import { VNScene } from "./vnscene.ts";
import { getPlayerProgress } from "./playerprogress.ts";
import { getSkills } from "./skills.ts";
import { Ending, SCORING_CATEGORIES, ScoringCategory } from "./datatypes.ts";
import {
  sceneBat,
  sceneCharm,
  sceneLore,
  sceneParty,
  sceneStare,
  sceneStealth,
} from "./endings.ts";
import { generateWishes, getWishes, isWishCompleted } from "./wishes.ts";
import { generateSuccessors } from "./successors.ts";

class Scorer {
  constructor() {}

  pickEnding(): Ending {
    let learnedSkills = getPlayerProgress().getLearnedSkills();
    let scores: Record<string, number> = {};

    let itemsPurloined = getPlayerProgress().getItemsPurloined();
    let vampiricSkills = 0;
    let mortalServants = itemsPurloined / 10;

    for (const skill of learnedSkills.values()) {
      let data = getSkills().get(skill);
      for (let [category, number] of Object.entries(data.governing.scoring)) {
        scores[category] = (scores[category] ?? 0) + number;
      }
      mortalServants += data.governing.mortalServantValue;
      vampiricSkills += 1;
    }

    mortalServants = Math.max(Math.floor(mortalServants), 0);

    // NOTE: This approach isn't efficient but it's easy to understand
    // and it allows me to arbitrate ties however I want
    let runningScores: Record<string, number> = { ...scores };
    const isMax = (cat: ScoringCategory, min: number) => {
      let score = runningScores[cat] ?? 0;
      runningScores[cat] = 0; // each category, once checked, can't disqualify any other category

      if (score < min) {
        return false;
      }
      for (let cat of SCORING_CATEGORIES.values()) {
        if (runningScores[cat] > score) {
          return false;
        }
      }
      return true;
    };

    let scene: VNScene;
    let rank: string;
    let domicile: string;
    let reignSentence: string;
    let penance: boolean = false;
    let successorVerb: string = "Appoint a Successor";

    // Let the player
    let wish = getPlayerProgress().getWish();
    if (wish != null) {
      let data = getWishes().get(wish);
      if (isWishCompleted(wish)) {
        scene = data.onVictory;
        rank = data.profile.name;
        domicile = data.profile.domicile;
        reignSentence = data.profile.reignSentence;
      } else {
        scene = data.onFailure;
        rank = data.profile.failureName;
        domicile = data.profile.failureDomicile;
        reignSentence = data.profile.failureReignSentence;
        penance = true;
        successorVerb = data.profile.failureSuccessorVerb;
      }
    }
    // TODO: Award different ranks depending on second-to-top skill
    // TODO: Award different domiciles based on overall score
    // TODO: Force the rank to match the wish if one existed
    else if (isMax("stare", 3)) {
      scene = sceneStare;
      rank = "Hypno-Chiropteran";
      domicile = "Village of Brainwashed Mortals";
      reignSentence = "You rule with a fair but unflinching gaze.";
    } else if (isMax("lore", 3)) {
      scene = sceneLore;
      rank = "Loremaster";
      domicile = "Vineyard";
      reignSentence = "You're well on the path to ultimate knowledge.";
    } else if (isMax("charm", 2)) {
      scene = sceneCharm;
      rank = "Seducer";
      domicile = "Guest House";
      reignSentence = "You get to sink your fangs into anyone you want.";
    } else if (isMax("party", 1)) {
      scene = sceneParty;
      rank = "Party Animal";
      domicile = "Nightclub";
      reignSentence = "Everyone thinks you're too cool to disobey.";
    } else if (isMax("stealth", 0)) {
      scene = sceneStealth;
      rank = "Invisible";
      domicile = "Townhouse";
      reignSentence = "People don't see you but they do most of what you want.";
    }
    // if (isMax("bat")) {
    else {
      scene = sceneBat;
      rank = "Bat";
      domicile = "Cave";
      reignSentence =
        "Your skreeking verdicts are irresistible to your subjects.";
    }

    // TODO: Analytics tracker
    let analytics = {
      itemsPurloined,
      vampiricSkills,
      mortalServants,
    };
    let successorOptions = generateSuccessors(0, penance); // TODO: generate nImprovements from mortalServants and the player's bsae improvements
    let wishOptions = generateWishes(penance);

    let progenerateVerb = penance ? "Repent" : "Progenerate";

    return {
      scene,
      personal: {
        rank,
        domicile,
        reignSentence,
        successorVerb,
        progenerateVerb,
      },
      analytics,
      successorOptions,
      wishOptions,
    };
  }
}

let active = new Scorer();
export function getScorer(): Scorer {
  return active;
}