import { ILocation } from "@spt/models/eft/common/ILocation";
import { ConfigTypes } from "@spt/models/enums/ConfigTypes";
import { Traders } from "@spt/models/enums/Traders";
import { Weapons } from "@spt/models/enums/Weapons";
import { IBotConfig } from "@spt/models/spt/config/IBotConfig";
import { ICoreConfig } from "@spt/models/spt/config/ICoreConfig";
import { IHideoutConfig } from "@spt/models/spt/config/IHideoutConfig";
import { ILocationConfig } from "@spt/models/spt/config/ILocationConfig";
import { ILootConfig } from "@spt/models/spt/config/ILootConfig";
import { IPmcConfig } from "@spt/models/spt/config/IPmcConfig";
import { IRagfairConfig } from "@spt/models/spt/config/IRagfairConfig";
import { ILogger } from "@spt/models/spt/utils/ILogger";
import { ConfigServer } from "@spt/servers/ConfigServer";
import { CustomLocationWaveService } from "@spt/services/CustomLocationWaveService";
import { DatabaseService } from "@spt/services/DatabaseService";
import { ItemBaseClassService } from "@spt/services/ItemBaseClassService";
import { LocalisationService } from "@spt/services/LocalisationService";
import { OpenZoneService } from "@spt/services/OpenZoneService";
import { SeasonalEventService } from "@spt/services/SeasonalEventService";
import { ICloner } from "@spt/utils/cloners/ICloner";
import { inject, injectable } from "tsyringe";

@injectable()
export class PostDbLoadService {
    protected coreConfig: ICoreConfig;
    protected locationConfig: ILocationConfig;
    protected ragfairConfig: IRagfairConfig;
    protected hideoutConfig: IHideoutConfig;
    protected pmcConfig: IPmcConfig;
    protected lootConfig: ILootConfig;
    protected botConfig: IBotConfig;

    constructor(
        @inject("PrimaryLogger") protected logger: ILogger,
        @inject("DatabaseService") protected databaseService: DatabaseService,
        @inject("LocalisationService") protected localisationService: LocalisationService,
        @inject("CustomLocationWaveService") protected customLocationWaveService: CustomLocationWaveService,
        @inject("OpenZoneService") protected openZoneService: OpenZoneService,
        @inject("SeasonalEventService") protected seasonalEventService: SeasonalEventService,
        @inject("ItemBaseClassService") protected itemBaseClassService: ItemBaseClassService,
        @inject("ConfigServer") protected configServer: ConfigServer,
        @inject("PrimaryCloner") protected cloner: ICloner,
    ) {
        this.coreConfig = this.configServer.getConfig(ConfigTypes.CORE);
        this.locationConfig = this.configServer.getConfig(ConfigTypes.LOCATION);
        this.ragfairConfig = this.configServer.getConfig(ConfigTypes.RAGFAIR);
        this.hideoutConfig = this.configServer.getConfig(ConfigTypes.HIDEOUT);
        this.pmcConfig = this.configServer.getConfig(ConfigTypes.PMC);
        this.lootConfig = this.configServer.getConfig(ConfigTypes.LOOT);
        this.botConfig = this.configServer.getConfig(ConfigTypes.BOT);
    }

    public performPostDbLoadActions(): void {
        // Regenerate base cache now mods are loaded and game is starting
        // Mods that add items and use the baseClass service generate the cache including their items, the next mod that
        // add items gets left out,causing warnings
        this.itemBaseClassService.hydrateItemBaseClassCache();

        this.addCustomLooseLootPositions();

        if (this.coreConfig.fixes.fixShotgunDispersion) {
            this.fixShotgunDispersions();
        }

        if (this.locationConfig.addOpenZonesToAllMaps) {
            this.openZoneService.applyZoneChangesToAllMaps();
        }

        if (this.locationConfig.addCustomBotWavesToMaps) {
            this.customLocationWaveService.applyWaveChangesToAllMaps();
        }

        if (this.locationConfig.enableBotTypeLimits) {
            this.adjustMapBotLimits();
        }

        this.adjustLooseLootSpawnProbabilities();

        this.checkTraderRepairValuesExist();

        this.adjustLocationBotValues();

        if (this.locationConfig.rogueLighthouseSpawnTimeSettings.enabled) {
            this.fixRoguesSpawningInstantlyOnLighthouse();
        }

        if (this.locationConfig.splitWaveIntoSingleSpawnsSettings.enabled) {
            this.splitBotWavesIntoSingleWaves();
        }

        this.adjustLabsRaiderSpawnRate();

        this.adjustHideoutCraftTimes(this.hideoutConfig.overrideCraftTimeSeconds);
        this.adjustHideoutBuildTimes(this.hideoutConfig.overrideBuildTimeSeconds);

        this.removePraporTestMessage();

        this.validateQuestAssortUnlocksExist();

        if (this.seasonalEventService.isAutomaticEventDetectionEnabled()) {
            this.seasonalEventService.enableSeasonalEvents();
        }

