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//      Magicbane Emulator Project © 2013 - 2026
//                https://www.magicbane.com

package engine.parsers.cache;

import engine.gameManager.ConfigManager;
import engine.mbEnums;
import engine.parsers.objects.ItemTemplate;
import org.json.JSONArray;
import org.json.JSONObject;
import org.pmw.tinylog.Logger;

import java.io.File;
import java.util.HashMap;

// Loads ITEM templates from the client cache JSON (COBJECTS/ITEM/<id>.json).

public class ItemParser {

    private static final String itemPath = ConfigManager.DEFAULT_DATA_DIR + "COBJECTS/ITEM/";

    public static HashMap<Integer, ItemTemplate> parseItemFolder() {

        HashMap<Integer, ItemTemplate> itemTemplates = new HashMap<>();
        File[] itemFiles = CacheParserUtil.listJsonFiles(itemPath);
        int templateId;
        JSONObject itemJson;
        int failedCount = 0;

        for (File itemFile : itemFiles) {
            try {
                templateId = CacheParserUtil.templateIdFromFile(itemFile);
                itemJson = CacheParserUtil.readJsonFile(itemFile);
                itemTemplates.put(templateId, parseItemEntry(templateId, itemJson));
            } catch (Exception e) {
                Logger.error(itemFile.getName() + ": " + e);
                failedCount++;
            }
        }

        Logger.info("Loaded " + itemTemplates.size() + " of " + itemFiles.length + " item templates");

        // Partial item data is never usable; null tells the caller to abort
        if (failedCount > 0)
            return null;

        return itemTemplates;
    }

    private static ItemTemplate parseItemEntry(int templateId, JSONObject itemJson) {

        ItemTemplate item = new ItemTemplate();
        JSONObject raceReq;
        JSONObject classReq;
        JSONObject discReq;
        JSONArray itemFlags;
        JSONArray useFlags;
        String flag;
        Object stubJson;
        JSONArray stubHolder;

        item.template_id = templateId;

        // obj_

        item.obj_name = itemJson.getString("obj_name");
        item.obj_pickable = itemJson.getBoolean("obj_pickable");
        item.obj_gravity = itemJson.getFloat("obj_gravity");
        item.obj_cull_distance = itemJson.getFloat("obj_cull_distance");
        item.obj_scale = CacheParserUtil.readVector3(itemJson.getJSONArray("obj_scale"));
        item.obj_render_object = itemJson.getInt("obj_render_object");
        item.obj_double_fusion = itemJson.getBoolean("obj_double_fusion");
        item.obj_forward_vector = CacheParserUtil.readVector3(itemJson.getJSONArray("obj_forward_vector"));
        item.obj_tracking_name = itemJson.getString("obj_tracking_name");
        item.obj_max_tracking_distance = itemJson.getFloat("obj_max_tracking_distance");
        item.obj_icon = itemJson.getInt("obj_icon");
        item.obj_gravity_f = itemJson.getFloat("obj_gravity_f");
        item.obj_sound_events.putAll(CacheParserUtil.readStringValueMap(itemJson.getJSONArray("obj_sound_events"), "sound_type", "sound_event"));
        item.obj_arc_hardpoint_list = itemJson.getJSONArray("obj_arc_hardpoint_list");
        item.obj_sparse_data.putAll(CacheParserUtil.readSparseData(itemJson.getJSONObject("obj_sparse_data")));
        item.obj_render_object_low_detail = itemJson.getInt("obj_render_object_low_detail");
        item.obj_default_alignment = CacheParserUtil.readVector3(itemJson.getJSONArray("obj_default_alignment"));
        item.obj_sound_table = CacheParserUtil.readHashLabel(itemJson, "obj_sound_table", templateId);

        // combat_

        item.combat_health_current = itemJson.getFloat("combat_health_current");
        item.combat_health_full = itemJson.getFloat("combat_health_full");
        item.combat_attack_resist.putAll(CacheParserUtil.readEnumFloatMap(mbEnums.DamageType.class, itemJson.getJSONObject("combat_attack_resist"),
                templateId, "combat_attack_resist"));
        item.combat_powers = itemJson.getJSONArray("combat_powers");

        // item_

        item.item_type = CacheParserUtil.readEnum(mbEnums.ItemType.class, itemJson.getString("item_type"), templateId, "item_type");
        item.item_eq_slots_value = itemJson.getInt("item_eq_slots_value");
        item.item_eq_slots_type = itemJson.getBoolean("item_eq_slots_type");

