{{template "base" .}}

{{define "content"}}
<div class="row justify-content-center">
    <div class="col-lg-6">
        <div class="card shadow">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-plus-circle me-2"></i>課題登録</h5>
            </div>
            <div class="card-body">
                {{if .error}}<div class="alert alert-danger">{{.error}}</div>{{end}}
                <form method="POST" action="/assignments">
                    {{.csrfField}}
                    <div class="mb-3">
                        <label for="title" class="form-label">タイトル <span class="text-danger">*</span></label>
                        <input type="text" class="form-control" id="title" name="title" value="{{.formTitle}}" required
                            autofocus>
                    </div>
                    <div class="mb-3">
                        <label for="subject" class="form-label">科目</label>
                        <input type="text" class="form-control" id="subject" name="subject" value="{{.subject}}"
                            placeholder="例: 数学、英語、情報">
                    </div>
                    <div class="mb-3">
                        <label for="priority" class="form-label">重要度</label>
                        <select class="form-select" id="priority" name="priority">
                            <option value="low" {{if eq .priority "low" }}selected{{end}}>小</option>
                            <option value="medium" {{if not (or (eq .priority "low" ) (eq .priority "high"
                                ))}}selected{{end}}>中</option>
                            <option value="high" {{if eq .priority "high" }}selected{{end}}>大</option>
                        </select>
                    </div>
                    <div class="mb-3">
                        <label for="due_date" class="form-label">提出期限 <span class="text-danger">*</span></label>
                        <input type="datetime-local" class="form-control" id="due_date" name="due_date" required>
                    </div>
                    <div class="mb-3">
                        <label for="description" class="form-label">説明</label>
                        <textarea class="form-control" id="description" name="description"
                            rows="3">{{.description}}</textarea>
                    </div>
                    <!-- 通知設定 -->
                    <div class="card bg-light mb-3">
                        <div class="card-body py-2">
                            <h6 class="mb-2"><i class="bi bi-bell me-1"></i>通知設定</h6>
                            <!-- 督促通知 -->
                            <div class="form-check form-switch mb-2">
                                <input class="form-check-input" type="checkbox" id="urgent_reminder_enabled"
                                    name="urgent_reminder_enabled" checked>
                                <label class="form-check-label" for="urgent_reminder_enabled">
                                    督促通知（期限3時間前から繰り返し通知）
                                </label>
                            </div>
                            <div class="form-text small mb-2">
                                重要度により間隔が変わります：大=10分、中=30分、小=1時間
                            </div>
                            <hr class="my-2">
                            <div class="form-check form-switch">
                                <input class="form-check-input" type="checkbox" id="reminder_enabled"
                                    name="reminder_enabled" onchange="toggleReminderDate(this)">
                                <label class="form-check-label" for="reminder_enabled">
                                    リマインダー（指定日時に通知）
                                </label>
                            </div>
                            <div class="mt-2" id="reminder_at_group" style="display: none;">
                                <label for="reminder_at" class="form-label small">通知日時</label>
                                <input type="datetime-local" class="form-control form-control-sm" id="reminder_at"
                                    name="reminder_at">
                            </div>
                        </div>
                    </div>
                    <div class="card bg-light mb-3">
                        <div class="card-header py-2" style="cursor: pointer;" data-bs-toggle="collapse"
                            data-bs-target="#recurringSettings">
                            <h6 class="mb-0"><i class="bi bi-arrow-repeat me-1"></i>繰り返し設定 <i
                                    class="bi bi-chevron-down float-end"></i></h6>
                        </div>
                        <div class="collapse" id="recurringSettings">
                            <div class="card-body py-2">
                                <div class="row mb-2">
                                    <div class="col-6">
                                        <label for="recurrence_type" class="form-label small">繰り返しタイプ</label>
                                        <select class="form-select form-select-sm" id="recurrence_type"
                                            name="recurrence_type" onchange="updateRecurrenceOptions()">
                                            <option value="none" selected>なし</option>
                                            <option value="daily">毎日</option>
                                            <option value="weekly">毎週</option>
                                            <option value="monthly">毎月</option>
                                        </select>
                                    </div>
                                    <div class="col-6" id="interval_group" style="display: none;">
                                        <label for="recurrence_interval" class="form-label small">間隔</label>
                                        <div class="input-group input-group-sm">
                                            <input type="number" class="form-control" id="recurrence_interval"
                                                name="recurrence_interval" value="1" min="1" max="12">
                                            <span class="input-group-text" id="interval_label">週</span>
                                        </div>
                                    </div>
                                </div>
                                <div id="weekday_group" style="display: none;" class="mb-2">
                                    <label class="form-label small">曜日</label>
                                    <div class="btn-group btn-group-sm w-100" role="group">
