from flask import Blueprint, request, redirect, flash, session
from auth import require_level
from config_utils import (flush_pending_to_queue, get_dashboard_pending,
                          _is_locked, _format_timing, _seconds_until_next_run)

bp = Blueprint('action_actions', __name__)

_VIEW = '/view/view_actions'


@bp.route('/action/actions_cardoptions_save', methods=['POST'])
@require_level('administrator')
def actions_cardoptions_save():
    session['apply_changes_immediately'] = 'apply_changes_immediately' in request.form
    flash('Preference saved.', 'success')
    return redirect(_VIEW)


@bp.route('/action/actions_cardpendingchanges_applyselected', methods=['POST'])
@require_level('administrator')
def actions_cardpendingchanges_applyselected():
    items = get_dashboard_pending()
    if not items:
        flash('No pending changes to apply.', 'info')
        return redirect(_VIEW)
    flush_pending_to_queue()
    if _is_locked():
        msg = 'Changes queued. They are being applied now.'
    else:
        timing = _format_timing(_seconds_until_next_run())
        if timing:
            msg = f'Changes queued. They will be applied {timing}.'
        else:
            msg = 'Changes queued. The processing service is not running.'
    flash(msg, 'success')
    return redirect(_VIEW)


@bp.route('/action/actions_cardpendingchanges_revertselected', methods=['POST'])
@require_level('administrator')
def actions_cardpendingchanges_revertselected():
    flash('Not yet implemented.', 'info')
    return redirect(_VIEW)