"""/api/cron endpoint — currently reads clawdbot jobs.json (rewritten next commit)."""
import json
from datetime import datetime, timezone as dt_timezone
from pathlib import Path
from zoneinfo import ZoneInfo


class CronHandlers:
    """Mixin for /api/cron."""

    def handle_cron_status(self):
        """Get cron jobs status from ~/.clawdbot/cron/jobs.json (legacy schema)."""
        try:
            jobs_file = Path.home() / '.clawdbot' / 'cron' / 'jobs.json'
            if not jobs_file.exists():
                self.send_json({'jobs': [], 'error': 'No jobs file found'})
                return

            data = json.loads(jobs_file.read_text())
            all_jobs = data.get('jobs', [])

            today_start = datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
            today_start_ms = today_start.timestamp() * 1000

            jobs = []
            for job in all_jobs:
                if not job.get('enabled', False):
                    continue

                schedule = job.get('schedule', {})
                expr = schedule.get('expr', '')

                parts = expr.split()
                if len(parts) >= 2:
                    minute = parts[0]
                    hour = parts[1]
                    if minute.isdigit() and (hour.isdigit() or '-' in hour):
                        if '-' in hour:
                            hour_start, _ = hour.split('-')
                            hour = hour_start
                        try:
                            bucharest = ZoneInfo('Europe/Bucharest')
                            utc_dt = datetime.now(dt_timezone.utc).replace(
                                hour=int(hour), minute=int(minute), second=0, microsecond=0,
                            )
                            local_dt = utc_dt.astimezone(bucharest)
                            time_str = f"{local_dt.hour:02d}:{local_dt.minute:02d}"
                        except Exception:
                            time_str = f"{int(hour):02d}:{int(minute):02d}"
                    else:
                        time_str = expr[:15]
                else:
                    time_str = expr[:15]

                state = job.get('state', {})
                last_run = state.get('lastRunAtMs', 0)
                ran_today = last_run >= today_start_ms
                last_status = state.get('lastStatus', 'unknown')

                jobs.append({
                    'id': job.get('id'),
                    'name': job.get('name'),
                    'agentId': job.get('agentId'),
                    'time': time_str,
                    'schedule': expr,
                    'ranToday': ran_today,
                    'lastStatus': last_status if ran_today else None,
                    'lastRunAtMs': last_run,
                    'nextRunAtMs': state.get('nextRunAtMs'),
                })

            jobs.sort(key=lambda j: j['time'])
            self.send_json({
                'jobs': jobs,
                'total': len(jobs),
                'ranToday': sum(1 for j in jobs if j['ranToday']),
            })
        except Exception as e:
            self.send_json({'error': str(e)}, 500)