        // The exporter writes ["NONE"] for an empty slot mask

        item.item_eq_slots_or.addAll(CacheParserUtil.readEnumSet(mbEnums.EquipSlotType.class, itemJson.getJSONArray("item_eq_slots_or"), templateId, "item_eq_slots_or"));
        item.item_eq_slots_or.remove(mbEnums.EquipSlotType.NONE);
        item.item_eq_slots_and.addAll(CacheParserUtil.readEnumSet(mbEnums.EquipSlotType.class, itemJson.getJSONArray("item_eq_slots_and"), templateId, "item_eq_slots_and"));
        item.item_eq_slots_and.remove(mbEnums.EquipSlotType.NONE);

        item.item_takeable = itemJson.getBoolean("item_takeable");
        item.item_value = itemJson.getInt("item_value");
        item.item_wt = itemJson.getInt("item_wt");
        item.item_passive_defense_mod = itemJson.getFloat("item_passive_defense_mod");
        item.item_base_name = itemJson.getString("item_base_name");
        item.item_dsc = itemJson.getString("item_dsc");
        item.item_render_object_female = itemJson.getInt("item_render_object_female");
        item.item_health_full = itemJson.getFloat("item_health_full");
        item.item_skill_used = CacheParserUtil.readHashLabel(itemJson, "item_skill_used", templateId);
        item.item_skill_mastery_used = CacheParserUtil.readHashLabel(itemJson, "item_skill_mastery_used", templateId);
        item.item_parry_anim_id = itemJson.getInt("item_parry_anim_id");
        item.item_offering_info.putAll(CacheParserUtil.readEnumValueMap(mbEnums.ShrineType.class, itemJson.getJSONArray("item_offering_info"),
                "offering_type", "offering_value", templateId, "item_offering_info"));

        // The client reads these blocks by item type, not by key presence

        if (item.item_type == mbEnums.ItemType.WEAPON) {
            item.item_weapon = parseWeapon(templateId, itemJson.getJSONObject("item_weapon"));
            item.item_primary_attr = CacheParserUtil.readEnum(mbEnums.AttributeType.class, itemJson.getString("item_primary_attr"), templateId, "item_primary_attr");
            item.item_secondary_attr = CacheParserUtil.readEnum(mbEnums.AttributeType.class, itemJson.getString("item_secondary_attr"), templateId, "item_secondary_attr");
        }

        if (item.item_type == mbEnums.ItemType.ARMOR) {
            item.item_bulk_factor = itemJson.getFloat("item_bulk_factor");
            item.item_defense_rating = itemJson.getInt("item_defense_rating");
        }

        // "None" is bit 0 in the client's flag tables, not a real flag

        itemFlags = itemJson.getJSONArray("item_flags");

        for (int i = 0; i < itemFlags.length(); i++) {
            flag = itemFlags.getString(i);

            if (flag.equals("None"))
                continue;

            item.item_flags.add(CacheParserUtil.readEnum(mbEnums.ItemFlags.class, flag, templateId, "item_flags"));
        }

        useFlags = itemJson.getJSONArray("item_use_flags");

        for (int i = 0; i < useFlags.length(); i++) {
            flag = useFlags.getString(i);

            if (flag.equals("NONE"))
                continue;

            item.item_use_flags.add(CacheParserUtil.readEnum(mbEnums.ItemUseFlags.class, flag, templateId, "item_use_flags"));
        }

        item.item_post_item_id = itemJson.getInt("item_post_item_id");
        item.item_initial_charges = itemJson.getInt("item_initial_charges");
        item.item_book_arcana = itemJson.getInt("item_book_arcana");
        item.item_skill_req.putAll(CacheParserUtil.readStringValueMap(itemJson.getJSONArray("item_skill_req"), "skill_type", "skill_level"));

        raceReq = itemJson.getJSONObject("item_race_req");
        item.item_race_req_restrict = raceReq.getBoolean("restrict");
        item.item_race_req.addAll(CacheParserUtil.readEnumSet(mbEnums.MonsterType.class, raceReq.getJSONArray("races"), templateId, "item_race_req"));

        classReq = itemJson.getJSONObject("item_class_req");
        item.item_class_req_restrict = classReq.getBoolean("restrict");
        item.item_class_req.addAll(CacheParserUtil.readEnumSet(mbEnums.ClassType.class, classReq.getJSONArray("classes"), templateId, "item_class_req"));

