import type { CharacterProfile } from "../app/types";
import {
  abilitiesForCharacter, abilityTalentNodeId, defaultActionBarForCharacter, learnedAbilityForBuild, resourceProfileForClass,
  type AbilityDefinition, type ClassResourceProfile,
} from "./abilityCatalog";
import { normalizeActionBindings } from "./actionBindings";
import type { ArenaCharacterKit } from "./arenaTypes";
import { deriveCharacterStats } from "./wotlkStats";
import { activeEquipmentStatsForClass, PLAYER_EQUIPMENT_OWNER_ID } from "./equipment";

export function arenaCharacterAbilities(character: CharacterProfile, level = character.level): readonly AbilityDefinition[] {
  return abilitiesForCharacter(character.classId, character.secondaryClassId)
    .filter((ability) => !ability.passive)
    .map((ability) => learnedAbilityForBuild(ability, level, character.talentRanks))
    .filter((ability): ability is AbilityDefinition => ability !== null);
}

export function arenaAbilityIsLearned(ability: AbilityDefinition, character: CharacterProfile, level = character.level): boolean {
  return ability.unlockLevel <= level && (!abilityTalentNodeId(ability)
    || learnedAbilityForBuild(ability, level, character.talentRanks) !== null);
}

export function createArenaCharacterKit(character: CharacterProfile, level = character.level): ArenaCharacterKit {
  const stats = deriveCharacterStats(
    character.classId,
    level,
    activeEquipmentStatsForClass(character.equipment, character.inventory, PLAYER_EQUIPMENT_OWNER_ID, character.classId),
    character.raceId,
    {},
    character.secondaryClassId,
    character.gender,
    character.statRuleset ?? "wow",
  );
  const profile = resourceProfileForClass(character.classId);
  const resource = profile.type === "mana" ? { ...profile, maximum: stats.mana, initial: stats.mana, regenerationPerSecond: stats.mana * 0.004 } : profile;
  const abilities = arenaCharacterAbilities(character, level).filter((ability) => arenaAbilityIsLearned(ability, character, level));
  const all = abilitiesForCharacter(character.classId, character.secondaryClassId);
  const actionBindings = normalizeActionBindings(character.actionBindings, [
    ...defaultActionBarForCharacter(character.classId, character.secondaryClassId, level),
    ...all.filter((ability) => abilityTalentNodeId(ability) && !ability.passive).map((ability) => ability.id),
  ]);
  return {
    seed: { ...character, level, settings: { ...character.settings, autoTargetNearest: false } },
    classId: character.classId,
    level,
    resource: resource as ClassResourceProfile,
    stats: { health: stats.health, spellPower: stats.spellPower },
    abilities: Object.fromEntries(abilities.map((ability) => [ability.id, ability])),
    actionBindings,
  };
}