import type { AbilityDefinition } from "./abilityCatalog";

const ELECTROSTATIC_CHARGE_EXPERTISE_SPELL_ID = 498_871;
const ELECTROSTATIC_CHARGE_SPELL_ID = 491_156;

/** Mage/Champion's level-45 passive shortens Electrostatic Charge by 30 seconds. */
export function romMageCooldownReductionMs(
  classId: string | null,
  secondaryClassId: string | null | undefined,
  ability: Pick<AbilityDefinition, "dbcSpellId">,
  level: number,
  abilities: readonly Pick<AbilityDefinition, "dbcSpellId" | "unlockLevel" | "passive">[],
): number {
  if (classId !== "rom-mage"
    || secondaryClassId !== "rom-champion"
    || ability.dbcSpellId !== ELECTROSTATIC_CHARGE_SPELL_ID
    || level < 45) return 0;

  return abilities.some((candidate) => candidate.passive
    && candidate.dbcSpellId === ELECTROSTATIC_CHARGE_EXPERTISE_SPELL_ID
    && candidate.unlockLevel <= level)
    ? 30_000
    : 0;
}