        discReq = itemJson.getJSONObject("item_disc_req");
        item.item_disc_req_restrict = discReq.getBoolean("restrict");
        item.item_disc_req.addAll(CacheParserUtil.readEnumSet(mbEnums.DisciplineType.class, discReq.getJSONArray("discs"), templateId, "item_disc_req"));

        item.item_attr_req.putAll(CacheParserUtil.readEnumValueMap(mbEnums.AttributeType.class, itemJson.getJSONArray("item_attr_req"),
                "attr_type", "attr_value", templateId, "item_attr_req"));
        item.item_level_req = itemJson.getInt("item_level_req");
        item.item_rank_req = itemJson.getInt("item_rank_req");
        item.item_sex_req = CacheParserUtil.readEnum(mbEnums.SexType.class, itemJson.getString("item_sex_req"), templateId, "item_sex_req");
        item.item_user_power_action.addAll(CacheParserUtil.readUserPowerActions(itemJson.getJSONArray("item_user_power_action")));
        item.item_power_grant.addAll(CacheParserUtil.readPowerGrants(itemJson.getJSONArray("item_power_grant"), templateId));
        item.item_power_action.putAll(CacheParserUtil.readPowerActions(itemJson.getJSONArray("item_power_action")));

        item.item_sheathable = itemJson.getBoolean("item_sheathable");

        if (item.item_sheathable) {
            item.item_sheath_slot = CacheParserUtil.readEnum(mbEnums.SheathSlot.class, itemJson.getString("item_sheath_slot"), templateId, "item_sheath_slot");
            item.item_sheath_offset = CacheParserUtil.readVector3(itemJson.getJSONArray("item_sheath_offset"));
            item.item_sheath_rotation = CacheParserUtil.readVector3(itemJson.getJSONArray("item_sheath_rotation"));
        }

        stubJson = itemJson.get("item_has_stub");

        if (stubJson instanceof JSONArray) {
            stubHolder = (JSONArray) stubJson;
            item.item_has_stub = true;
            item.item_stub_flag = stubHolder.getBoolean(0);
            item.item_stub_id = stubHolder.getInt(1);
        } else {
            item.item_has_stub = itemJson.getBoolean("item_has_stub");
        }

        item.item_offering_adjustments.putAll(CacheParserUtil.readEnumValueMap(mbEnums.ShrineType.class, itemJson.getJSONArray("item_offering_adjustments"),
                "offering_type", "offering_value", templateId, "item_offering_adjustments"));
        item.item_resource_costs.putAll(CacheParserUtil.readEnumValueMap(mbEnums.ResourceType.class, itemJson.getJSONArray("item_resource_costs"),
                "resource_type", "resource_value", templateId, "item_resource_costs"));
        item.item_bane_rank = itemJson.getInt("item_bane_rank");
        item.item_ignore_saved_actions = itemJson.getBoolean("item_ignore_saved_actions");

        return item;
    }

    private static ItemTemplate.Weapon parseWeapon(int templateId, JSONObject weaponJson) {

        ItemTemplate.Weapon weapon = new ItemTemplate.Weapon();
        JSONArray damageJson;
        JSONObject damageEntry;
        ItemTemplate.Damage damage;

        weapon.weapon_wepspeed = weaponJson.getFloat("weapon_wepspeed");
        weapon.weapon_max_range = weaponJson.getFloat("weapon_max_range");
        weapon.weapon_projectile_id = weaponJson.getInt("weapon_projectile_id");
        weapon.weapon_projectile_speed = weaponJson.getFloat("weapon_projectile_speed");
        weapon.weapon_combat_idle_anim = weaponJson.getInt("weapon_combat_idle_anim");

        damageJson = weaponJson.getJSONArray("weapon_damage");

        for (int i = 0; i < damageJson.length(); i++) {
            damageEntry = damageJson.getJSONObject(i);
            damage = new ItemTemplate.Damage();

            damage.damage_type = CacheParserUtil.readEnum(mbEnums.DamageType.class, damageEntry.getString("damage_type"), templateId, "weapon_damage");
            damage.damage_min = damageEntry.getInt("damage_min");
            damage.damage_max = damageEntry.getInt("damage_max");

            weapon.weapon_damage.add(damage);
        }

        weapon.weapon_attack_anim_right.addAll(CacheParserUtil.readIntArrays(weaponJson.getJSONArray("weapon_attack_anim_right")));
        weapon.weapon_attack_anim_left.addAll(CacheParserUtil.readIntArrays(weaponJson.getJSONArray("weapon_attack_anim_left")));

        return weapon;
    }
}