package com.baiyue.lastleg.mapper;

import com.baiyue.lastleg.dto.CustomerOrderProgress;
import org.apache.ibatis.annotations.*;
import java.util.List;

/** Batch read of every actual source, never the representative MIN(order_id) on a shared pallet. */
@Mapper
public interface CustomerOrderProgressMapper {
    @Select("""
        WITH scheduled AS (
          SELECT line.order_id,SUM(a.planned_package_count) AS packages
          FROM ll_dispatch_order d
          JOIN ll_dispatch_item i ON i.dispatch_order_id=d.id AND i.customer_id=d.customer_id
          JOIN ll_inbound_plan_pallet_allocation a ON a.pallet_id=i.plan_pallet_id
          JOIN ll_inbound_plan_line line ON line.id=a.line_id AND line.customer_id=d.customer_id
          WHERE d.customer_id=#{customerId} AND d.status IN ('PENDING_DEPARTURE','PICKING','READY_TO_DEPART')
            AND i.warehouse_pallet_id IS NULL
          GROUP BY line.order_id
          UNION ALL
          SELECT b.inbound_order_id AS order_id,SUM(p.available_packages+COALESCE(pk.packages,0)) AS packages
          FROM ll_dispatch_order d
          JOIN ll_dispatch_item i ON i.dispatch_order_id=d.id AND i.customer_id=d.customer_id
          JOIN ll_inventory_position p ON p.customer_id=d.customer_id AND p.pallet_id=i.warehouse_pallet_id
            AND p.overseas_warehouse_id=i.overseas_warehouse_id
          JOIN ll_inventory_balance b ON b.id=p.balance_id AND b.customer_id=d.customer_id
          LEFT JOIN (SELECT dispatch_item_id,inventory_position_id,SUM(packages) AS packages
            FROM ll_dispatch_pda_pick WHERE customer_id=#{customerId}
            GROUP BY dispatch_item_id,inventory_position_id) pk
            ON pk.dispatch_item_id=i.id AND pk.inventory_position_id=p.id
          WHERE d.customer_id=#{customerId} AND d.status IN ('PENDING_DEPARTURE','PICKING','READY_TO_DEPART')
            AND (i.plan_pallet_id IS NULL OR EXISTS (
              SELECT 1 FROM ll_inbound_plan_pallet_allocation a
              JOIN ll_inbound_plan_line line ON line.id=a.line_id AND line.customer_id=d.customer_id
              WHERE a.pallet_id=i.plan_pallet_id AND line.order_id=b.inbound_order_id))
          GROUP BY b.inbound_order_id
        ), departed AS (
          SELECT a.order_id,SUM(a.packages) AS packages
          FROM ll_dispatch_pda_pick_order a
          JOIN ll_dispatch_pda_pick p ON p.id=a.pick_id AND p.customer_id=a.customer_id
          JOIN ll_dispatch_pda_task t ON t.id=p.task_id AND t.customer_id=a.customer_id
          JOIN ll_dispatch_order ds ON ds.id=t.dispatch_order_id AND ds.customer_id=a.customer_id
          JOIN ll_dispatch_item i ON i.id=p.dispatch_item_id AND i.dispatch_order_id=ds.id AND i.customer_id=a.customer_id
          WHERE a.customer_id=#{customerId} AND ds.status='DEPARTED' AND ds.depart_at IS NOT NULL
            AND EXISTS (
              SELECT 1 FROM ll_delivery_order d
              JOIN ll_outbound_order outb ON outb.id=d.outbound_order_id AND outb.customer_id=d.customer_id
              WHERE d.customer_id=a.customer_id AND d.dispatch_order_id=ds.id
                AND outb.status='OUTBOUNDED' AND d.status IN ('WAIT_DELIVERY','DELIVERING')
                AND d.delivery_group_key=CASE
                  WHEN i.destination_type='PRIVATE' AND NULLIF(TRIM(i.delivery_address),'') IS NOT NULL
                    THEN CONCAT('PRIVATE:',TRIM(i.delivery_address),':',TRIM(COALESCE(i.postal_code,'')))
                  WHEN COALESCE(NULLIF(TRIM(i.destination_warehouse_code),''),NULLIF(TRIM(i.fba_warehouse_code),'')) IS NOT NULL
                    THEN CONCAT('CODE:',UPPER(COALESCE(NULLIF(TRIM(i.destination_warehouse_code),''),NULLIF(TRIM(i.fba_warehouse_code),''))))
                  WHEN NULLIF(TRIM(i.destination_warehouse_id),'') IS NOT NULL THEN CONCAT('ID:',TRIM(i.destination_warehouse_id))
                  ELSE NULL END)
          GROUP BY a.order_id
        )
        SELECT o.source_order_id AS order_id,COALESCE(o.package_count,0) AS packages,
          COALESCE((SELECT SUM(s.packages) FROM scheduled s WHERE s.order_id=o.id),0) AS scheduled_packages,
          COALESCE((SELECT SUM(d.packages) FROM departed d WHERE d.order_id=o.id),0) AS delivering_packages
        FROM ll_order o WHERE o.customer_id=#{customerId} AND o.source_region='FIRSTLEG'
          AND o.source_order_id IS NOT NULL AND o.source_inbound_id IS NOT NULL
          AND o.order_type NOT IN ('RELABEL_APPLICATION','WAREHOUSE_TRANSFER')
        ORDER BY o.id
        """)
    List<CustomerOrderProgress.Source> sources(@Param("customerId") String customerId);
}