package com.lukouguoji.gjj.viewModel

import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.viewModelScope
import com.lukouguoji.gjj.R
import dev.utils.common.DateUtils
import com.lukouguoji.module_base.ktx.formatDate
import com.lukouguoji.gjj.holder.IntImpMsgParseViewHolder
import com.lukouguoji.module_base.base.BasePageViewModel
import com.lukouguoji.module_base.bean.MsgReceivePool
import com.lukouguoji.module_base.common.ConstantEvent
import com.lukouguoji.module_base.http.net.NetApply
import com.lukouguoji.module_base.impl.FlowBus
import com.lukouguoji.module_base.ktx.commonAdapter
import com.lukouguoji.module_base.ktx.launchLoadingCollect
import com.lukouguoji.module_base.ktx.showToast
import com.lukouguoji.module_base.ktx.toRequestBody
import kotlinx.coroutines.launch

/**
 * 国际进港-电报解析 ViewModel
 */
class IntImpMsgParseViewModel : BasePageViewModel() {

    // ========== 搜索条件 ==========
    val flightDate = MutableLiveData<String>(DateUtils.getCurrentTime().formatDate())        // 航班日期
    val flightNo = MutableLiveData("")          // 航班号
    val sendAddress = MutableLiveData("")       // 发站（择始发站）
    val receiveAddress = MutableLiveData("HFE") // 收报地址（目的站）
    val msgType = MutableLiveData("")           // 报文类型

    // ========== 统计信息 ==========
    val totalCount = MutableLiveData("0")       // 合计条数

    // ========== 全选状态 ==========
    val isAllChecked = MutableLiveData(false)

    init {
        // 监听全选状态，自动更新所有列表项
        isAllChecked.observeForever { checked ->
            val list = pageModel.rv?.commonAdapter()?.items as? List<MsgReceivePool> ?: return@observeForever
            list.forEach { it.checked.set(checked) }
            pageModel.rv?.commonAdapter()?.notifyDataSetChanged()
        }
    }

    // ========== 适配器配置 ==========
    val itemViewHolder = IntImpMsgParseViewHolder::class.java
    val itemLayoutId = R.layout.item_int_imp_msg_parse

    /**
     * 搜索按钮点击
     */
    fun searchClick() {
        refresh()
    }

    /**
     * 全选按钮点击（切换全选状态）
     */
    fun checkAllClick() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<MsgReceivePool> ?: return

        // 切换全选状态
        val shouldCheckAll = !isAllChecked.value!!
        list.forEach { it.checked.set(shouldCheckAll) }
        isAllChecked.value = shouldCheckAll

        pageModel.rv?.commonAdapter()?.notifyDataSetChanged()
    }

    /**
     * 电报生成（批量操作）
     */
    fun generateMsg() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<MsgReceivePool> ?: return
        val selectedItems = list.filter { it.isSelected }

        if (selectedItems.isEmpty()) {
            showToast("请选择要生成的电报")
            return
        }

        // 提取选中项的ID列表
        val ids = selectedItems.mapNotNull { it.id }
        val requestData = mapOf("ids" to ids).toRequestBody()

        launchLoadingCollect({ NetApply.api.batchGenerateMsg(requestData) }) {
            onSuccess = {
                showToast("电报生成成功")
                viewModelScope.launch {
                    FlowBus.with<String>(ConstantEvent.EVENT_REFRESH).emit("refresh")
                }
                refresh()
            }
        }
    }

    /**
     * 获取数据（重写BasePageViewModel）
     */
    override fun getData() {
        // 构建搜索条件
        val filterParams = mutableMapOf(
            "fdate" to flightDate.value?.ifEmpty { null },
            "fno" to flightNo.value?.ifEmpty { null },
            "sendAddress" to sendAddress.value?.ifEmpty { null },
            "msgType" to msgType.value?.ifEmpty { null }
        )

        // 列表参数（含分页）
        val listParams = (filterParams + mapOf(
            "pageNum" to pageModel.page,
            "pageSize" to pageModel.limit
        )).toRequestBody()

        // 获取列表（带Loading）
        launchLoadingCollect({ NetApply.api.getIntImpMsgList(listParams) }) {
            onSuccess = { result ->
                // 处理PageInfo结构
                val pageInfo = result.data
                if (pageInfo != null) {
                    val list = pageInfo.list ?: emptyList()
                    val pages = pageInfo.pages ?: 1

                    // 更新统计信息
                    totalCount.value = (pageInfo.total ?: 0).toString()

                    // 处理分页数据
                    pageModel.handleDataList(list)
                    pageModel.haveMore.postValue(pages > pageModel.page)
                } else {
                    pageModel.handleDataList(emptyList())
                    pageModel.haveMore.postValue(false)
                    totalCount.value = "0"
                }
            }
        }
    }
}
