import 'dotenv/config';
import db from '../src/database/models/index.js';
import bcrypt from 'bcryptjs';
import { ROLES, APPLICATION_STAGES, APPLICATION_STATUS } from '../src/common/config/constants.js';
import { resolveManagerCode } from '../src/services/userRoleCode.service.js';

const { Role, User, UserRole, Zone, State, Region, Location } = db;

async function masterReset() {
    console.log('--- RELOADING DATABASE FOR OFFBOARDING TEST ---');

    try {
        await db.sequelize.authenticate();
        
        // 1. Force Sync (Drop and Recreate)
        await db.sequelize.sync({ force: true });
        console.log('✅ Schema reset complete.');

        const hashedPassword = await bcrypt.hash('Admin@123', 10);

        // 2. Seed All Roles
        const rolesToSeed = Object.values(ROLES).map(code => ({
            roleCode: code,
            roleName: code,
            category: 'SYSTEM'
        }));

        for (const r of rolesToSeed) {
            await Role.create(r);
        }
        console.log('✅ Roles seeded.');

        // 3. Seed Basic Hierarchy
        const { District } = db;
        const zone = await Zone.create({ name: 'North', code: 'N' });
        const state = await State.create({ name: 'Delhi', zoneId: zone.id });
        const region = await Region.create({ name: 'NCR', zoneId: zone.id });
        
        // Create South Delhi District and link to NCR Region
        const district = await District.create({ 
            name: 'South Delhi', 
            stateId: state.id, 
            regionId: region.id, 
            zoneId: zone.id,
            isActive: true 
        });

        const loc = await Location.create({ 
            name: 'Central Delhi', 
            stateId: state.id, 
            regionId: region.id, 
            zoneId: zone.id,
            districtId: district.id 
        });
        console.log('✅ Hierarchy seeded with South Delhi District.');

        // 4. Seed Essential Users
        const users = [
            { email: 'admin@royalenfield.com', fullName: 'Super Admin', roleCode: ROLES.SUPER_ADMIN },
            { email: 'ddlead@royalenfield.com', fullName: 'Meera Iyer (DD Lead)', roleCode: ROLES.DD_LEAD },
            { email: 'nbh@royalenfield.com', fullName: 'NBH Head', roleCode: ROLES.NBH },
            { email: 'cco@royalenfield.com', fullName: 'Ashok Singh (CCO)', roleCode: ROLES.CCO },
            { email: 'ceo@royalenfield.com', fullName: 'Siddhartha Lal (CEO)', roleCode: ROLES.CEO },
            { email: 'spares@royalenfield.com', fullName: 'Spares Clearance Mgr', roleCode: ROLES.SPARES_MANAGER },
            { email: 'service@royalenfield.com', fullName: 'Service Clearance Mgr', roleCode: ROLES.SERVICE_MANAGER },
            { email: 'accounts@royalenfield.com', fullName: 'Accounts Clearance Mgr', roleCode: ROLES.ACCOUNTS_MANAGER },
            { email: 'finance@royalenfield.com', fullName: 'Rahul Verma (Finance)', roleCode: ROLES.FINANCE },
            { email: 'legal@royalenfield.com', fullName: 'Legal Admin', roleCode: ROLES.LEGAL_ADMIN },
            { email: 'dealer@royalenfield.com', fullName: 'Dealer One', roleCode: ROLES.DEALER, isExternal: true },
            { email: 'asm@royalenfield.com', fullName: 'Sales Manager (ASM)', roleCode: ROLES.ASM },
            { email: 'rbm@royalenfield.com', fullName: 'Regional Business Mgr', roleCode: ROLES.RBM },
            { email: 'ddzm@royalenfield.com', fullName: 'Zonal Manager (DD ZM)', roleCode: ROLES.DD_ZM },
            { email: 'zbh@royalenfield.com', fullName: 'Zonal Head (ZBH)', roleCode: ROLES.ZBH },
            { email: 'ddhead@royalenfield.com', fullName: 'Vikram Singh (DD Head)', roleCode: ROLES.DD_HEAD }
        ];

        for (const u of users) {
            const user = await User.create({
                ...u,
                password: hashedPassword,
                status: 'active'
            });
            const role = await Role.findOne({ where: { roleCode: u.roleCode } });
            if (role) {
                // Map assignments based on role category (Regional vs Granular)
                const isRegionalRole = [ROLES.RBM, ROLES.DD_ZM, ROLES.ZBH].includes(u.roleCode as any);
                const isGranularRole = [ROLES.ASM].includes(u.roleCode as any);
                const managerCode = await resolveManagerCode(role.id, u.roleCode as string, null);

                await UserRole.create({
                    userId: user.id,
                    roleId: role.id,
                    isActive: true,
                    isPrimary: true,
                    zoneId: isRegionalRole || isGranularRole ? zone.id : null,
                    regionId: isRegionalRole ? region.id : null,
                    districtId: isGranularRole ? district.id : null,
                    managerCode
                });
            }
        }
        console.log('✅ Standard Users seeded.');

        // 5. Seed a Dealer record for testing
        const { Application, Dealer, Outlet } = db;
        const dealerUser = await User.findOne({ where: { email: 'dealer@royalenfield.com' } });
        
        if (dealerUser) {
            // First create a mandatory Application as per model constraints
            // We use 'Approved' stage and 'Onboarded' status to simulate a completed onboarding
            const [application] = await Application.findOrCreate({
                where: { applicationId: 'APP-STABLE-001' },
                defaults: {
                    applicationId: 'APP-STABLE-001',
                    applicantName: dealerUser.fullName,
                    email: dealerUser.email,
                    phone: '9876543210',
                    businessType: 'Dealership',
                    userId: dealerUser.id,
                    currentStage: APPLICATION_STAGES.APPROVED,
                    overallStatus: APPLICATION_STATUS.ONBOARDED,
                    progressPercentage: 100,
                    isShortlisted: true
                }
            });

            const dealer = await Dealer.create({
                applicationId: application.id,
                legalName: 'Dealer One Motors Private Limited',
                businessName: 'Dealer One Motors',
                constitutionType: 'Private Limited',
                dealerCode: 'D001',
                status: 'Active',
                onboardedAt: new Date()
            });

            // Update user to link to dealer profile
            await dealerUser.update({ dealerId: dealer.id });

            await db.Outlet.create({
                dealerId: dealer.id, 
                name: 'Main Outlet',
                code: 'O001',
                type: 'Dealership',
                address: '123, MG Road, South Delhi',
                city: 'Delhi',
                state: 'Delhi',
                pincode: '110001',
                establishedDate: '2020-01-01',
                districtId: district.id,
                status: 'Active'
            });
        }
        console.log('✅ Test Application, Dealer & Outlet created.');

        console.log('--- SYSTEM READY FOR OFFBOARDING TESTING ---');
        process.exit(0);
    } catch (error) {
        console.error('❌ Reset failed:', error);
        process.exit(1);
    }
}

masterReset();