import request from '@/utils/ai_request'

/**
 * 获取聊天历史记录
 * @param {Object} params 请求参数
 * @param {string} params.conversationId 会话ID
 * @param {string} params.user 用户ID
 * @param {number} [params.limit=20] 返回记录数量
 * @param {string} [params.beforeId] 获取此ID之前的记录
 * @returns {Promise} 包含历史记录的Promise
 */
export const getHistory = ({
    conversationId,
    user,
    limit = 20,
    beforeId
}) => {
    const params = {
        conversationId,
        user,
        limit
    }

    if (beforeId) {
        params.beforeId = beforeId
    }

    return request({
        url: '/aitutor/aichat/getMessagesToUser',
        method: 'get',
        params
    })
}

/**
 * 发送反馈（点赞/点踩）
 * @param {Object} params 请求参数
 * @param {string} params.messageId 消息ID
 * @param {number} params.action 1-点赞 0-点踩
 * @param {string} params.user 用户ID
 * @returns {Promise} 包含操作结果的Promise
 */
export const sendFeedback = ({
    messageId,
    action,
    user
}) => {
    return request({
        url: '/aitutor/aichat/feedback',
        method: 'post',
        data: {
            message_id: messageId,
            rating: action === 1 ? 'like' : 'dislike',
            user
        }
    })
}

/**
 * 上传文件
 * @param {FormData} formData 包含文件的FormData
 * @param {string} user 用户ID
 * @returns {Promise} 包含文件URL的Promise
 */
export const uploadFile = (formData, user) => {
    formData.append('user', user)
    return request({
        url: '/aitutor/aichat/files/upload',
        method: 'post',
        data: formData,
        headers: {
            'Content-Type': 'multipart/form-data'
        }
    })
}

/**
 * 创建新会话
 * @param {string} user 用户ID
 * @param {string} title 会话标题
 * @returns {Promise} 包含新会话ID的Promise
 */
export const createConversation = (user, title) => {
    return request({
        url: '/aitutor/aichat/conversation/create',
        method: 'post',
        data: {
            user,
            title
        }
    })
}

/**
 * 删除会话
 * @param {string} conversationId 会话ID
 * @param {string} user 用户ID
 * @returns {Promise} 包含操作结果的Promise
 */
export const deleteConversation = (conversationId, user) => {
    return request({
        url: '/aitutor/aichat/conversation/delete',
        method: 'post',
        data: {
            conversation_id: conversationId,
            user
        }
    })
}