{{template "base" .}}

{{define "head"}}
{{if and .captchaEnabled (eq .captchaType "turnstile")}}
<script src="https://challenges.cloudflare.com/turnstile/v0/api.js" async defer></script>
{{end}}
{{end}}

{{define "content"}}
<div class="row justify-content-center">
    <div class="col-md-5 col-lg-4">
        <div class="card shadow">
            <div class="card-body p-4">
                <div class="text-center mb-4">
                    <i class="bi bi-journal-check display-4 text-primary"></i>
                    <h2 class="mt-2">ログイン</h2>
                </div>

                {{if .error}}
                <div class="alert alert-danger">{{.error}}</div>
                {{end}}

                <form method="POST" action="/login">
                    {{.csrfField}}
                    <div class="mb-3">
                        <label for="email" class="form-label">メールアドレス</label>
                        <input type="email" class="form-control" id="email" name="email" value="{{.email}}" required
                            autofocus>
                    </div>
                    <div class="mb-3">
                        <label for="password" class="form-label">パスワード</label>
                        <input type="password" class="form-control" id="password" name="password" required>
                    </div>

                    {{if .captchaEnabled}}
                        {{if eq .captchaType "turnstile"}}
                        <div class="mb-3 d-flex justify-content-center">
                            <div class="cf-turnstile" data-sitekey="{{.turnstileSiteKey}}"></div>
                        </div>
                        {{else if eq .captchaType "image"}}
                        <div class="mb-3">
                            <label class="form-label">画像認証</label>
                            <div class="d-flex align-items-center gap-2 mb-2">
                                <img src="/captcha/{{.captchaID}}.png" alt="CAPTCHA" class="border rounded" id="captchaImg">
                                <button type="button" class="btn btn-sm btn-outline-secondary" onclick="reloadCaptcha()" title="更新">
                                    <i class="bi bi-arrow-clockwise"></i>
                                </button>
                            </div>
                            <input type="hidden" name="captcha_id" id="captchaID" value="{{.captchaID}}">
                            <input type="text" class="form-control" name="captcha_answer"
                                placeholder="上の数字を入力" autocomplete="off" required>
                        </div>
                        {{end}}
                    {{end}}

                    <div class="d-grid">
                        <button type="submit" class="btn btn-primary btn-lg">ログイン</button>
                    </div>
                </form>

                <hr class="my-4">

                <div class="text-center">
                    <p class="mb-0">アカウントをお持ちでない方は</p>
                    <a href="/register" class="btn btn-outline-secondary mt-2">新規登録</a>
                </div>
            </div>
        </div>
    </div>
</div>
{{end}}

{{define "scripts"}}
{{if and .captchaEnabled (eq .captchaType "image")}}
<script>
function reloadCaptcha() {
    fetch('/captcha-new')
        .then(r => r.text())
        .then(id => {
            document.getElementById('captchaID').value = id;
            document.getElementById('captchaImg').src = '/captcha/' + id + '.png?' + Date.now();
        });
}
</script>
{{end}}
{{end}}