        // Flea bsg blacklist is off
        if (!this.ragfairConfig.dynamic.blacklist.enableBsgList) {
            this.setAllDbItemsAsSellableOnFlea();
        }
    }

    protected addCustomLooseLootPositions(): void {
        const looseLootPositionsToAdd = this.lootConfig.looseLoot;
        for (const [mapId, positionsToAdd] of Object.entries(looseLootPositionsToAdd)) {
            if (!mapId) {
                this.logger.warning(
                    this.localisationService.getText("location-unable_to_add_custom_loot_position", mapId),
                );

                continue;
            }

            const mapLooseLoot = this.databaseService.getLocation(mapId).looseLoot;
            if (!mapLooseLoot) {
                this.logger.warning(this.localisationService.getText("location-map_has_no_loose_loot_data", mapId));

                continue;
            }

            for (const positionToAdd of positionsToAdd) {
                // Exists already, add new items to existing positions pool
                const existingLootPosition = mapLooseLoot.spawnpoints.find(
                    (x) => x.template.Id === positionToAdd.template.Id,
                );

                if (existingLootPosition) {
                    existingLootPosition.template.Items.push(...positionToAdd.template.Items);
                    existingLootPosition.itemDistribution.push(...positionToAdd.itemDistribution);

                    continue;
                }

                // New position, add entire object
                mapLooseLoot.spawnpoints.push(positionToAdd);
            }
        }
    }

    /**
     * BSG have two values for shotgun dispersion, we make sure both have the same value
     */
    protected fixShotgunDispersions(): void {
        const itemDb = this.databaseService.getItems();

        const shotguns = [Weapons.SHOTGUN_12G_SAIGA_12K, Weapons.SHOTGUN_20G_TOZ_106, Weapons.SHOTGUN_12G_M870];
        for (const shotgunId of shotguns) {
            if (itemDb[shotgunId]._props.ShotgunDispersion) {
                itemDb[shotgunId]._props.shotgunDispersion = itemDb[shotgunId]._props.ShotgunDispersion;
            }
        }
    }

    /** Apply custom limits on bot types as defined in configs/location.json/botTypeLimits */
    protected adjustMapBotLimits(): void {
        const mapsDb = this.databaseService.getLocations();
        if (!this.locationConfig.botTypeLimits) {
            return;
        }

        for (const mapId in this.locationConfig.botTypeLimits) {
            const map: ILocation = mapsDb[mapId];
            if (!map) {
                this.logger.warning(
                    this.localisationService.getText("bot-unable_to_edit_limits_of_unknown_map", mapId),
                );
            }

            for (const botToLimit of this.locationConfig.botTypeLimits[mapId]) {
                const index = map.base.MinMaxBots.findIndex((x) => x.WildSpawnType === botToLimit.type);
                if (index !== -1) {
                    // Existing bot type found in MinMaxBots array, edit
                    const limitObjectToUpdate = map.base.MinMaxBots[index];
                    limitObjectToUpdate.min = botToLimit.min;
                    limitObjectToUpdate.max = botToLimit.max;
                } else {
                    // Bot type not found, add new object
                    map.base.MinMaxBots.push({
                        // Bot type not found, add new object
                        WildSpawnType: botToLimit.type,
                        min: botToLimit.min,
                        max: botToLimit.max,
                    });
                }
            }
        }
    }

    protected adjustLooseLootSpawnProbabilities(): void {
        if (!this.lootConfig.looseLootSpawnPointAdjustments) {
            return;
        }

        for (const [mapId, mapAdjustments] of Object.entries(this.lootConfig.looseLootSpawnPointAdjustments)) {
            const mapLooseLootData = this.databaseService.getLocation(mapId).looseLoot;
            if (!mapLooseLootData) {
                this.logger.warning(this.localisationService.getText("location-map_has_no_loose_loot_data", mapId));

