import clsx from "clsx";
import { useMemo } from "react";

import {
  AbilityLookup,
  Action,
  Attack,
  CharacterTheme,
  Constants,
  DataOriginRefData,
  Item,
  ItemPlan,
  RuleData,
  Spell,
  SpellCasterInfo,
  WeaponSpellDamageGroup,
} from "@dndbeyond/character-rules-engine/es";
import { RollContext } from "@dndbeyond/pocket-dimension-dice/types";

import CombatActionAttack from "../CombatAttack/CombatActionAttack";
import CombatItemAttack from "../CombatAttack/CombatItemAttack";
import CombatSpellAttack from "../CombatAttack/CombatSpellAttack";
import styles from "./styles.module.css";

interface AttackTableProps extends React.HTMLAttributes<HTMLElement> {
  theme: CharacterTheme;
  showNotes?: boolean;
  diceEnabled?: boolean;
  attacks: Array<Attack>;
  weaponSpellDamageGroups: Array<WeaponSpellDamageGroup>;
  abilityLookup: AbilityLookup;
  ruleData: RuleData;
  spellCasterInfo: SpellCasterInfo;
  onAttackClick?: (attack: Attack) => void;
  rollContext: RollContext;
  dataOriginRefData: DataOriginRefData;
  proficiencyBonus: number;
  itemPlans: Array<ItemPlan>;
}

export const AttackTable = ({
  theme,
  attacks,
  weaponSpellDamageGroups,
  ruleData,
  abilityLookup,
  spellCasterInfo,
  onAttackClick,
  dataOriginRefData,
  proficiencyBonus,
  rollContext,

  showNotes = true,
  diceEnabled = false,

  itemPlans,
  ...props
}: AttackTableProps) => {
  const columnClassNameBase = useMemo(
    () => [styles.col, theme?.isDarkMode && styles.darkMode],
    [theme]
  );

  const getColumnClass = (addtionalClass: string) =>
    clsx([...columnClassNameBase, addtionalClass]);

  const renderedAttacks = useMemo(
    (): React.ReactNode =>
      !!attacks.length ? (
        attacks.map((attack): React.ReactNode => {
          const commonCombatAttackProps = {
            key: attack.key,
            attack,
            ruleData,
            abilityLookup,
            onClick: onAttackClick,
            showNotes,
            diceEnabled,
            theme,
            rollContext,
            proficiencyBonus,
            className: styles.attack,
          };

          switch (attack.type) {
            case Constants.AttackSourceTypeEnum.ACTION:
            case Constants.AttackSourceTypeEnum.CUSTOM:
              return (
                <CombatActionAttack
                  action={attack.data as Action}
                  {...commonCombatAttackProps}
                  key={commonCombatAttackProps.key}
                />
              );

            case Constants.AttackSourceTypeEnum.ITEM:
              return (
                <CombatItemAttack
                  item={attack.data as Item}
                  weaponSpellDamageGroups={weaponSpellDamageGroups}
                  itemPlans={itemPlans}
                  {...commonCombatAttackProps}
                  key={commonCombatAttackProps.key}
                />
              );

            case Constants.AttackSourceTypeEnum.SPELL:
              return (
                <CombatSpellAttack
                  spell={attack.data as Spell}
                  spellCasterInfo={spellCasterInfo}
                  dataOriginRefData={dataOriginRefData}
                  {...commonCombatAttackProps}
                  key={commonCombatAttackProps.key}
                />
              );

            default:
              return null;
          }
        })
      ) : (
        <div
          className={clsx([
            styles.default,
            theme?.isDarkMode && styles.darkMode,
          ])}
        >
          Equip weapons or add spells to see your attacks here.
        </div>
      ),
    [
      attacks,
      ruleData,
      abilityLookup,
      onAttackClick,
      showNotes,
      diceEnabled,
      theme,
      rollContext,
      proficiencyBonus,
      weaponSpellDamageGroups,
      spellCasterInfo,
      dataOriginRefData,
      itemPlans,
    ]
  );

  return (
    <div {...props}>
      <div className={styles.tableHeader}>
        <div className={getColumnClass(styles.icon)} />
        <div className={getColumnClass(styles.name)}>Attack</div>
        <div className={getColumnClass(styles.range)}>Range</div>
        <div className={getColumnClass(styles.tohit)}>Hit / DC</div>
        <div className={getColumnClass(styles.damage)}>Damage</div>
        {showNotes && <div className={getColumnClass(styles.notes)}>Notes</div>}
      </div>
      <div data-testid="attack-table-content">{renderedAttacks}</div>
    </div>
  );
};