using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class simpleInventoryContentManager : MonoBehaviour
{
    [Header ("Main Settings")]
    [Space]

    public bool setInitialInventoryListEnabled;

    [Space]
    [Header ("List Settings")]
    [Space]

    public List<simpleInventoryInfo> simpleInventoryInfoList = new List<simpleInventoryInfo> ();

    [Space]
    [Header ("Debug")]
    [Space]

    public simpleInventoryInfo currentWeaponInfo;

    public bool currentWeaponInfoAssigned;

    [Space]
    [Header ("Components")]
    [Space]

    public inventoryManager mainInventoryManager;
    public playerWeaponsManager mainPlayerWeaponsManager;


    List<inventoryListElement> inventoryListManagerList = new List<inventoryListElement> ();


    // FUNCTION TO INITIALIZE THE INVENTORY WHEN STARTING THE GAME, OVERRIDING THE DEFAULT INITIAL INVENTORY ON INVENTORY MANAGER
    void Awake ()
    {
        if (setInitialInventoryListEnabled) {
            inventoryListManagerList.Clear ();

            int simpleInventoryInfoListCount = simpleInventoryInfoList.Count;

            for (int k = 0; k < simpleInventoryInfoListCount; k++) {

                simpleInventoryInfo currentSimpleInventoryInfo = simpleInventoryInfoList [k];

                if (currentSimpleInventoryInfo.addInventoryObject) {
                    inventoryInfo currentInventoryInfo = mainInventoryManager.getInventoryInfoByName (currentSimpleInventoryInfo.Name);

                    inventoryListElement newInventoryListElement = new inventoryListElement ();

                    newInventoryListElement.Name = currentInventoryInfo.Name;
                    newInventoryListElement.amount = currentSimpleInventoryInfo.amount;
                    newInventoryListElement.infiniteAmount = currentInventoryInfo.infiniteAmount;
                    newInventoryListElement.inventoryObjectName = currentInventoryInfo.Name;

                    newInventoryListElement.categoryIndex = currentInventoryInfo.categoryIndex;
                    newInventoryListElement.elementIndex = currentInventoryInfo.elementIndex;

                    newInventoryListElement.isEquipped = currentSimpleInventoryInfo.isEquipped;

                    newInventoryListElement.quickAccessSlotIndex = currentInventoryInfo.quickAccessSlotIndex;

                    newInventoryListElement.useDurability = currentInventoryInfo.useDurability;
                    newInventoryListElement.durabilityAmount = currentInventoryInfo.durabilityAmount;
                    newInventoryListElement.maxDurabilityAmount = currentInventoryInfo.maxDurabilityAmount;
                    newInventoryListElement.objectIsBroken = currentInventoryInfo.objectIsBroken;

                    newInventoryListElement.isWeapon = currentInventoryInfo.isWeapon;
                    newInventoryListElement.isMeleeWeapon = currentInventoryInfo.isMeleeWeapon;

                    if (newInventoryListElement.isWeapon && !newInventoryListElement.isMeleeWeapon) {
                        newInventoryListElement.projectilesInMagazine = currentSimpleInventoryInfo.projectilesInMagazine;
                    }

                    inventoryListManagerList.Add (newInventoryListElement);
                }
            }

            if (inventoryListManagerList.Count > 0) {
                mainInventoryManager.setNewInventoryListManagerList (inventoryListManagerList);
            }
        }
    }

    //FUNCTION TO SET WHICH IS THE CURRENT WEAPON CARRIED
    public void setCurrentWeaponObject (string weaponName)
    {
        updateCurrentSimpleInventoryList ();

        int simpleInventoryInfoListCount = simpleInventoryInfoList.Count;

        for (int k = 0; k < simpleInventoryInfoListCount; k++) {
            if (simpleInventoryInfoList [k].Name.Equals (weaponName)) {
                simpleInventoryInfoList [k].isCurrentWeapon = true;

                currentWeaponInfo = simpleInventoryInfoList [k];

                currentWeaponInfoAssigned = true;
            } else {
                simpleInventoryInfoList [k].isCurrentWeapon = false;
            }
        }
    }