                continue;
            }

            for (const [lootKey, newChanceValue] of Object.entries(mapAdjustments)) {
                const lootPostionToAdjust = mapLooseLootData.spawnpoints.find(
                    (spawnPoint) => spawnPoint.template.Id === lootKey,
                );
                if (!lootPostionToAdjust) {
                    this.logger.warning(
                        this.localisationService.getText("location-unable_to_adjust_loot_position_on_map", {
                            lootKey: lootKey,
                            mapId: mapId,
                        }),
                    );

                    continue;
                }

                lootPostionToAdjust.probability = newChanceValue;
            }
        }
    }

    /**
     * Out of date/incorrectly made trader mods forget this data
     */
    protected checkTraderRepairValuesExist(): void {
        const traders = this.databaseService.getTraders();
        for (const trader of Object.values(traders)) {
            if (!trader?.base?.repair) {
                this.logger.warning(
                    this.localisationService.getText("trader-missing_repair_property_using_default", {
                        traderId: trader.base._id,
                        nickname: trader.base.nickname,
                    }),
                );

                // use ragfair trader as a default
                trader.base.repair = this.cloner.clone(traders.ragfair.base.repair);

                return;
            }

            if (trader.base.repair?.quality === undefined) {
                this.logger.warning(
                    this.localisationService.getText("trader-missing_repair_quality_property_using_default", {
                        traderId: trader.base._id,
                        nickname: trader.base.nickname,
                    }),
                );

                // use ragfair trader as a default
                trader.base.repair.quality = this.cloner.clone(traders.ragfair.base.repair.quality);
                trader.base.repair.quality = traders.ragfair.base.repair.quality;
            }
        }
    }

    protected adjustLocationBotValues(): void {
        const mapsDb = this.databaseService.getLocations();

        for (const locationKey in this.botConfig.maxBotCap) {
            const map: ILocation = mapsDb[locationKey];
            if (!map) {
                continue;
            }

            map.base.BotMaxPvE = this.botConfig.maxBotCap[locationKey];

            // make values no larger than 30 secs
            map.base.BotStart = Math.min(map.base.BotStart, 30);
        }
    }

    /**
     * Make Rogues spawn later to allow for scavs to spawn first instead of rogues filling up all spawn positions
     */
    protected fixRoguesSpawningInstantlyOnLighthouse(): void {
        const rogueSpawnDelaySeconds = this.locationConfig.rogueLighthouseSpawnTimeSettings.waitTimeSeconds;
        const lighthouse = this.databaseService.getLocations().lighthouse?.base;
        if (!lighthouse) {
            return;
        }

        // Find Rogues that spawn instantly
        const instantRogueBossSpawns = lighthouse.BossLocationSpawn.filter(
            (spawn) => spawn.BossName === "exUsec" && spawn.Time === -1,
        );
        for (const wave of instantRogueBossSpawns) {
            wave.Time = rogueSpawnDelaySeconds;
        }
    }

    /**
     * Find and split waves with large numbers of bots into smaller waves - BSG appears to reduce the size of these
     * waves to one bot when they're waiting to spawn for too long
     */
    protected splitBotWavesIntoSingleWaves(): void {
        const locations = this.databaseService.getLocations();
        for (const locationKey in locations) {
            if (this.locationConfig.splitWaveIntoSingleSpawnsSettings.ignoreMaps.includes(locationKey)) {
                continue;
            }

            // Iterate over all maps
            const location: ILocation = locations[locationKey];
            for (const wave of location.base.waves) {
                // Wave has size that makes it candidate for splitting
                if (
                    wave.slots_max - wave.slots_min >=
                    this.locationConfig.splitWaveIntoSingleSpawnsSettings.waveSizeThreshold
                ) {
                    // Get count of bots to be spawned in wave
                    const waveSize = wave.slots_max - wave.slots_min;

                    // Update wave to spawn single bot
                    wave.slots_min = 1;
                    wave.slots_max = 2;

                    // Get index of wave
                    const indexOfWaveToSplit = location.base.waves.indexOf(wave);
                    this.logger.debug(
                        `Splitting map: ${location.base.Id} wave: ${indexOfWaveToSplit} with ${waveSize} bots`,
                    );

                    // Add new waves to fill gap from bots we removed in above wave
                    let wavesAddedCount = 0;
                    for (let index = indexOfWaveToSplit + 1; index < indexOfWaveToSplit + waveSize; index++) {
                        // Clone wave ready to insert into array
                        const waveToAddClone = this.cloner.clone(wave);

