import type { DatabaseSync } from 'node:sqlite'
import { localDateString } from '../../services/writing-date.util'

export class PomodoroDailyRepository {
  constructor(private db: DatabaseSync) {}

  recordComplete(bookId: string, wordDelta: number, date = localDateString()): void {
    this.db
      .prepare(
        `INSERT INTO pomodoro_daily (date, book_id, completed_count, total_words)
         VALUES (?, ?, 1, ?)
         ON CONFLICT(date, book_id) DO UPDATE SET
           completed_count = completed_count + 1,
           total_words = total_words + excluded.total_words`
      )
      .run(date, bookId, wordDelta)
  }

  getTodayCount(bookId: string, date = localDateString()): number {
    const row = this.db
      .prepare('SELECT completed_count FROM pomodoro_daily WHERE date = ? AND book_id = ?')
      .get(date, bookId) as { completed_count: number } | undefined
    return row?.completed_count ?? 0
  }

  getTodayStats(
    bookId: string,
    date = localDateString()
  ): { completedCount: number; totalWords: number } {
    const row = this.db
      .prepare(
        'SELECT completed_count, total_words FROM pomodoro_daily WHERE date = ? AND book_id = ?'
      )
      .get(date, bookId) as { completed_count: number; total_words: number } | undefined
    return {
      completedCount: row?.completed_count ?? 0,
      totalWords: row?.total_words ?? 0
    }
  }
}