import { NextRequest, NextResponse } from 'next/server';
import { updateAccountConfig, deleteAccountConfig } from '@/lib/db';

export async function PUT(
    req: NextRequest,
    { params }: { params: Promise<{ id: string }> }
) {
    const { id: idStr } = await params;
    const id = parseInt(idStr, 10);

    if (isNaN(id)) {
        return NextResponse.json({ error: 'Invalid id' }, { status: 400 });
    }

    const body = await req.json() as {
        prefix?: string;
        profitTarget?: number;
        consistency?: number;
        minDayPnL?: number;
        minTradingDays?: number;
        accountSize?: number;
        maxLoss?: number;
        maxPositionSize?: number;
        targetSameEquity?: boolean;
        withdrawalStages?: { profit: number; consistency: number; minTradingDays: number }[];
    };

    const { prefix, profitTarget, consistency, minDayPnL, minTradingDays, accountSize, maxLoss, maxPositionSize, targetSameEquity, withdrawalStages } = body;

    if (
        typeof prefix !== 'string' || !prefix.trim() ||
        typeof profitTarget !== 'number' ||
        typeof consistency !== 'number' ||
        typeof minDayPnL !== 'number' ||
        typeof minTradingDays !== 'number' ||
        typeof accountSize !== 'number'
    ) {
        return NextResponse.json({ error: 'Invalid body' }, { status: 400 });
    }

    try {
        const updated = updateAccountConfig(id, {
            prefix: prefix.trim(),
            profitTarget,
            consistency,
            minDayPnL,
            minTradingDays,
            accountSize,
            maxLoss: maxLoss ?? 0,
            maxPositionSize: maxPositionSize ?? 0,
            targetSameEquity: targetSameEquity ?? false,
            withdrawalStages: withdrawalStages ?? [],
        });

        if (!updated) {
            return NextResponse.json({ error: 'Account config not found' }, { status: 404 });
        }

        return NextResponse.json({ success: true });
    } catch (err) {
        console.error('[PUT /api/account-configs/:id]', err);
        return NextResponse.json({ error: 'Failed to update' }, { status: 500 });
    }
}

export async function DELETE(
    _req: NextRequest,
    { params }: { params: Promise<{ id: string }> }
) {
    const { id: idStr } = await params;
    const id = parseInt(idStr, 10);

    if (isNaN(id)) {
        return NextResponse.json({ error: 'Invalid id' }, { status: 400 });
    }

    try {
        const deleted = deleteAccountConfig(id);
        if (!deleted) {
            return NextResponse.json({ error: 'Account config not found' }, { status: 404 });
        }
        return NextResponse.json({ success: true });
    } catch (err) {
        console.error('[DELETE /api/account-configs/:id]', err);
        return NextResponse.json({ error: 'Failed to delete' }, { status: 500 });
    }
}