package com.lukouguoji.gjc.viewModel

import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.viewModelScope
import com.lukouguoji.gjc.R
import com.lukouguoji.gjc.dialog.IntExpTallyDeleteDialogModel
import com.lukouguoji.gjc.dialog.IntExpTallyResetDialogModel
import com.lukouguoji.gjc.holder.IntExpTallyViewHolder
import com.lukouguoji.module_base.base.BasePageViewModel
import com.lukouguoji.module_base.bean.GjcCheckInPage
import com.lukouguoji.module_base.bean.GjcDeclareParam
import com.lukouguoji.module_base.bean.GjcHaWb
import com.lukouguoji.module_base.bean.GjcMaWb
import com.lukouguoji.module_base.common.Constant
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.launchCollect
import com.lukouguoji.module_base.ktx.launchLoadingCollect
import com.lukouguoji.module_base.ktx.showToast
import com.lukouguoji.module_base.ktx.toRequestBody
import com.lukouguoji.module_base.model.ScanModel
import dev.utils.common.DateUtils
import com.lukouguoji.module_base.ktx.formatDate
import kotlinx.coroutines.launch

/**
 * 国际出港-出港理货 ViewModel
 */
class IntExpTallyViewModel : BasePageViewModel() {

    // ========== 搜索条件 ==========
    val flightDate = MutableLiveData<String>(DateUtils.getCurrentTime().formatDate())        // 航班日期
    val flightNo = MutableLiveData("")          // 航班号
    val waybillNo = MutableLiveData("")         // 运单号
    val houseWaybillNo = MutableLiveData("")    // 分单号

    // ========== 统计信息 ==========
    val totalCount = MutableLiveData("0")       // 合计票数
    val totalPc = MutableLiveData("0")          // 总件数
    val totalWeight = MutableLiveData("0")      // 总重量

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

    fun onItemCheckChanged() {
        updateCheckAllStatus()
    }

    fun updateCheckAllStatus() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<GjcMaWb> ?: return
        isAllChecked.value = list.isNotEmpty() && list.all { it.checked.get() }
    }

    // ========== 全局展开状态 ==========
    /**
     * 全局展开状态
     * - true: 全部展开
     * - false: 全部收起
     */
    val isAllExpanded = MutableLiveData(false)

    // ========== 适配器配置 ==========
    val itemViewHolder = IntExpTallyViewHolder::class.java
    val itemLayoutId = R.layout.item_int_exp_tally

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

    /**
     * 全选按钮点击 (只切换主单的全选状态，分单选择独立)
     */
    fun checkAllClick() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<GjcMaWb> ?: return

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

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

    /**
     * 切换全局展开/收起状态
     */
    fun toggleAllExpand() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<GjcMaWb> ?: return

        // 切换全局状态
        val shouldExpand = !isAllExpanded.value!!
        isAllExpanded.value = shouldExpand

        list.forEach { bean ->
            bean.showMore.set(shouldExpand)
        }

        // 刷新列表UI
        pageModel.rv?.commonAdapter()?.notifyDataSetChanged()
    }

    /**
     * 扫码运单号
     */
    fun scanWaybill() {
        ScanModel.startScan(getTopActivity(), Constant.RequestCode.WAYBILL)
    }

    /**
     * 扫码分单号
     */
    fun scanHouseWaybill() {
        ScanModel.startScan(getTopActivity(), Constant.RequestCode.CODE)
    }

    /**
     * 状态重置 (批量操作)
     */
    fun resetDeclare() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<GjcMaWb> ?: return

        // 收集选中的主单
        val selectedMaWbList = list.filter { it.isSelected }

        // 收集选中的分单
        val selectedHaWbList = mutableListOf<GjcHaWb>()
        list.forEach { maWb ->
            maWb.haWbList?.forEach { haWb ->
                if (haWb.isSelected) {
                    selectedHaWbList.add(haWb)
                }
            }
        }

        // 检查是否有选中项
        if (selectedMaWbList.isEmpty() && selectedHaWbList.isEmpty()) {
            showToast("请选择要重置的记录")
            return
        }

        // 创建并显示弹框
        val dialog = IntExpTallyResetDialogModel { dialogModel ->
            // 弹框确认后的回调
            // 构建请求参数（区分主单和分单）
            val params = mutableMapOf<String, Any?>()
            if (selectedMaWbList.isNotEmpty()) {
                params["maWbList"] = selectedMaWbList
            }
            if (selectedHaWbList.isNotEmpty()) {
                params["haWbList"] = selectedHaWbList
            }

            // 根据选择添加restStatus参数
            // 选择"正常"时传递 "01"，选择"未申报"时不传递此参数
            if (dialogModel.resetStatusCode != null) {
                params["restStatus"] = dialogModel.resetStatusCode
            }

            val requestData = params.toRequestBody()

            launchLoadingCollect({ NetApply.api.resetTallyDeclare(requestData) }) {
                onSuccess = {
                    showToast("状态重置成功")
                    viewModelScope.launch {
                        FlowBus.with<String>(ConstantEvent.EVENT_REFRESH).emit("refresh")
                    }
                    refresh()
                }
            }
        }

        dialog.show()
    }

    /**
     * 理货申报 (批量操作，主单和分单分开)
     */
    fun declareTally() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<GjcMaWb> ?: return

