import { NextRequest, NextResponse } from "next/server";
import { getServerSession } from "next-auth";
import { platformAuthOptions } from "../../auth/[...nextauth]/route";
import { prisma } from "../../../../../lib/prisma";
import { CompanyStatus } from "@prisma/client";

// GET /api/platform/companies/[id] - Get company details
export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const session = await getServerSession(platformAuthOptions);

    if (!session?.user?.isPlatformUser) {
      return NextResponse.json({ error: "Platform access required" }, { status: 401 });
    }

    const { id } = await params;

    const company = await prisma.company.findUnique({
      where: { id },
      include: {
        users: {
          select: {
            id: true,
            email: true,
            role: true,
            createdAt: true,
            updatedAt: true,
          },
        },
        sessions: {
          select: {
            id: true,
            startTime: true,
            endTime: true,
            sentiment: true,
            category: true,
          },
          take: 10,
          orderBy: { createdAt: "desc" },
        },
        _count: {
          select: {
            sessions: true,
            imports: true,
            users: true,
          },
        },
      },
    });

    if (!company) {
      return NextResponse.json({ error: "Company not found" }, { status: 404 });
    }

    return NextResponse.json({ company });
  } catch (error) {
    console.error("Platform company details error:", error);
    return NextResponse.json({ error: "Internal server error" }, { status: 500 });
  }
}

// PATCH /api/platform/companies/[id] - Update company
export async function PATCH(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const session = await getServerSession(platformAuthOptions);

    if (!session?.user?.isPlatformUser || session.user.platformRole === "SUPPORT") {
      return NextResponse.json({ error: "Admin access required" }, { status: 403 });
    }

    const { id } = await params;
    const body = await request.json();
    const { name, csvUrl, csvUsername, csvPassword, status } = body;

    const updateData: any = {};
    if (name !== undefined) updateData.name = name;
    if (csvUrl !== undefined) updateData.csvUrl = csvUrl;
    if (csvUsername !== undefined) updateData.csvUsername = csvUsername;
    if (csvPassword !== undefined) updateData.csvPassword = csvPassword;
    if (status !== undefined) updateData.status = status;

    const company = await prisma.company.update({
      where: { id },
      data: updateData,
    });

    return NextResponse.json({ company });
  } catch (error) {
    console.error("Platform company update error:", error);
    return NextResponse.json({ error: "Internal server error" }, { status: 500 });
  }
}

// DELETE /api/platform/companies/[id] - Delete company (archives instead)
export async function DELETE(
  request: NextRequest,
  { params }: { params: Promise<{ id: string }> }
) {
  try {
    const session = await getServerSession(platformAuthOptions);

    if (!session?.user?.isPlatformUser || session.user.platformRole !== "SUPER_ADMIN") {
      return NextResponse.json({ error: "Super admin access required" }, { status: 403 });
    }

    const { id } = await params;

    // Archive instead of delete to preserve data integrity
    const company = await prisma.company.update({
      where: { id },
      data: { status: CompanyStatus.ARCHIVED },
    });

    return NextResponse.json({ company });
  } catch (error) {
    console.error("Platform company archive error:", error);
    return NextResponse.json({ error: "Internal server error" }, { status: 500 });
  }
}