using System.Collections.Generic;
using HutongGames.PlayMaker;
using UnityEngine;

namespace MSCO
{
    /// <summary>
    /// Admin-Cheats für den eigenen Spieler (Geld, Bedürfnisse). Nur aus dem Admin-Menü erreichbar, also nur für
    /// Server-Admins bzw. den P2P-Host. Geld wird über MoneySync automatisch an alle weitergegeben.
    /// </summary>
    public static class Cheats
    {
        // Globale PlayMaker-Variablen des Spielers: Wert, auf den "auffüllen" sie setzt
        static readonly KeyValuePair<string, float>[] Needs =
        {
            new KeyValuePair<string, float>("PlayerHunger", 0f),
            new KeyValuePair<string, float>("PlayerThirst", 0f),
            new KeyValuePair<string, float>("PlayerStress", 0f),
            new KeyValuePair<string, float>("PlayerUrine", 0f),
            new KeyValuePair<string, float>("PlayerFatigue", 0f),
            new KeyValuePair<string, float>("PlayerDirtiness", 0f),
        };

        public static string AddMoney(float amount)
        {
            FsmFloat money = FsmVariables.GlobalVariables.FindFsmFloat("PlayerMoney");
            if (money == null) return "Money not found (only works in the game)";
            money.Value += amount;
            return "+" + amount.ToString("0") + " MK (now " + money.Value.ToString("0") + " MK)";
        }

        public static string FillNeeds()
        {
            int done = 0;
            foreach (KeyValuePair<string, float> need in Needs)
            {
                FsmFloat v = FsmVariables.GlobalVariables.FindFsmFloat(need.Key);
                if (v == null) continue;
                v.Value = need.Value;
                done++;
            }
            return done > 0 ? "Hunger, thirst, stress, fatigue, bladder and dirt reset" : "Player needs not found (only works in the game)";
        }

        /// <summary>Teleport-Ziele im Admin-Menü: Anzeigename und Objekt im Spiel.</summary>
        public static readonly string[][] Places =
        {
            new[] { "Home", "YARD" }, new[] { "Shop (Teimo)", "STORE" }, new[] { "Repair shop", "REPAIRSHOP" },
            new[] { "Inspection", "INSPECTION" }, new[] { "Peräjärvi", "PERAJARVI" }, new[] { "Landfill", "LANDFILL" },
            new[] { "Dance hall", "DANCEHALL" }, new[] { "Cottage", "COTTAGE" }, new[] { "Cabin", "CABIN" },
            new[] { "Rally", "RALLY" }, new[] { "Drag race", "DRAGRACE" }, new[] { "Soccer field", "SOCCER" },
            new[] { "Kilju buyer", "KILJUGUY" }, new[] { "Theatre", "THEATRE" }, new[] { "Satsuma", "SATSUMA" },
        };

        /// <summary>
        /// Wohin bei einem Teleport-Ziel? Zu einem Ort gehören oft weit verstreute Teile (Briefkasten, Wege, Strecken,
        /// abgeschaltete Objekte) - deren gemeinsame Mitte liegt irgendwo im Wald. Deshalb: Median aller Teile (der Ort
        /// selbst, Ausreißer zählen nicht), darum die dichte Gruppe (60 m), daneben ein Stück außerhalb auf den Boden
        /// (nicht ins Dach oder in eine Wand).
        /// </summary>
        public static bool FindPlace(string objectName, out Vector3 position)
        {
            position = Vector3.zero;
            GameObject root = FindRoot(objectName);
            if (root == null) return false;

            var centers = new List<Vector3>();
            foreach (Renderer r in root.GetComponentsInChildren<Renderer>(true))
            {
                if (r == null || r is ParticleRenderer || r is ParticleSystemRenderer) continue;
                Vector3 size = r.bounds.size;
                if (size == Vector3.zero || size.x > 150f || size.z > 150f) continue; // Gelände-/Wasserflächen
                centers.Add(r.bounds.center);
            }
            if (centers.Count == 0)
            {
                Vector3 ground0;
                position = Ground(root.transform.position, root.transform.position.y + 50f, out ground0) ? ground0 : root.transform.position;
                return true;
            }

            Vector3 median = new Vector3(Median(centers, 0), Median(centers, 1), Median(centers, 2));
            Bounds cluster = new Bounds(median, Vector3.zero);
            foreach (Vector3 c in centers)
                if (new Vector2(c.x - median.x, c.z - median.z).sqrMagnitude < 60f * 60f) cluster.Encapsulate(c);

            Vector3 center = cluster.center;
            float ox = Mathf.Min(cluster.extents.x, 20f) + 4f, oz = Mathf.Min(cluster.extents.z, 20f) + 4f;
            Vector3[] candidates =
            {
                center + new Vector3(ox, 0f, 0f), center + new Vector3(-ox, 0f, 0f),
                center + new Vector3(0f, 0f, oz), center + new Vector3(0f, 0f, -oz), center,
            };
            foreach (Vector3 c in candidates)
            {
                Vector3 ground;
                if (Ground(c, cluster.max.y + 30f, out ground)) { position = ground; return true; }
            }
            position = center + Vector3.up * 2f;
            return true;
        }

        static float Median(List<Vector3> points, int axis)
        {
            var values = new List<float>(points.Count);
            foreach (Vector3 p in points) values.Add(p[axis]);
            values.Sort();
            return values[values.Count / 2];
        }

        /// <summary>Wurzelobjekt eines Ortes (nur oberste Ebene - "YARD" o.ä. gibt es auch als Unterobjekt).</summary>
        static GameObject FindRoot(string name)
        {
            GameObject found = null;
            // auch ausgeblendete Objekte (das Spiel schaltet entfernte Orte ab); aktive bevorzugt
            foreach (GameObject candidate in Resources.FindObjectsOfTypeAll<GameObject>())
            {
                if (candidate.name != name || candidate.transform.parent != null || candidate.hideFlags != HideFlags.None) continue;
                if (candidate.activeInHierarchy) return candidate;
                if (found == null) found = candidate;
            }
            return found;
        }

        /// <summary>Höchster fester Boden unter einem Punkt (ohne Trigger).</summary>
        static bool Ground(Vector3 at, float top, out Vector3 ground)
        {
            ground = at;
            bool found = false;
            foreach (RaycastHit hit in Physics.RaycastAll(new Vector3(at.x, top, at.z), Vector3.down, 1000f))
            {
                if (hit.collider == null || hit.collider.isTrigger || hit.normal.y < 0.6f) continue;
                if (!found || hit.point.y > ground.y) { ground = hit.point; found = true; }
            }
            return found;
        }

        /// <summary>Eigenen Spieler an eine Position setzen (etwas darüber, damit er nicht im Boden steckt).</summary>
        public static bool Teleport(Transform player, Vector3 position)
        {
            if (player == null) return false;
            player.position = position + Vector3.up * 0.3f;
            Rigidbody rb = player.GetComponent<Rigidbody>();
            if (rb != null && !rb.isKinematic) rb.velocity = Vector3.zero;
            return true;
        }
    }
}