export const ROM_ROGUE_MAGE_CHAOS_DAGGER_SPELL_ID = 491178;
export const ROM_ROGUE_MAGE_CHAOS_DAGGER_DAMAGE_COEFFICIENT = 1.694;
export const ROM_ROGUE_MAGE_CHAOS_DAGGER_TAG = "rom-491178-chaos-dagger";
export const ROM_ROGUE_MAGE_CHAOS_DAGGER_DESCRIPTION = "Passive: Each normal attack adds Fire damage equal to 169.4% of the attacking hand's weapon DPS. The CoA page also lists 25 MP while labeling this passive, but does not say whether Mana is spent per attack; no Mana charge is modeled pending clarification. The source describes a slight temporary Physical Attack Power increase without an amount or duration, so that rider is not modeled.";

export type RomRogueChaosDaggerWeaponHand = "main-hand" | "off-hand";

export interface RomRogueChaosDaggerDamageInput {
  readonly classId: string;
  readonly secondaryClassId: string | null | undefined;
  readonly passiveLearned: boolean;
  readonly isAutoAttack: boolean;
  readonly attackLanded: boolean;
  readonly weaponHand: RomRogueChaosDaggerWeaponHand;
  readonly weaponDps: number;
}

export interface RomRogueChaosDaggerDamage {
  readonly amount: number;
  readonly school: "fire";
  readonly weaponHand: RomRogueChaosDaggerWeaponHand;
}

/** Current CoA Chaos Dagger adds 169.4% of the attacking hand's weapon DPS to each landed autoattack. */
export function romRogueChaosDaggerDamage(
  input: RomRogueChaosDaggerDamageInput,
): RomRogueChaosDaggerDamage | null {
  if (input.classId !== "rom-rogue"
    || input.secondaryClassId !== "rom-mage"
    || !input.passiveLearned
    || !input.isAutoAttack
    || !input.attackLanded
    || !Number.isFinite(input.weaponDps)
    || input.weaponDps <= 0) return null;

  return {
    amount: input.weaponDps * ROM_ROGUE_MAGE_CHAOS_DAGGER_DAMAGE_COEFFICIENT,
    school: "fire",
    weaponHand: input.weaponHand,
  };
}