import axios from "axios"
import { message } from "ant-design-vue"

// 创建 Axios 实例
const service = axios.create({
    baseURL: "/api/",
    timeout: 15000,
})

// 请求拦截器
service.interceptors.request.use(
    (config) => {
        const token = localStorage.getItem("token")
        if (token) {
            config.headers["Authorization"] = `Bearer ${token}`
        }
        return config
    },
    (error) => {
        console.error("Request error:", error)
        return Promise.reject(error)
    },
)

// 响应拦截器
service.interceptors.response.use(
    (response) => {
        const { code, result, message: msg } = response.data
        if (code === 0) {
            return result
        } else {
            if (code === 401) {
                message.error(msg)
                localStorage.removeItem("token")
                localStorage.removeItem("chatUser")
                window.location.href = "/login"
                return Promise.reject(new Error(msg))
            }
            message.error(msg)
            return Promise.reject(new Error(msg))
        }
    },
    (error) => {
        console.error("Response error:", error)

        // 详细的错误处理
        if (error.code === "ECONNABORTED") {
            console.log("请求超时，请检查网络连接")
        } else if (error.response?.status === 0 || error.message.includes("CORS")) {
            console.log("CORS错误检测到，尝试备用方案...")
            handleCORSError(error.config)
        } else if (error.response?.status >= 400 && error.response?.status < 500) {
            console.log("客户端错误:", error.response.status, error.response.data)
        } else if (error.response?.status >= 500) {
            console.log("服务器错误:", error.response.status)
        } else {
            console.log("网络错误:", error.message)
        }

        message.error("网络请求失败")
        return Promise.reject(error)
    },
)

// CORS错误的备用处理方案
const handleCORSError = (config) => {
    console.log("执行CORS错误备用方案...")
    const apiUrl = config.url.replace("/api", "")

    return fetch(apiUrl, {
        method: config.method.toUpperCase(),
        headers: {
            "Content-Type": "application/json",
            ...config.headers,
        },
        mode: "cors",
        body: config.data ? JSON.stringify(config.data) : undefined,
    })
        .then((response) => {
            if (!response.ok) {
                throw new Error(`HTTP error! status: ${response.status}`)
            }
            return response.json()
        })
        .catch((error) => {
            console.error("备用方案也失败:", error)
            throw error
        })
}

// 封装请求方法
export const get = (url, params = {}) => {
    return service.get(url, { params })
}

export const post = (url, data = {}) => {
    return service.post(url, data)
}

export const upload = (url, file) => {
    const formData = new FormData()
    formData.append("file", file)
    return service.post(url, formData, {
        headers: {
            "Content-Type": "multipart/form-data",
        },
    })
}

// 发送普通消息API
export const sendMessage = (data) => {
    const apiUrl = "/api/send-to-user"

    // 消息类型映射 - 根据用户提供的完整映射更新
    const messageTypeMap = {
        text: 0,
        image: 1,
        audio: 2,
        video: 3,
        prescription: 4,
        "medical-record": 5,
        "video-call": 6,
        "audio-call": 7,
        file: 8,
    }

    const requestData = {
        sender_user_id: data.senderId,
        receiver_user_id: data.receiverId,
        message_type: messageTypeMap[data.type] || 0,
        message_content: data.content || "",
        // 添加来源标记
        isFromHttp: true,
    }

    // 如果包含通话信令，添加call_id和call_status
    if (data.callId) {
        requestData.call_id = data.callId
    }
    if (data.callStatus) {
        requestData.call_status = data.callStatus
    }

    console.log("发送消息到API:", apiUrl, requestData)

    return axios
        .post(apiUrl, requestData, {
            headers: {
                "Content-Type": "application/json",
            },
            timeout: 15000,
            withCredentials: false,
        })
        .then((response) => {
            console.log("消息发送成功:", response.data)
            return response.data
        })
        .catch((error) => {
            console.error("消息发送失败:", error)
            throw error
        })
}

// 专门的通话信令发送方法
export const sendCallSignal = (signalData) => {
    const apiUrl = "/api/send-to-user"

    // 验证必要参数
    if (!signalData.sender_user_id) {
        throw new Error("缺少发送方用户ID")
    }
    if (!signalData.receiver_user_id) {
        throw new Error("缺少接收方用户ID")
    }
    if (!signalData.call_id) {
        throw new Error("缺少通话ID")
    }
    if (!signalData.call_status) {
        throw new Error("缺少通话状态")
    }

    // 构建通话信令请求数据
    const requestData = {
        sender_user_id: signalData.sender_user_id,
        receiver_user_id: signalData.receiver_user_id,
        message_type: signalData.message_type || 6, // 默认视频通话
        message_content: signalData.message_content || JSON.stringify(signalData.data || {}),
        call_id: signalData.call_id,
        call_status: signalData.call_status,
        // 添加来源标记
        isFromHttp: true,
    }

    console.log("发送通话信令到API:", apiUrl, requestData)

    return axios
        .post(apiUrl, requestData, {
            headers: {
                "Content-Type": "application/json",
            },
            timeout: 15000,
            withCredentials: false,
        })
        .then((response) => {
            console.log("通话信令发送成功:", response.data)
            return response.data
        })
        .catch((error) => {
            console.error("通话信令发送失败:", error)

            // 提供更详细的错误信息
            if (error.response) {
                console.error("响应错误:", error.response.data)
                console.error("响应状态:", error.response.status)
                console.error("响应头:", error.response.headers)
            } else if (error.request) {
                console.error("请求错误:", error.request)
            } else {
                console.error("配置错误:", error.message)
            }

            throw error
        })
}

// 通话相关的便捷方法
export const callAPI = {
    // 发起通话邀请
    invite: (senderUserId, receiverUserId, callId, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "invite",
            message_type: callType, // 6=视频, 7=语音
        })
    },

    // 接受通话
    accept: (senderUserId, receiverUserId, callId, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "accepted",
            message_type: callType,
        })
    },

    // 拒绝通话
    reject: (senderUserId, receiverUserId, callId, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "rejected",
            message_type: callType,
        })
    },

    // 结束通话
    end: (senderUserId, receiverUserId, callId, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "ended",
            message_type: callType,
        })
    },

    // 发送WebRTC Offer
    sendOffer: (senderUserId, receiverUserId, callId, offerData, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "offer",
            message_type: callType,
            data: offerData,
        })
    },

    // 发送WebRTC Answer
    sendAnswer: (senderUserId, receiverUserId, callId, answerData, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "answer",
            message_type: callType,
            data: answerData,
        })
    },

    // 发送ICE候选
    sendCandidate: (senderUserId, receiverUserId, callId, candidateData, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "candidate",
            message_type: callType,
            data: candidateData,
        })
    },

    // 发送忙线状态
    sendBusy: (senderUserId, receiverUserId, callId, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "busy",
            message_type: callType,
        })
    },

    // 发送无人接听
    sendNoAnswer: (senderUserId, receiverUserId, callId, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "no-answer",
            message_type: callType,
        })
    },

    // 发送通话失败
    sendFailed: (senderUserId, receiverUserId, callId, callType = 6) => {
        return sendCallSignal({
            sender_user_id: senderUserId,
            receiver_user_id: receiverUserId,
            call_id: callId,
            call_status: "failed",
            message_type: callType,
        })
    },
}

export default service