    //FUNCTION TO UPDATE THE REMAIN AMMO ON THE MAGAZINE WHEN SHOOTING
    public void updateCurrentWeaponRemainMagazine (int amount)
    {
        if (currentWeaponInfoAssigned) {
            currentWeaponInfo.projectilesInMagazine = amount;
        }
    }

    //FUNCTION TO UPDATE AMMO OR ANY OTHER OBJECT AMOUNT
    public void updateSimpleInventoryObjectInfo (string objectName, int amount)
    {
        int currentIndex = simpleInventoryInfoList.FindIndex (s => s.Name.Equals (objectName));

        if (currentIndex > -1) {
            simpleInventoryInfo currentElement = simpleInventoryInfoList [currentIndex];

            currentElement.amount = amount;
        }
    }

    //FUNCTION CALLLED WHEN GETTING AMMO FROM THE SCENE OR ANY OTHER MOMENT WHILE PLAYING
    public void updateCurrentSimpleInventoryList ()
    {
        simpleInventoryInfoList.Clear ();

        List<inventoryInfo> inventoryList = mainInventoryManager.getInventoryList ();

        int inventoryListCount = inventoryList.Count;

        for (int k = 0; k < inventoryListCount; k++) {
            inventoryInfo currentInventoryInfo = inventoryList [k];

            if (currentInventoryInfo.amount > 0) {
                simpleInventoryInfo newSimpleInventoryInfo = new simpleInventoryInfo ();

                newSimpleInventoryInfo.Name = currentInventoryInfo.Name;
                newSimpleInventoryInfo.amount = currentInventoryInfo.amount;

                newSimpleInventoryInfo.isEquipped = currentInventoryInfo.isEquipped;

                newSimpleInventoryInfo.addInventoryObject = true;

                if (currentInventoryInfo.isWeapon && !currentInventoryInfo.isMeleeWeapon) {
                    newSimpleInventoryInfo.projectilesInMagazine = currentInventoryInfo.mainWeaponObjectInfo.getProjectilesInWeaponMagazine ();
                }

                simpleInventoryInfoList.Add (newSimpleInventoryInfo);
            }
        }

        string currentWeaponName = mainPlayerWeaponsManager.getCurrentWeaponName ();

        if (currentWeaponName != "") {
            setCurrentWeaponObject (currentWeaponName);
        }
    }


    //FUNCTION CALLED WHEN FINISHING THE GAME OR LEAVING THE GAME
    public void getCurrentInventoryList ()
    {
        inventoryListManagerList.Clear ();

        List<inventoryInfo> inventoryList = mainInventoryManager.getInventoryList ();

        int inventoryListCount = inventoryList.Count;

        for (int k = 0; k < inventoryListCount; k++) {
            inventoryInfo currentInventoryInfo = inventoryList [k];

            if (currentInventoryInfo.amount > 0) {
                inventoryListElement newInventoryListElement = new inventoryListElement ();

                newInventoryListElement.Name = currentInventoryInfo.Name;
                newInventoryListElement.amount = currentInventoryInfo.amount;
                newInventoryListElement.infiniteAmount = currentInventoryInfo.infiniteAmount;
                newInventoryListElement.inventoryObjectName = currentInventoryInfo.Name;

                newInventoryListElement.categoryIndex = currentInventoryInfo.categoryIndex;
                newInventoryListElement.elementIndex = currentInventoryInfo.elementIndex;

                newInventoryListElement.isEquipped = currentInventoryInfo.isEquipped;

                newInventoryListElement.quickAccessSlotIndex = currentInventoryInfo.quickAccessSlotIndex;

                newInventoryListElement.useDurability = currentInventoryInfo.useDurability;
                newInventoryListElement.durabilityAmount = currentInventoryInfo.durabilityAmount;
                newInventoryListElement.maxDurabilityAmount = currentInventoryInfo.maxDurabilityAmount;
                newInventoryListElement.objectIsBroken = currentInventoryInfo.objectIsBroken;

