using UnityEngine;

namespace MazeGen
{
    /// <summary>
    /// Displays simulation status: elapsed time, agents finished/dead count, level completion state.
    /// Also owns the simulation controls (pause/resume, speed adjust, fight pause toggle, watch/log mode).
    /// </summary>
    public class StatusPanelUI
    {
        private float targetFinishedAgentCount;
        private float timeLimitSeconds;
        private CombatDirector director;
        private MazeCameraController cameraController;
        private Bounds mazeBounds;

        public StatusPanelUI(float targetFinished, float timeLimit, CombatDirector combatDirector, MazeCameraController camera, Bounds bounds)
        {
            targetFinishedAgentCount = targetFinished;
            timeLimitSeconds = timeLimit;
            director = combatDirector;
            cameraController = camera;
            mazeBounds = bounds;
        }

        public void Draw(float elapsedTime, int totalAgents, int finishedCount, int deadCount, bool levelEnded, System.Action onZoomToFit)
        {
            GUILayout.BeginArea(new Rect(10, 10, 280, Screen.height - 20), GUI.skin.box);

            // Elapsed time display
            string timeLabel = timeLimitSeconds > 0f ? $"{elapsedTime:0.0}s / {timeLimitSeconds:0.0}s" : $"{elapsedTime:0.0}s";
            GUILayout.Label($"Elapsed: {timeLabel}");

            // Finished/dead count
            string finishLabel = targetFinishedAgentCount > 0 ? $"{finishedCount} / {(int)targetFinishedAgentCount}" : $"{finishedCount}";
            GUILayout.Label($"Finished: {finishLabel}    Dead: {deadCount}");

            // Level completion status
            if (levelEnded)
                GUILayout.Label("LEVEL COMPLETE", GUI.skin.box);

            GUILayout.Space(4);
            DrawSimulationControls();

            GUILayout.Space(4);
            if (GUILayout.Button("Zoom to fit maze"))
                onZoomToFit?.Invoke();

            GUILayout.EndArea();
        }

        private void DrawSimulationControls()
        {
            bool paused = SimulationClock.IsPaused;
            GUILayout.Label(paused ? $"PAUSED ({SimulationClock.HoldSummary ?? "manual"})" : $"Running at {SimulationClock.TimeScale:0.0}x", GUI.skin.box);

            GUILayout.BeginHorizontal();
            if (GUILayout.Button(SimulationClock.UserPaused ? "Resume (space)" : "Pause (space)"))
                SimulationClock.UserPaused = !SimulationClock.UserPaused;
            if (GUILayout.Button("0.5x")) SimulationClock.TimeScale = 0.5f;
            if (GUILayout.Button("1x")) SimulationClock.TimeScale = 1f;
            if (GUILayout.Button("4x")) SimulationClock.TimeScale = 4f;
            GUILayout.EndHorizontal();

            director.PauseOnFightDeclared = GUILayout.Toggle(director.PauseOnFightDeclared, " Pause when a fight is declared");

            GUILayout.BeginHorizontal();
            GUILayout.Label("On join window end:", GUILayout.Width(120f));
            bool watch = director.TimeoutResolution == CombatViewMode.Watch;
            if (GUILayout.Button(watch ? "Watch fight" : "Log only"))
                director.TimeoutResolution = watch ? CombatViewMode.Simulate : CombatViewMode.Watch;
            GUILayout.EndHorizontal();
        }
    }
}