.CreatePipe(v5, xv15);
            Graph.CreatePipe(v9, x7);
            Graph.CreatePipe(x7, xv11);

            var v10 = CreateValve(10, ltg2X + 40, 360);
            var v11 = CreateValve(11, ltg1X - 40, 330);
            var v12 = CreateValve(12, ltg1X, 260);
            var v13 = CreateValve(13, ltg2X, 260);
            var v14 = CreateValve(14, ltg1X - 40, 220);
            var v15 = CreateValve(15, ltg1X - 40, 300);
            var v16 = CreateValve(16, ltg1X - 40, 190);

            Graph.CreatePipe(v10, x7);
            Graph.CreatePipe(xv11, v11);
            Graph.CreatePipe(xv15, v15);
            Graph.CreatePipe(xv15, v12);
            Graph.CreatePipe(xv11, v13);

            var xv16 = new PipeJoin(ltg1X, 190);
            var xv14 = new PipeJoin(ltg2X, 220);

            Graph.CreatePipe(v12, xv16);
            Graph.CreatePipe(v13, xv14);
            Graph.CreatePipe(v16, xv16);
            Graph.CreatePipe(v14, xv14);

            var v20 = CreateValve(20, ltg1X - 40, 60);
            var v21 = CreateValve(21, ltg1X - 40, 90);
            var xv20 = new PipeJoin(ltg1X, 60);
            var xv21 = new PipeJoin(ltg2X, 90);

            Graph.CreatePipe(xv16, xv20);
            Graph.CreatePipe(xv14, xv21);
            Graph.CreatePipe(v20, xv20);
            Graph.CreatePipe(v21, xv21);

            var x8 = new PipeJoin(ltg1X - 80, 300);
            var x9 = new PipeJoin(ltg1X - 80, 220);
            var x10 = new PipeJoin(ltg1X - 80, 90);

            Graph.CreatePipe(v11, x8);
            Graph.CreatePipe(v15, x8);
            Graph.CreatePipe(x9, v14, true);
            Graph.CreatePipe(x9, v16, true);
            Graph.CreatePipe(x10, v20, true);
            Graph.CreatePipe(x10, v21, true);

            var xv22 = new PipeJoin(t1X - 15, ltg7Y);
            var xv23 = new PipeJoin(t1X + 15, ltg6Y);
            var v22 = CreateValve(22, t1X - 15, tValveY);
            var v23 = CreateValve(23, t1X + 15, tValveY);
            var t1 = CreateTank(1, t1X, tanksY);
            Graph.CreatePipe(xv20, xv22, true);
            Graph.CreatePipe(xv21, xv23, true);
            Graph.CreatePipe(xv22, v22);
            Graph.CreatePipe(xv23, v23);
            Graph.CreateInlet(v22, t1);
            Graph.CreateInlet(v23, t1);

            var xv24 = new PipeJoin(t2X - 15, ltg7Y);
            var xv25 = new PipeJoin(t2X + 15, ltg6Y);
            var v24 = CreateValve(24, t2X - 15, tValveY);
            var v25 = CreateValve(25, t2X + 15, tValveY);
            var t2 = CreateTank(2, t2X, tanksY);
            Graph.CreatePipe(xv22, xv24);
            Graph.CreatePipe(xv23, xv25);
            Graph.CreatePipe(xv24, v24);
            Graph.CreatePipe(xv25, v25);
            Graph.CreateInlet(v24, t2);
            Graph.CreateInlet(v25, t2);

            var xv26 = new PipeJoin(t3X - 15, ltg7Y);
            var xv27 = new PipeJoin(t3X + 15, ltg6Y);
            var v26 = CreateValve(26, t3X - 15, tValveY);
            var v27 = CreateValve(27, t3X + 15, tValveY);
            var t3 = CreateTank(3, t3X, tanksY);
            Graph.CreatePipe(xv24, xv26);
            Graph.CreatePipe(xv25, xv27);
            Graph.CreatePipe(xv26, v26);
            Graph.CreatePipe(xv27, v27);
            Graph.CreateInlet(v26, t3);
            Graph.CreateInlet(v27, t3);