                        // Some waves have value of 0 for some reason, preserve
                        if (waveToAddClone.number !== 0) {
                            // Update wave number to new location in array
                            waveToAddClone.number = index;
                        }

                        // Place wave into array in just-edited position + 1
                        location.base.waves.splice(index, 0, waveToAddClone);
                        wavesAddedCount++;
                    }

                    // Update subsequent wave number property to accommodate the new waves
                    for (
                        let index = indexOfWaveToSplit + wavesAddedCount + 1;
                        index < location.base.waves.length;
                        index++
                    ) {
                        // Some waves have value of 0, leave them as-is
                        if (location.base.waves[index].number !== 0) {
                            location.base.waves[index].number += wavesAddedCount;
                        }
                    }
                }
            }
        }
    }

    /**
     * Make non-trigger-spawned raiders spawn earlier + always
     */
    protected adjustLabsRaiderSpawnRate(): void {
        const labsBase = this.databaseService.getLocations().laboratory.base;

        // Find spawns with empty string for triggerId/TriggerName
        const nonTriggerLabsBossSpawns = labsBase.BossLocationSpawn.filter(
            (bossSpawn) => !bossSpawn.TriggerId && !bossSpawn.TriggerName,
        );

        for (const boss of nonTriggerLabsBossSpawns) {
            boss.BossChance = 100;
            boss.Time /= 10;
        }
    }

    protected adjustHideoutCraftTimes(overrideSeconds: number): void {
        if (overrideSeconds === -1) {
            return;
        }

        for (const craft of this.databaseService.getHideout().production.recipes) {
            // Only adjust crafts ABOVE the override
            craft.productionTime = Math.min(craft.productionTime, overrideSeconds);
        }
    }

    /**
     * Adjust all hideout craft times to be no higher than the override
     */
    protected adjustHideoutBuildTimes(overrideSeconds: number): void {
        if (overrideSeconds === -1) {
            return;
        }

        for (const area of this.databaseService.getHideout().areas) {
            for (const stage of Object.values(area.stages)) {
                // Only adjust crafts ABOVE the override
                stage.constructionTime = Math.min(stage.constructionTime, overrideSeconds);
            }
        }
    }

    /**
     * Blank out the "test" mail message from prapor
     */
    protected removePraporTestMessage(): void {
        // Iterate over all languages (e.g. "en", "fr")
        const locales = this.databaseService.getLocales();
        for (const localeKey in locales.global) {
            locales.global[localeKey]["61687e2c3e526901fa76baf9"] = "";
        }
    }

    /**
     * Check for any missing assorts inside each traders assort.json data, checking against traders questassort.json
     */
    protected validateQuestAssortUnlocksExist(): void {
        const db = this.databaseService.getTables();
        const traders = db.traders;
        const quests = db.templates.quests;
        for (const traderId of Object.values(Traders)) {
            const traderData = traders[traderId];
            const traderAssorts = traderData?.assort;
            if (!traderAssorts) {
                continue;
            }

            // Merge started/success/fail quest assorts into one dictionary
            const mergedQuestAssorts = {
                ...traderData.questassort?.started,
                ...traderData.questassort?.success,
                ...traderData.questassort?.fail,
            };

            // Loop over all assorts for trader
            for (const [assortKey, questKey] of Object.entries(mergedQuestAssorts)) {
                // Does assort key exist in trader assort file
                if (!traderAssorts.loyal_level_items[assortKey]) {
                    // Reverse lookup of enum key by value
                    const messageValues = {
                        traderName: Object.keys(Traders)[Object.values(Traders).indexOf(traderId)],
                        questName: quests[questKey]?.QuestName ?? "UNKNOWN",
                    };
                    this.logger.warning(
                        this.localisationService.getText("assort-missing_quest_assort_unlock", messageValues),
                    );
                }
            }
        }
    }

    protected setAllDbItemsAsSellableOnFlea(): void {
        const dbItems = Object.values(this.databaseService.getItems());
        for (const item of dbItems) {
            if (
                item._type === "Item" &&
                !item._props?.CanSellOnRagfair &&
                !this.ragfairConfig.dynamic.blacklist.custom.includes(item._id)
            ) {
                item._props.CanSellOnRagfair = true;
            }
        }
    }
}