import { GangMemberTask } from "./GangMemberTask";
import { GangMemberTasks } from "./GangMemberTasks";
import { GangMemberUpgrade } from "./GangMemberUpgrade";
import { GangMemberUpgrades } from "./GangMemberUpgrades";
import { IAscensionResult } from "./IAscensionResult";
import { IPlayer } from "../PersonObjects/IPlayer";
import { AllGangs } from "./AllGangs";
import { IGang } from "./IGang";
import { Generic_fromJSON, Generic_toJSON, Reviver } from "../../utils/JSONReviver";

interface IMults {
    hack: number;
    str: number;
    def: number;
    dex: number;
    agi: number;
    cha: number;
}

export class GangMember {
    name: string;
    task = "Unassigned";

    earnedRespect = 0;

    hack = 1;
    str = 1;
    def = 1;
    dex = 1;
    agi = 1;
    cha = 1;

    hack_exp = 0;
    str_exp = 0;
    def_exp = 0;
    dex_exp = 0;
    agi_exp = 0;
    cha_exp = 0;

    hack_mult = 1;
    str_mult = 1;
    def_mult = 1;
    dex_mult = 1;
    agi_mult = 1;
    cha_mult = 1;

    hack_asc_points = 0;
    str_asc_points = 0;
    def_asc_points = 0;
    dex_asc_points = 0;
    agi_asc_points = 0;
    cha_asc_points = 0;

    upgrades: string[] = []; // Names of upgrades
    augmentations: string[] = []; // Names of augmentations only

    constructor(name = "") {
        this.name   = name;
    }

    calculateSkill(exp: number, mult = 1): number {
        return Math.max(Math.floor(mult * (32 * Math.log(exp + 534.5) - 200)), 1);
    }

    calculateAscensionMult(points: number): number {
        return Math.max(Math.pow(points/4000, 0.7), 1);
    }

    updateSkillLevels(): void {
        this.hack   = this.calculateSkill(this.hack_exp, this.hack_mult * this.calculateAscensionMult(this.hack_asc_points));
        this.str    = this.calculateSkill(this.str_exp, this.str_mult * this.calculateAscensionMult(this.str_asc_points));
        this.def    = this.calculateSkill(this.def_exp, this.def_mult * this.calculateAscensionMult(this.def_asc_points));
        this.dex    = this.calculateSkill(this.dex_exp, this.dex_mult * this.calculateAscensionMult(this.dex_asc_points));
        this.agi    = this.calculateSkill(this.agi_exp, this.agi_mult * this.calculateAscensionMult(this.agi_asc_points));
        this.cha    = this.calculateSkill(this.cha_exp, this.cha_mult * this.calculateAscensionMult(this.cha_asc_points));
    }

    calculatePower(): number {
        return (this.hack +
                this.str +
                this.def +
                this.dex +
                this.agi +
                this.cha) / 95;
    }

    assignToTask(taskName: string): boolean {
        if (!GangMemberTasks.hasOwnProperty(taskName)) {
            this.task = "Unassigned";
            return false;
        }
        this.task = taskName;
        return true;
    }

    unassignFromTask(): void {
        this.task = "Unassigned";
    }

    getTask(): GangMemberTask {
        // TODO(hydroflame): transfer that to a save file migration function
        // Backwards compatibility
        if ((this.task as any) instanceof GangMemberTask) {
            this.task = (this.task as any).name;
        }

        if (GangMemberTasks.hasOwnProperty(this.task)) {
            return GangMemberTasks[this.task];
        }
        return GangMemberTasks["Unassigned"];
    }

    calculateRespectGain(gang: IGang): number {
        const task = this.getTask();
        if (task.baseRespect === 0) return 0;
        let statWeight = (task.hackWeight/100) * this.hack +
                         (task.strWeight/100) * this.str +
                         (task.defWeight/100) * this.def +
                         (task.dexWeight/100) * this.dex +
                         (task.agiWeight/100) * this.agi +
                         (task.chaWeight/100) * this.cha;
        statWeight -= (4 * task.difficulty);
        if (statWeight <= 0) return 0;
        const territoryMult = Math.max(0.005, Math.pow(AllGangs[gang.facName].territory * 100, task.territory.respect) / 100);
        if (isNaN(territoryMult) || territoryMult <= 0) return 0;
        const respectMult = gang.getWantedPenalty();
        return 11 * task.baseRespect * statWeight * territoryMult * respectMult;
    }