            var v28 = CreateValve(28, (t3X + t4X) / 2, ltg7Y);
            var v29 = CreateValve(29, (t3X + t4X) / 2, ltg6Y);
            Graph.CreatePipe(xv26, v28);
            Graph.CreatePipe(xv27, v29);

            var xv30 = new PipeJoin(t4X - 15, ltg7Y);
            var xv31 = new PipeJoin(t4X + 15, ltg6Y);
            var v30 = CreateValve(30, t4X - 15, tValveY);
            var v31 = CreateValve(31, t4X + 15, tValveY);
            var t4 = CreateTank(4, t4X, tanksY);
            Graph.CreatePipe(v28, xv30);
            Graph.CreatePipe(v29, xv31);
            Graph.CreatePipe(xv30, v30);
            Graph.CreatePipe(xv31, v31);
            Graph.CreateInlet(v30, t4);
            Graph.CreateInlet(v31, t4);

            var xv32 = new PipeJoin(t5X - 15, ltg7Y);
            var xv33 = new PipeJoin(t5X + 15, ltg6Y);
            var v32 = CreateValve(32, t5X - 15, tValveY);
            var v33 = CreateValve(33, t5X + 15, tValveY);
            var t5 = CreateTank(5, t5X, tanksY);
            Graph.CreatePipe(xv30, xv32);
            Graph.CreatePipe(xv31, xv33);
            Graph.CreatePipe(xv32, v32);
            Graph.CreatePipe(xv33, v33);
            Graph.CreateInlet(v32, t5);
            Graph.CreateInlet(v33, t5);

            var v34 = CreateValve(34, (t5X + t6X) / 2, ltg7Y);
            var v35 = CreateValve(35, (t5X + t6X) / 2, ltg6Y);
            Graph.CreatePipe(xv32, v34);
            Graph.CreatePipe(xv33, v35);

            var xv36 = new PipeJoin(t6X + 15, ltg6Y);
            var xv37 = new PipeJoin(t6X - 15, ltg7Y);
            var v36 = CreateValve(36, t6X + 15, tValveY);
            var v37 = CreateValve(37, t6X - 15, tValveY);
            var t6 = CreateTank(6, t6X, tanksY);
            Graph.CreatePipe(v34, xv37);
            Graph.CreatePipe(v35, xv36);
            Graph.CreatePipe(xv37, v37);
            Graph.CreatePipe(xv36, v36);
            Graph.CreateInlet(v36, t6);
            Graph.CreateInlet(v37, t6);

            var xv38 = new PipeJoin(t7X + 15, ltg6Y);
            var xv39 = new PipeJoin(t7X - 15, ltg7Y);
            var v38 = CreateValve(38, t7X + 15, tValveY);
            var v39 = CreateValve(39, t7X - 15, tValveY);
            var t7 = CreateTank(7, t7X, tanksY);
            Graph.CreatePipe(xv37, xv39);
            Graph.CreatePipe(xv36, xv38);
            Graph.CreatePipe(xv38, v38);
            Graph.CreatePipe(xv39, v39);
            Graph.CreateInlet(v38, t7);
            Graph.CreateInlet(v39, t7);

            var xv40 = new PipeJoin(t8X + 15, ltg6Y);
            var xv41 = new PipeJoin(t8X - 15, ltg7Y);
            var v40 = CreateValve(40, t8X + 15, tValveY);
            var v41 = CreateValve(41, t8X - 15, tValveY);
            var t8 = CreateTank(8, t8X, tanksY);
            Graph.CreatePipe(xv38, xv40);
            Graph.CreatePipe(xv39, xv41);
            Graph.CreatePipe(xv40, v40);
            Graph.CreatePipe(xv41, v41);
            Graph.CreateInlet(v40, t8);
            Graph.CreateInlet(v41, t8);

