import type { RowDataPacket } from 'mysql2'
import { db, DB } from './db'
import type { SessionData } from './session'

export interface Character {
  name: string
  level: number
  gold: number
  silver: number
  copper: number
}

export interface AccountDashboard {
  bnetEmail: string
  gameAccount: string
  dp: number
  vp: number
  battlepayCredits: number
  securityTokenDate: string | null
  characters: Character[]
}

/** Datos del panel de cuenta. Resiliente si las BD de AzerothCore no están pobladas. */
export async function getAccountDashboard(session: SessionData): Promise<AccountDashboard> {
  const accountId = session.accountId ?? 0

  let dp = 0
  let vp = 0
  try {
    const [p] = await db(DB.default).query<RowDataPacket[]>(
      'SELECT dp, vp FROM home_api_points WHERE accountID = ?',
      [accountId],
    )
    if (p[0]) {
      dp = p[0].dp
      vp = p[0].vp
    }
  } catch {
    /* ignore */
  }

  let battlepayCredits = 0
  try {
    const [c] = await db(DB.auth).query<RowDataPacket[]>(
      'SELECT battlePayCredits FROM battlenet_accounts WHERE id = ?',
      [session.bnetId ?? 0],
    )
    if (c[0]?.battlePayCredits != null) battlepayCredits = c[0].battlePayCredits
  } catch {
    /* ignore */
  }

  let securityTokenDate: string | null = null
  try {
    const [s] = await db(DB.default).query<RowDataPacket[]>(
      'SELECT created_at FROM home_securitytoken WHERE user_id = ? ORDER BY created_at DESC LIMIT 1',
      [accountId],
    )
    if (s[0]) securityTokenDate = new Date(s[0].created_at).toISOString()
  } catch {
    /* ignore */
  }

  let characters: Character[] = []
  try {
    const [ch] = await db(DB.characters).query<RowDataPacket[]>(
      'SELECT name, level, money FROM characters WHERE account = ?',
      [accountId],
    )
    characters = ch.map((r) => ({
      name: r.name,
      level: r.level,
      gold: Math.floor(r.money / 10000),
      silver: Math.floor((r.money % 10000) / 100),
      copper: r.money % 100,
    }))
  } catch {
    /* la BD de personajes puede no estar poblada */
  }

  return {
    bnetEmail: session.bnetEmail ?? '',
    gameAccount: session.username ?? '',
    dp,
    vp,
    battlepayCredits,
    securityTokenDate,
    characters,
  }
}