                                        <input type="radio" class="btn-check" name="recurrence_weekday" id="wd0"
                                            value="0" {{if eq .currentWeekday 0}}checked{{end}}>
                                        <label class="btn btn-outline-primary" for="wd0">日</label>
                                        <input type="radio" class="btn-check" name="recurrence_weekday" id="wd1"
                                            value="1" {{if eq .currentWeekday 1}}checked{{end}}>
                                        <label class="btn btn-outline-primary" for="wd1">月</label>
                                        <input type="radio" class="btn-check" name="recurrence_weekday" id="wd2"
                                            value="2" {{if eq .currentWeekday 2}}checked{{end}}>
                                        <label class="btn btn-outline-primary" for="wd2">火</label>
                                        <input type="radio" class="btn-check" name="recurrence_weekday" id="wd3"
                                            value="3" {{if eq .currentWeekday 3}}checked{{end}}>
                                        <label class="btn btn-outline-primary" for="wd3">水</label>
                                        <input type="radio" class="btn-check" name="recurrence_weekday" id="wd4"
                                            value="4" {{if eq .currentWeekday 4}}checked{{end}}>
                                        <label class="btn btn-outline-primary" for="wd4">木</label>
                                        <input type="radio" class="btn-check" name="recurrence_weekday" id="wd5"
                                            value="5" {{if eq .currentWeekday 5}}checked{{end}}>
                                        <label class="btn btn-outline-primary" for="wd5">金</label>
                                        <input type="radio" class="btn-check" name="recurrence_weekday" id="wd6"
                                            value="6" {{if eq .currentWeekday 6}}checked{{end}}>
                                        <label class="btn btn-outline-primary" for="wd6">土</label>
                                    </div>
                                </div>
                                <div id="day_group" style="display: none;" class="mb-2">
                                    <label for="recurrence_day" class="form-label small">日</label>
                                    <select class="form-select form-select-sm" id="recurrence_day"
                                        name="recurrence_day">
                                        {{range $i := seq 1 31}}
                                        <option value="{{$i}}" {{if eq $.currentDay $i}}selected{{end}}>{{$i}}日</option>
                                        {{end}}
                                    </select>
                                </div>
                                <div id="end_group" style="display: none;">
                                    <label class="form-label small">終了条件</label>
                                    <div class="form-check form-check-inline">
                                        <input class="form-check-input" type="radio" name="end_type" id="end_never"
                                            value="never" checked>
                                        <label class="form-check-label small" for="end_never">無期限</label>
                                    </div>
                                    <div class="form-check form-check-inline">
                                        <input class="form-check-input" type="radio" name="end_type" id="end_count"
                                            value="count">
                                        <label class="form-check-label small" for="end_count">回数</label>
                                    </div>
                                    <div class="form-check form-check-inline">
                                        <input class="form-check-input" type="radio" name="end_type" id="end_date"
                                            value="date">
                                        <label class="form-check-label small" for="end_date">終了日</label>
                                    </div>
                                    <div class="mt-1" id="end_count_group" style="display: none;">
                                        <input type="number" class="form-control form-control-sm" id="end_count_value"
                                            name="end_count" value="10" min="1" style="width: 100px;">
                                    </div>
                                    <div class="mt-1" id="end_date_group" style="display: none;">
                                        <input type="date" class="form-control form-control-sm" id="end_date_value"
                                            name="end_date" style="width: 150px;">
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
            </div>
            <div class="d-flex gap-2">
                <button type="submit" class="btn btn-primary"><i class="bi bi-check-lg me-1"></i>登録</button>
                <a href="/assignments" class="btn btn-outline-secondary">キャンセル</a>
            </div>
            </form>
        </div>
    </div>
</div>
</div>
<script>
    function toggleReminderDate(checkbox) {
        document.getElementById('reminder_at_group').style.display = checkbox.checked ? 'block' : 'none';
    }
    function updateRecurrenceOptions() {
        const type = document.getElementById('recurrence_type').value;
        const isRecurring = type !== 'none';
        document.getElementById('interval_group').style.display = isRecurring ? 'block' : 'none';
        document.getElementById('weekday_group').style.display = type === 'weekly' ? 'block' : 'none';
        document.getElementById('day_group').style.display = type === 'monthly' ? 'block' : 'none';
        document.getElementById('end_group').style.display = isRecurring ? 'block' : 'none';
        const label = document.getElementById('interval_label');
        if (type === 'daily') label.textContent = '日';
        else if (type === 'weekly') label.textContent = '週';
        else if (type === 'monthly') label.textContent = '月';
    }
    document.querySelectorAll('input[name="end_type"]').forEach(radio => {
        radio.addEventListener('change', function () {
            document.getElementById('end_count_group').style.display = this.value === 'count' ? 'block' : 'none';
            document.getElementById('end_date_group').style.display = this.value === 'date' ? 'block' : 'none';
        });
    });
</script>
{{end}}