    calculateWantedLevelGain(gang: IGang): number {
        const task = this.getTask();
        if (task.baseWanted === 0) return 0;
        let statWeight = (task.hackWeight / 100) * this.hack +
                         (task.strWeight / 100) * this.str +
                         (task.defWeight / 100) * this.def +
                         (task.dexWeight / 100) * this.dex +
                         (task.agiWeight / 100) * this.agi +
                         (task.chaWeight / 100) * this.cha;
        statWeight -= (3.5 * task.difficulty);
        if (statWeight <= 0) return 0;
        const territoryMult = Math.max(0.005, Math.pow(AllGangs[gang.facName].territory * 100, task.territory.wanted) / 100);
        if (isNaN(territoryMult) || territoryMult <= 0) return 0;
        if (task.baseWanted < 0) {
            return 0.4 * task.baseWanted * statWeight * territoryMult;
        }
        const calc = 7 * task.baseWanted / (Math.pow(3 * statWeight * territoryMult, 0.8));

        // Put an arbitrary cap on this to prevent wanted level from rising too fast if the
        // denominator is very small. Might want to rethink formula later
        return Math.min(100, calc);
    }

    calculateMoneyGain(gang: IGang): number {
        const task = this.getTask();
        if (task.baseMoney === 0) return 0;
        let statWeight =    (task.hackWeight/100) * this.hack +
                            (task.strWeight/100) * this.str +
                            (task.defWeight/100) * this.def +
                            (task.dexWeight/100) * this.dex +
                            (task.agiWeight/100) * this.agi +
                            (task.chaWeight/100) * this.cha;

        statWeight -= (3.2 * task.difficulty);
        if (statWeight <= 0) return 0;
        const territoryMult = Math.max(0.005, Math.pow(AllGangs[gang.facName].territory * 100, task.territory.money) / 100);
        if (isNaN(territoryMult) || territoryMult <= 0) return 0;
        const respectMult = gang.getWantedPenalty();
        return 5 * task.baseMoney * statWeight * territoryMult * respectMult;
    }

    expMult(): IMults {
        return {
            hack: (this.hack_mult-1)/4+1,
            str: (this.str_mult-1)/4+1,
            def: (this.def_mult-1)/4+1,
            dex: (this.dex_mult-1)/4+1,
            agi: (this.agi_mult-1)/4+1,
            cha: (this.cha_mult-1)/4+1,
        };
    }

    gainExperience(numCycles = 1): void {
        const task = this.getTask();
        if (task === GangMemberTasks["Unassigned"]) return;
        const difficultyMult = Math.pow(task.difficulty, 0.9);
        const difficultyPerCycles = difficultyMult * numCycles;
        const weightDivisor = 1500;
        const expMult = this.expMult();
        this.hack_exp   += (task.hackWeight / weightDivisor) * difficultyPerCycles * expMult.hack;
        this.str_exp    += (task.strWeight / weightDivisor) * difficultyPerCycles * expMult.str;
        this.def_exp    += (task.defWeight / weightDivisor) * difficultyPerCycles * expMult.def;
        this.dex_exp    += (task.dexWeight / weightDivisor) * difficultyPerCycles * expMult.dex;
        this.agi_exp    += (task.agiWeight / weightDivisor) * difficultyPerCycles * expMult.agi;
        this.cha_exp    += (task.chaWeight / weightDivisor) * difficultyPerCycles * expMult.cha;
    }

    recordEarnedRespect(numCycles = 1, gang: IGang): void {
        this.earnedRespect += (this.calculateRespectGain(gang) * numCycles);
    }

    getGainedAscensionPoints(): IMults {
        return {
            hack: Math.max(this.hack_exp - 1000, 0),
            str:  Math.max(this.str_exp - 1000, 0),
            def:  Math.max(this.def_exp - 1000, 0),
            dex:  Math.max(this.dex_exp - 1000, 0),
            agi:  Math.max(this.agi_exp - 1000, 0),
            cha:  Math.max(this.cha_exp - 1000, 0),
        }
    }