            var v42 = CreateValve(42, t9X + 15, tValveY);
            var v43 = CreateValve(43, t9X - 15, tValveY);
            var t9 = CreateTank(9, t9X, tanksY);
            Graph.CreatePipe(xv40, v42);
            Graph.CreatePipe(xv41, v43);
            Graph.CreateInlet(v42, t9);
            Graph.CreateInlet(v43, t9);

            var xp12 = new PipeJoin((t1X + t2X) / 2, tanksY + 80);
            var p12 = new Pump("P1/2", (t1X + t2X) / 2, tanksY + 110);
            Graph.CreateOutlet(t1, xp12);
            Graph.CreateOutlet(t2, xp12);
            Graph.CreatePipe(xp12, p12);

            var p3 = new Pump("P3", t3X, tanksY + 110);
            var p4 = new Pump("P4", t4X, tanksY + 110);
            var p5 = new Pump("P5", t5X, tanksY + 110);
            Graph.CreateOutlet(t3, p3);
            Graph.CreateOutlet(t4, p4);
            Graph.CreateOutlet(t5, p5);

            var v44 = CreateValve(44, (t1X + t2X) / 2, tanksY + 150);
            var v45 = CreateValve(45, t3X, tanksY + 150);
            var v46 = CreateValve(46, (t3X + t4X) / 2, tanksY + 180);
            var v47 = CreateValve(47, t4X, tanksY + 150);
            var v48 = CreateValve(48, t5X, tanksY + 150);
            var xv44 = new PipeJoin((t1X + t2X) / 2, tanksY + 180);
            var xv45 = new PipeJoin(t3X, tanksY + 180);
            var xv47 = new PipeJoin(t4X, tanksY + 180);
            Graph.CreatePipe(p12, v44);
            Graph.CreatePipe(p3, v45);
            Graph.CreatePipe(p4, v47);
            Graph.CreatePipe(p5, v48);
            Graph.CreatePipe(v44, xv44);
            Graph.CreatePipe(v45, xv45);
            Graph.CreatePipe(v47, xv47);

            Graph.CreatePipe(xv44, v10);
            Graph.CreatePipe(v48, xv47, true);
            Graph.CreateTwoWayPipe(xv47, v46);
            Graph.CreateTwoWayPipe(v46, xv45);
            Graph.CreateTwoWayPipe(xv45, xv44);

            var xt6 = new PipeJoin(t6X, tanksY + 80);
            var xt7 = new PipeJoin(t7X, tanksY + 80);
            var xt8 = new PipeJoin(t8X, tanksY + 80);
            var p6 = new Pump("P6", t6X, tanksY + 110);
            Graph.CreateOutlet(t6, xt6);
            Graph.CreateOutlet(t7, xt7);
            Graph.CreateOutlet(t8, xt8);
            Graph.CreateOutlet(t9, xt8);
            Graph.CreatePipe(xt8, xt7);
            Graph.CreatePipe(xt7, xt6);
            Graph.CreatePipe(xt6, p6);

            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 static Tank CreateTank(int n, double x, double y) {
            return new($"Tank {n}", x, y, () => App.Plant?.TankFillLevels[n - 1] != FillState.Empty, () => App.Plant?.TankFillLevels[n - 1] != FillState.Full);
        }

        private void SchemeCanvas_MouseMove(object sender, MouseEventArgs evt) {
            var p = evt.GetPosition(SchemeCanvas);
            foreach (var e in Graph.Edges) {
                e.Highlight = null;
            }
            var hover = Graph.Update(p.X, p.Y);
            if (hover.Count > 0) {
                var path = Graph.GetPath(MW1, hover.First(), (n) => n is not ISink);
                if (path != null) {
                    foreach (var (edge, node) in path.Value.Hops) {
                        edge.Highlight = Brushes.Green;
                    }
                }
                Graph.Update(p.X, p.Y);
            }
        }

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


        }
    }
}