{% extends "base.html" %}

{% block title %}API设置 - 钢琴练习方案系统{% endblock %}

{% block sidebar_nav %}
<a class="nav-link" href="/">
    <i class="bi bi-people"></i> 学员管理
</a>
<a class="nav-link" href="/settings">
    <i class="bi bi-gear"></i> 问题配置
</a>
<a class="nav-link active" href="/api-settings">
    <i class="bi bi-key"></i> API设置
</a>
<a class="nav-link" href="/templates" id="templatesNav" style="display:none;">
    <i class="bi bi-file-earmark-text"></i> 模板管理
</a>
<a class="nav-link" href="/classes">
    <i class="bi bi-collection"></i> 班级管理
</a>
<a class="nav-link" href="/users" id="usersNav" style="display:none;">
    <i class="bi bi-person-badge"></i> 用户管理
</a>
<hr>
<a class="nav-link" href="#" onclick="showChangePasswordModal()">
    <i class="bi bi-key"></i> 修改密码
</a>
<a class="nav-link" href="#" onclick="logout()">
    <i class="bi bi-box-arrow-right"></i> 退出登录
</a>
{% endblock %}

{% block content %}
<div class="card">
    <div class="card-header">
        <h5 class="mb-0"><i class="bi bi-key"></i> AI API 配置</h5>
    </div>
    <div class="card-body">
        <div class="alert alert-info">
            <i class="bi bi-info-circle"></i> 配置AI生成练习报告所需的API参数。
        </div>

        <form id="apiConfigForm">
            <div class="row">
                <div class="col-md-6 mb-3">
                    <label class="form-label">提供商</label>
                    <select class="form-select" id="apiProvider" onchange="onProviderChange()">
                        <option value="minimax">MiniMax (Token Plan)</option>
                        <option value="volcengine">火山引擎 (Volcengine)</option>
                        <option value="deepseek">DeepSeek</option>
                        <option value="openai">OpenAI</option>
                        <option value="openrouter">OpenRouter</option>
                    </select>
                </div>
                <div class="col-md-6 mb-3">
                    <label class="form-label">模型</label>
                    <select class="form-select" id="apiModel">
                        <option value="MiniMax-M2.7-highspeed">MiniMax-M2.7-highspeed</option>
                        <option value="doubao-seed-2.0-pro">doubao-seed-2.0-pro</option>
                        <option value="doubao-seed-code">doubao-seed-code</option>
                        <option value="doubao-seed-2.0-lite">doubao-seed-2.0-lite</option>
                    </select>
                </div>
            </div>

            <div class="mb-3">
                <label class="form-label">API Key</label>
                <div class="input-group">
                    <input type="password" class="form-control" id="apiKey" placeholder="请输入API Key">
                    <button class="btn btn-outline-secondary" type="button" onclick="toggleApiKey()">
                        <i class="bi bi-eye" id="apiKeyToggleIcon"></i>
                    </button>
                </div>
                <small class="text-muted" id="apiKeyPreview"></small>
            </div>

            <div class="mb-3">
                <label class="form-label">API Endpoint</label>
                <input type="text" class="form-control" id="apiEndpoint" placeholder="https://ark.cn-beijing.volces.com/api/coding/v3">
            </div>

            <div class="mb-3">
                <label class="form-label">Temperature</label>
                <input type="number" class="form-control" id="apiTemperature" min="0" max="2" step="0.1" value="0.7">
                <small class="text-muted">控制输出的随机性，值越大越有创造性</small>
            </div>

            <div class="d-flex gap-2">
                <button type="button" class="btn btn-primary" onclick="saveApiConfig()">
                    <i class="bi bi-save"></i> 保存配置
                </button>
                <button type="button" class="btn btn-outline-secondary" onclick="testApiConnection()">
                    <i class="bi bi-plug"></i> 测试连接
                </button>
            </div>

            <div class="mt-3" id="apiTestResult"></div>
        </form>
    </div>
</div>

<div class="card mt-3">
    <div class="card-header">
        <h6 class="mb-0"><i class="bi bi-lightbulb"></i> 推荐配置</h6>
    </div>
    <div class="card-body">
        <table class="table table-sm">
            <thead>
                <tr>
                    <th>提供商</th>
                    <th>推荐模型</th>
                    <th>Endpoint</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>MiniMax</td>
                    <td>MiniMax-M2.7-highspeed</td>
                    <td><code>https://api.minimaxi.com/anthropic/v1</code></td>
                </tr>
                <tr>
                    <td>火山方舟</td>
                    <td>doubao-seed-2.0-pro</td>
                    <td><code>https://ark.cn-beijing.volces.com/api/coding/v3</code></td>
                </tr>
                <tr>
                    <td>DeepSeek</td>
                    <td>deepseek-chat</td>
                    <td><code>https://api.deepseek.com</code></td>
                </tr>
                <tr>
                    <td>OpenRouter</td>
                    <td>deepseek/deepseek-r1</td>
                    <td><code>https://openrouter.ai/api/v1</code></td>
                </tr>
            </tbody>
        </table>
    </div>
</div>
{% endblock %}