    canAscend(): boolean {
        const points = this.getGainedAscensionPoints();
        return points.hack > 0 ||
                points.str > 0 ||
                points.def > 0 ||
                points.dex > 0 ||
                points.agi > 0 ||
                points.cha > 0;
    }

    getAscensionResults(): IMults {
        const points = this.getGainedAscensionPoints();
        return {
            hack: this.calculateAscensionMult(this.hack_asc_points+points.hack)/this.calculateAscensionMult(this.hack_asc_points),
            str:  this.calculateAscensionMult(this.str_asc_points+points.str)/this.calculateAscensionMult(this.str_asc_points),
            def:  this.calculateAscensionMult(this.def_asc_points+points.def)/this.calculateAscensionMult(this.def_asc_points),
            dex:  this.calculateAscensionMult(this.dex_asc_points+points.dex)/this.calculateAscensionMult(this.dex_asc_points),
            agi:  this.calculateAscensionMult(this.agi_asc_points+points.agi)/this.calculateAscensionMult(this.agi_asc_points),
            cha:  this.calculateAscensionMult(this.cha_asc_points+points.cha)/this.calculateAscensionMult(this.cha_asc_points),
        }
    }

    ascend(): IAscensionResult {
        const res = this.getAscensionResults();
        const points = this.getGainedAscensionPoints();
        this.hack_asc_points += points.hack;
        this.str_asc_points += points.str;
        this.def_asc_points += points.def;
        this.dex_asc_points += points.dex;
        this.agi_asc_points += points.agi;
        this.cha_asc_points += points.cha;

        // Remove upgrades. Then re-calculate multipliers and stats
        this.upgrades.length = 0;
        this.hack_mult = 1;
        this.str_mult = 1;
        this.def_mult = 1;
        this.dex_mult = 1;
        this.agi_mult = 1;
        this.cha_mult = 1;
        for (let i = 0; i < this.augmentations.length; ++i) {
            const aug = GangMemberUpgrades[this.augmentations[i]];
            this.applyUpgrade(aug);
        }

        // Clear exp and recalculate stats
        this.hack_exp = 0;
        this.str_exp = 0;
        this.def_exp = 0;
        this.dex_exp = 0;
        this.agi_exp = 0;
        this.cha_exp = 0;
        this.updateSkillLevels();

        const respectToDeduct = this.earnedRespect;
        this.earnedRespect = 0;
        return {
            respect: respectToDeduct,
            hack: res.hack,
            str: res.str,
            def: res.def,
            dex: res.dex,
            agi: res.agi,
            cha: res.cha,
        };
    }

    applyUpgrade(upg: GangMemberUpgrade): void {
        if (upg.mults.str != null)  this.str_mult *= upg.mults.str;
        if (upg.mults.def != null)  this.def_mult *= upg.mults.def;
        if (upg.mults.dex != null)  this.dex_mult *= upg.mults.dex;
        if (upg.mults.agi != null)  this.agi_mult *= upg.mults.agi;
        if (upg.mults.cha != null)  this.cha_mult *= upg.mults.cha;
        if (upg.mults.hack != null) this.hack_mult *= upg.mults.hack;
    }

    buyUpgrade(upg: GangMemberUpgrade, player: IPlayer, gang: IGang): boolean {
        // Prevent purchasing of already-owned upgrades
        if (this.augmentations.includes(upg.name) ||
            this.upgrades.includes(upg.name)) return false;

        if (player.money.lt(gang.getUpgradeCost(upg))) return false;
        player.loseMoney(gang.getUpgradeCost(upg));
        if (upg.type === "g") {
            this.augmentations.push(upg.name);
        } else {
            this.upgrades.push(upg.name);
        }
        this.applyUpgrade(upg);
        return true;
    }

    /**
     * Serialize the current object to a JSON save state.
     */
    toJSON(): any {
        return Generic_toJSON("GangMember", this);
    }

    /**
     * Initiatizes a GangMember object from a JSON save state.
     */
    // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
    static fromJSON(value: any): GangMember {
        return Generic_fromJSON(GangMember, value.data);
    }
}

Reviver.constructors.GangMember = GangMember;