                newInventoryListElement.isWeapon = currentInventoryInfo.isWeapon;
                newInventoryListElement.isMeleeWeapon = currentInventoryInfo.isMeleeWeapon;

                if (newInventoryListElement.isWeapon && !newInventoryListElement.isMeleeWeapon) {
                    newInventoryListElement.projectilesInMagazine = currentInventoryInfo.mainWeaponObjectInfo.getProjectilesInWeaponMagazine ();
                }

                inventoryListManagerList.Add (newInventoryListElement);
            }
        }
    }

    //FUNCTION USED TO SET STARTING AMMON ON THE CURRENT WEAPON LIST
    public void setCurrentAmmoValues (List<int> ammoAmountList)
    {
        int simpleInventoryInfoListCount = simpleInventoryInfoList.Count;

        int ammoAmountListCount = ammoAmountList.Count;

        for (int k = 0; k < simpleInventoryInfoListCount; k++) {
            if (k <= ammoAmountListCount - 1) {
                int currentAmmoAmountToSet = ammoAmountList [k];

                setCurrentAmmoValuesOnWeapon (k, currentAmmoAmountToSet, false, false);
            }
        }

        updateCurrentSimpleInventoryList ();
    }

    //FUNCTION TO UPDATE THE AMMO ON A SINGLE WEAPON AT ANY MOMENT
    public void setCurrentAmmoValuesOnWeapon (int weaponIndex, int currentAmmoAmountToSet)
    {
        setCurrentAmmoValuesOnWeapon (weaponIndex, currentAmmoAmountToSet, true, false);
    }

    void setCurrentAmmoValuesOnWeapon (int weaponIndex, int currentAmmoAmountToSet, bool updateCurrentSimpleList, bool settingNewAmmoValue)
    {
        simpleInventoryInfo currentSimpleInventoryInfo = simpleInventoryInfoList [weaponIndex];

        playerWeaponSystem currentPlayerWeaponSystem = mainPlayerWeaponsManager.getWeaponSystemByName (currentSimpleInventoryInfo.Name);

        if (currentPlayerWeaponSystem != null) {
            string weaponAmmoName = currentPlayerWeaponSystem.getWeaponSystemAmmoName ();

            int currentAmmoAmountOnInventory = mainInventoryManager.getInventoryObjectAmountByName (weaponAmmoName);

            if (currentAmmoAmountOnInventory > 0) {
                mainInventoryManager.removeAllObjectAmountFromInventoryByName (weaponAmmoName);

                if (currentAmmoAmountToSet > 0) {
                    if (settingNewAmmoValue) {
                        currentAmmoAmountToSet += currentAmmoAmountOnInventory;
                    }

                    mainInventoryManager.addObjectAmountToInventoryByName (weaponAmmoName, currentAmmoAmountToSet);
                }

                mainPlayerWeaponsManager.setWeaponRemainAmmoFromInventory (currentPlayerWeaponSystem);

                currentPlayerWeaponSystem.setAmmoValues ();

                mainPlayerWeaponsManager.checkToUpdateInventoryWeaponAmmoTextByWeaponNumberKey (currentPlayerWeaponSystem.getWeaponNumberKey ());
            }

            if (updateCurrentSimpleList) {
                updateCurrentSimpleInventoryList ();
            }
        }
    }

    //FUNCTION TO ADD EXTRA AMMO AMOUNT ON A SPECIFIC WEAPON AT ANY MOMENT
    public void addAmmoToWeapon (int weaponIndex, int ammoAmountToAdd)
    {
        setCurrentAmmoValuesOnWeapon (weaponIndex, ammoAmountToAdd, true, true);
    }

    [System.Serializable]
    public class simpleInventoryInfo
    {
        public string Name;
        public int amount;

        public bool isEquipped;

        public bool addInventoryObject = true;

        public int projectilesInMagazine = -1;

        [HideInInspector] public bool isCurrentWeapon;
    }
}