{% block extra_js %}
<script>
const ROLE_LABELS = { 'admin': '管理员', 'user': '普通用户' };

document.addEventListener('DOMContentLoaded', function() {
    fetch('/api/check-login').then(r => r.json()).then(data => {
        if (!data.logged_in) {
            window.location.href = '/login';
            return;
        }
        if (data.role !== 'admin') {
            window.location.href = '/';
            return;
        }

        const userDisplay = data.username + ' (' + ROLE_LABELS[data.role] + ')';
        document.getElementById('currentUserDisplay').textContent = userDisplay;
        const mobileDisplay = document.getElementById('mobileUserDisplay');
        if (mobileDisplay) mobileDisplay.textContent = userDisplay;

        if (data.role === 'admin') {
            document.getElementById('usersNav').style.display = '';
            document.getElementById('templatesNav').style.display = '';
        }

        loadApiConfig();
    }).catch(() => {
        window.location.href = '/login';
    });
});

const providerDefaults = {
    'minimax': {
        endpoint: 'https://api.minimaxi.com/anthropic/v1',
        model: 'MiniMax-M2.7-highspeed',
        temperature: 0.7,
        api_key: ''
    },
    'volcengine': {
        endpoint: 'https://ark.cn-beijing.volces.com/api/coding/v3',
        model: 'doubao-seed-2.0-pro',
        temperature: 0.7,
        api_key: ''
    },
    'deepseek': {
        endpoint: 'https://api.deepseek.com',
        model: 'deepseek-chat',
        temperature: 0.7,
        api_key: ''
    },
    'openai': {
        endpoint: 'https://api.openai.com/v1',
        model: 'gpt-4o-mini',
        temperature: 0.7,
        api_key: ''
    },
    'openrouter': {
        endpoint: 'https://openrouter.ai/api/v1',
        model: 'anthropic/claude-3-haiku',
        temperature: 0.7,
        api_key: ''
    }
};

async function onProviderChange() {
    const provider = document.getElementById('apiProvider').value;
    const defaults = providerDefaults[provider] || providerDefaults['volcengine'];

    document.getElementById('apiModel').value = defaults.model;
    document.getElementById('apiEndpoint').value = defaults.endpoint;
    document.getElementById('apiTemperature').value = defaults.temperature;
    document.getElementById('apiKey').value = defaults.api_key || '';
}

async function saveApiConfig(silent = false, overrideProvider = null) {
    const provider = overrideProvider || document.getElementById('apiProvider').value;
    const config = {
        provider: provider,
        model: document.getElementById('apiModel').value,
        api_key: document.getElementById('apiKey').value,
        base_url: document.getElementById('apiEndpoint').value,
        temperature: parseFloat(document.getElementById('apiTemperature').value)
    };

    const r = await fetch('/api/config', {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(config)
    });
    const data = await r.json();
    if (!silent) {
        if (data.error) {
            alert(data.error);
        } else {
            alert('保存成功');
        }
    }
    return data;
}

async function loadApiConfig() {
    try {
        const r = await fetch('/api/config');
        const config = await r.json();
        document.getElementById('apiProvider').value = config.provider || 'volcengine';
        document.getElementById('apiModel').value = config.model || 'doubao-seed-2.0-pro';
        document.getElementById('apiKey').value = config.api_key || '';
        document.getElementById('apiEndpoint').value = config.base_url || '';
        document.getElementById('apiTemperature').value = config.temperature || 0.7;

        if (config.api_key_preview) {
            document.getElementById('apiKeyPreview').textContent = '当前: ' + config.api_key_preview;
        }
    } catch (e) {
        console.error(e);
    }
}

async function testApiConnection() {
    const resultDiv = document.getElementById('apiTestResult');
    resultDiv.innerHTML = '<div class="alert alert-info">测试中...</div>';

    const r = await fetch('/api/config/test', { method: 'POST' });
    const data = await r.json();

    if (data.success) {
        resultDiv.innerHTML = '<div class="alert alert-success"><i class="bi bi-check-circle"></i> 连接成功</div>';
    } else {
        resultDiv.innerHTML = '<div class="alert alert-danger"><i class="bi bi-x-circle"></i> 连接失败: ' + (data.error || '未知错误') + '</div>';
    }
}

function toggleApiKey() {
    const input = document.getElementById('apiKey');
    const icon = document.getElementById('apiKeyToggleIcon');
    if (input.type === 'password') {
        input.type = 'text';
        icon.className = 'bi bi-eye-slash';
    } else {
        input.type = 'password';
        icon.className = 'bi bi-eye';
    }
}
</script>
{% endblock %}