        // 收集选中的主单
        val selectedMaWbList = list.filter { it.isSelected }

        // 收集选中的分单
        val selectedHaWbList = mutableListOf<GjcHaWb>()
        list.forEach { maWb ->
            maWb.haWbList?.forEach { haWb ->
                if (haWb.isSelected) {
                    selectedHaWbList.add(haWb)
                }
            }
        }

        // 检查是否有选中项
        if (selectedMaWbList.isEmpty() && selectedHaWbList.isEmpty()) {
            showToast("请选择要理货的记录")
            return
        }

        // 校验申报状态：只有未申报（状态为空）的记录才能理货申报
        if (selectedMaWbList.any { !it.declareStatus.isNullOrEmpty() } ||
            selectedHaWbList.any { !it.tallyStatus.isNullOrEmpty() }
        ) {
            showToast("只有未申报的运单才能理货申报")
            return
        }

        // 构建请求参数（区分主单和分单）
        val params = mutableMapOf<String, Any?>()
        if (selectedMaWbList.isNotEmpty()) {
            params["maWbList"] = selectedMaWbList
        }
        if (selectedHaWbList.isNotEmpty()) {
            params["haWbList"] = selectedHaWbList
        }

        val requestData = params.toRequestBody()

        launchLoadingCollect({ NetApply.api.declareTally(requestData) }) {
            onSuccess = {
                showToast("理货申报成功")
                viewModelScope.launch {
                    FlowBus.with<String>(ConstantEvent.EVENT_REFRESH).emit("refresh")
                }
                refresh()
            }
        }
    }

    /**
     * 删除申报 (批量操作)
     */
    fun deleteTally() {
        val list = pageModel.rv?.commonAdapter()?.items as? List<GjcMaWb> ?: return

        // 收集选中的主单
        val selectedMaWbList = list.filter { it.isSelected }

        // 收集选中的分单
        val selectedHaWbList = mutableListOf<GjcHaWb>()
        list.forEach { maWb ->
            maWb.haWbList?.forEach { haWb ->
                if (haWb.isSelected) {
                    selectedHaWbList.add(haWb)
                }
            }
        }

        // 检查是否有选中项（主单和分单分开判断，互不影响）
        if (selectedMaWbList.isEmpty() && selectedHaWbList.isEmpty()) {
            showToast("请选择要删除申报的记录")
            return
        }

        // 校验申报状态：只有申报状态为 01 的记录才能删除申报
        if (selectedMaWbList.any { it.declareStatus != "01" } ||
            selectedHaWbList.any { it.tallyStatus != "01" }
        ) {
            showToast("只能删除申报状态为01的运单")
            return
        }

        // 从接口获取删除原因列表
        launchLoadingCollect({ NetApply.api.getDelReasonList() }) {
            onSuccess = { result ->
                val changeReasonList = result.data?.map { it.toKeyValue() } ?: emptyList()

                // 创建并显示弹框
                val dialog = IntExpTallyDeleteDialogModel(changeReasonList) { dialogModel ->
                    // 弹框确认后的回调（区分主单和分单）
                    val param = GjcDeclareParam(
                        dcode = dialogModel.changeReason.value,
                        dcontactsName = dialogModel.contactName.value,
                        dcontactsTel = dialogModel.contactPhone.value,
                        maWbList = if (selectedMaWbList.isNotEmpty()) selectedMaWbList else null,
                        haWbList = if (selectedHaWbList.isNotEmpty()) selectedHaWbList else null
                    )

                    val requestData = param.toRequestBody()

                    // 调用删除接口
                    launchLoadingCollect({ NetApply.api.deleteTallyDeclare(requestData) }) {
                        onSuccess = {
                            showToast("删除申报成功")
                            viewModelScope.launch {
                                FlowBus.with<String>(ConstantEvent.EVENT_REFRESH).emit("refresh")
                            }
                            refresh()
                        }
                    }
                }

                dialog.show()
            }
        }
    }

    /**
     * 获取数据 (重写BasePageViewModel)
     */
    override fun getData() {
        // 构建查询参数对象
        val pageParams = GjcCheckInPage(
            fdate = flightDate.value?.ifEmpty { null },
            fno = flightNo.value?.ifEmpty { null },
            wbNo = waybillNo.value?.ifEmpty { null },
            hno = houseWaybillNo.value?.ifEmpty { null },
            pageNum = pageModel.page,
            pageSize = pageModel.limit
        )

        // 列表参数 (含分页)
        val listParams = pageParams.toRequestBody()

        // 统计参数 (无分页)
        val totalParams = GjcCheckInPage(
            fdate = flightDate.value?.ifEmpty { null },
            fno = flightNo.value?.ifEmpty { null },
            wbNo = waybillNo.value?.ifEmpty { null },
            hno = houseWaybillNo.value?.ifEmpty { null }
        ).toRequestBody()

        // 获取列表 (带Loading)
        launchLoadingCollect({ NetApply.api.getIntExpTallyList(listParams) }) {
            onSuccess = {
                pageModel.handleListBean(it) { updateCheckAllStatus() }
                // 数据加载完成后，重置全局展开状态为收起
                isAllExpanded.value = false
            }
        }

        // 获取统计信息 (后台请求,不阻塞列表)
        launchCollect({ NetApply.api.getIntExpTallyTotal(totalParams) }) {
            onSuccess = { result ->
                val data = result.data
                totalCount.value = (data?.wbNumber ?: 0).toString()
                totalPc.value = (data?.totalPc ?: 0).toString()
                totalWeight.value = (data?.totalWeight ?: 0.0).toString()
            }
        }
    }
}
