import express from 'express';
import cors from 'cors';
import projectRoutes from '../src/server/routes/projectRoutes.js';
import partRoutes from '../src/server/routes/partRoutes.js';
import paintingSchemeRoutes from '../src/server/routes/paintingSchemeRoutes.js';
import applicationRecordRoutes from '../src/server/routes/applicationRecordRoutes.js';
import inspectionRoutes from '../src/server/routes/inspectionRoutes.js';
import analysisRoutes from '../src/server/routes/analysisRoutes.js';
import dataSheetRoutes from '../src/server/routes/dataSheetRoutes.js';
import yieldStudyRoutes from '../src/server/routes/yieldStudyRoutes.js';
import userRoutes from '../src/server/routes/userRoutes.js';
import systemSettingsRoutes from '../src/server/routes/systemSettingsRoutes.js';
import geometryTypeRoutes from '../src/server/routes/geometryTypeRoutes.js';
import stockRoutes from '../src/server/routes/stockRoutes.js';
import authRoutes from '../src/server/routes/authRoutes.js';
import notificationRoutes from '../src/server/routes/notificationRoutes.js';
import instrumentRoutes from '../src/server/routes/instrumentRoutes.js';
import { extractUser } from '../src/server/middleware/roleMiddleware.js';
import path from 'path';

const app = express();

app.use(cors({
    origin: '*', // Be more specific in production
    methods: ['GET', 'POST', 'PUT', 'DELETE', 'PATCH', 'OPTIONS'],
    allowedHeaders: ['Content-Type', 'Authorization', 'x-organization-id', 'x-organization-name']
}));
app.use(express.json());

// Global Middleware
import { authMiddleware } from '../src/server/middleware/auth.js';
app.use(authMiddleware);
app.use(extractUser);

// Static Uploads
app.use('/uploads', express.static(path.join(process.cwd(), 'uploads')));

import pool from '../src/server/config/postgres.js';

// ... (existing routes)

app.get('/api/admin/migrate-to-gpi', async (req, res) => {
    const TABLES = [
        "organizations",
        "users",
        "user_organizations",
        "projects",
        "parts",
        "technical_data_sheets",
        "painting_schemes",
        "inspections",
        "instruments",
        "stock_items",
        "stock_movements",
        "application_records",
        "application_record_items"
    ];

    try {
        const client = await pool.connect();
        await client.query("CREATE SCHEMA IF NOT EXISTS gpi;");
        
        const results = [];
        for (const table of TABLES) {
            try {
                // Try to move from public to gpi
                await client.query(`ALTER TABLE public.${table} SET SCHEMA gpi;`);
                results.push({ table, action: 'moved', status: 'success' });
            } catch (err: any) {
                // If it fails, maybe it's already in gpi?
                try {
                    await client.query(`SELECT 1 FROM gpi.${table} LIMIT 1`);
                    results.push({ table, action: 'check', status: 'already_in_gpi' });
                } catch (checkErr: any) {
                    results.push({ table, action: 'move', status: 'failed', error: err.message });
                }
            }
        }

        // Ensure new tables exist
        await client.query(`
            CREATE TABLE IF NOT EXISTS gpi.files (
                id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
                filename TEXT NOT NULL,
                content_type TEXT NOT NULL,
                data BYTEA NOT NULL,
                size INTEGER NOT NULL,
                created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
            );
        `);
        results.push({ table: 'files', action: 'create', status: 'success_or_exists' });

        await client.query(`
            CREATE TABLE IF NOT EXISTS gpi.stock_audit_logs (
                id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
                organization_id UUID,
                stock_item_id UUID,
                movement_id UUID,
                movement_number INTEGER,
                user_id TEXT,
                user_name TEXT,
                action TEXT,
                details TEXT,
                old_values JSONB,
                new_values JSONB,
                timestamp TIMESTAMP WITH TIME ZONE DEFAULT NOW()
            );
        `);
        results.push({ table: 'stock_audit_logs', action: 'create', status: 'success_or_exists' });
        client.release();
        res.json({ message: "Migration check completed", results });
    } catch (error: any) {
        res.status(500).json({ error: error.message });
    }
});

app.use('/api/auth', authRoutes);
app.use('/api/users', userRoutes);
app.use('/api/projects', projectRoutes);
app.use('/api/parts', partRoutes);
app.use('/api/painting-schemes', paintingSchemeRoutes);
app.use('/api/application-records', applicationRecordRoutes);
app.use('/api/inspections', inspectionRoutes);
app.use('/api', analysisRoutes);
app.use('/api/datasheets', dataSheetRoutes);
app.use('/api/yield-studies', yieldStudyRoutes);
app.use('/api/system-settings', systemSettingsRoutes);
app.use('/api/geometry-types', geometryTypeRoutes);
app.use('/api/stock', stockRoutes);
app.use('/api/notifications', notificationRoutes);
app.use('/api/instruments', instrumentRoutes);

app.get('/health', (req, res) => {
    res.json({ status: 'ok', timestamp: new Date() });
});

export default app;