// server/api/members/dues-status.get.ts
export default defineEventHandler(async (event) => {
  try {
    const { getMembers } = await import('~/server/utils/nocodb');

    // Get all members
    const allMembers = await getMembers();
    
    if (!allMembers?.list) {
      return {
        success: true,
        data: {
          overdue: [],
          upcoming: []
        }
      };
    }

    const today = new Date();
    const thirtyDaysFromNow = new Date();
    thirtyDaysFromNow.setDate(today.getDate() + 30);

    const overdueMembers: any[] = [];
    const upcomingMembers: any[] = [];

    for (const member of allMembers.list) {
      // Skip if dues are already paid
      if (member.current_year_dues_paid === 'true') {
        continue;
      }

      // Check if member has a payment due date
      if (member.payment_due_date) {
        const dueDate = new Date(member.payment_due_date);
        
        if (dueDate < today) {
          // Overdue
          overdueMembers.push(member);
        } else if (dueDate <= thirtyDaysFromNow) {
          // Due within 30 days
          upcomingMembers.push(member);
        }
      }
    }

    // Sort by due date (most overdue/earliest due first)
    overdueMembers.sort((a, b) => {
      const dateA = new Date(a.payment_due_date);
      const dateB = new Date(b.payment_due_date);
      return dateA.getTime() - dateB.getTime();
    });

    upcomingMembers.sort((a, b) => {
      const dateA = new Date(a.payment_due_date);
      const dateB = new Date(b.payment_due_date);
      return dateA.getTime() - dateB.getTime();
    });

    return {
      success: true,
      data: {
        overdue: overdueMembers,
        upcoming: upcomingMembers
      }
    };

  } catch (error: any) {
    console.error('[API] Error fetching dues status:', error);
    
    throw createError({
      statusCode: error.statusCode || 500,
      statusMessage: error.message || 'Failed to fetch dues status'
    });
  }
});