using System;
using System.Linq;
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine;
using DepthsOfGreed.HandbookUI;

[InitializeOnLoad]
public static class SupplyBindingValidation
{
    static SupplyBindingValidation(){if(SessionState.GetBool("SupplyBindingTest",false))EditorApplication.playModeStateChanged+=Ready;}
    public static void Validate(){EditorSceneManager.OpenScene("Assets/Scenes/Tim_Test_UI.unity");SessionState.SetBool("SupplyBindingTest",true);EditorApplication.playModeStateChanged+=Ready;EditorApplication.EnterPlaymode();}
    static void Check(bool value,string message){if(!value)throw new Exception(message);}
    static void Ready(PlayModeStateChange change)
    {
        if(change!=PlayModeStateChange.EnteredPlayMode)return;SessionState.SetBool("SupplyBindingTest",false);EditorApplication.playModeStateChanged-=Ready;
        double due=EditorApplication.timeSinceStartup+1;int stage=0;SupplyBasementController c=null;SupplyContractTestBackend fake=null;
        EditorApplication.CallbackFunction run=null;run=()=>
        {
            if(EditorApplication.timeSinceStartup<due)return;
            try
            {
                if(stage==0)
                {
                    c=UnityEngine.Object.FindFirstObjectByType<SupplyBasementController>();fake=new GameObject("TEST_ONLY_SupplyAdapter").AddComponent<SupplyContractTestBackend>();
                    var catalog=AssetDatabase.LoadAssetAtPath<HandbookTowerCatalog>("Assets/HandbookData/TestTurmkatalog.asset");
                    Check(catalog.towers.Count(t=>t.supply.kind!=SupplyKind.None)==12,"Twelve supplied weapons");
                    fake.state.towers=new[]{new TowerSupplyState{instanceId=987,type=catalog.towers.First(t=>t.id=="ammo_0"),magazine=17,magazineCapacity=40}};
                    fake.state.channels=new[]{new SupplyChannelState{kind=SupplyKind.Physical,storage=180,storageCapacity=300,buffer=23,bufferCapacity=50}};
                    fake.state.truck=new SupplyTruckState{phase=SupplyTruckPhase.Driving,from=SupplyStop.PhysicalTank,to=SupplyStop.Distributor,progress=.5f,cargoKind=SupplyKind.Physical,cargo=20,cargoCapacity=40};
                    c.BindSupplyBackend(fake);c.UseLift();stage=1;due=EditorApplication.timeSinceStartup+1.7;
                }
                else
                {
                    Check(c.IsInBasement && c.HasSupplyBackend,"Adapter attached");
                    Check(c.connectionNames[0].text.Contains("987"),"Backend tower IDs, independent of prototype placement");
                    Check(c.storageAmounts[0].text=="180 / 300" && c.bufferAmounts[0].text=="23 / 50","Channel snapshots rendered");
                    Check(c.magazineAmounts[0].gameObject.activeSelf && c.magazineAmounts[0].text.Contains("17 / 40"),"Live magazine rendered");
                    Check(Mathf.Abs(c.truck.anchoredPosition.x-Mathf.Lerp(c.loadingPositions[0],c.unloadingPosition,.5f))<.1f,"Backend drives truck; preview suppressed");
                    c.ToggleConnection(0);Check(!fake.state.towers[0].connected && !c.IsConnectionEnabled(987),"Connection command accepted");
                    fake.reject=true;c.ToggleConnection(0);Check(!c.IsConnectionEnabled(987),"Rejected command does not change connection");
                    fake.reject=false;c.SetPriority(1);Check(fake.state.priority==SupplyKind.EnergyCells && c.Priority==1,"Priority command accepted");
                    fake.reject=true;c.SetPriority(2);Check(c.Priority==1,"Rejected priority remains authoritative");
                    fake.state.towers=Array.Empty<TowerSupplyState>();c.SendMessage("RefreshConnections");Check(!c.connectionButtons[0].interactable,"Removed tower frees slot");
                    Debug.Log("SUPPLY_BINDING_VALIDATION_OK: fields, live amounts, external tower IDs, commands, rejection, truck route and removal.");EditorApplication.update-=run;EditorApplication.Exit(0);
                }
            }
            catch(Exception e){EditorApplication.update-=run;Debug.LogException(e);EditorApplication.Exit(1);}
        };EditorApplication.update+=run;
    }
}