import fs from 'fs';

const BASE_URL = 'http://localhost:5000/api';
const PASSWORD = 'Admin@123';

const EMAILS = {
    DD_ADMIN: 'lince@gmail.com',
    ASM: 'asm.sdelhi@royalenfield.com',
    RBM: 'rbm.ncr@royalenfield.com',
    ZBH: 'yashwin@gmail.com',
    DD_LEAD: 'ddlead@royalenfield.com',
    LEGAL: 'legal@royalenfield.com',
    NBH: 'nbh@royalenfield.com',
    CCO: 'cco@royalenfield.com',
    CEO: 'ceo@royalenfield.com',
    SALES: 'sales@royalenfield.com',
    SERVICE: 'service@royalenfield.com',
    SPARES: 'spares@royalenfield.com',
    ACCOUNTS: 'accounts@royalenfield.com',
    WARRANTY: 'warranty@royalenfield.com',
    MARKETING: 'marketing@royalenfield.com',
    HR: 'hr@royalenfield.com',
    IT: 'it@royalenfield.com',
    LOGISTICS: 'logistics@royalenfield.com',
    QUALITY: 'quality@royalenfield.com',
    APPAREL: 'apparel@royalenfield.com',
    DMS: 'dms@royalenfield.com'
};

async function apiRequest(endpoint, method = 'GET', body = null, token = null) {
    const headers = { 'Content-Type': 'application/json' };
    if (token) headers['Authorization'] = `Bearer ${token}`;

    const config = { method, headers };
    if (body) config.body = JSON.stringify(body);

    const response = await fetch(`${BASE_URL}${endpoint}`, config);
    const data = await response.json();

    if (!response.ok) {
        throw new Error(`API Error ${method} ${endpoint}: ${JSON.stringify(data)}`);
    }
    return data;
}

async function login(email) {
    const data = await apiRequest('/auth/login', 'POST', { email, password: PASSWORD });
    return data.token;
}

const delay = (ms = 500) => new Promise(res => setTimeout(res, ms));
const log = (step, msg) => console.log(`[STEP ${step}] ${msg}`);

async function run() {
    try {
        console.log('--- STARTING DEALER TERMINATION E2E FLOW ---');

        const adminToken = await login(EMAILS.DD_ADMIN);
        const dealersRes = await apiRequest('/dealer', 'GET', null, adminToken);
        const targetDealer = dealersRes.data[0];
        
        if (!targetDealer) throw new Error('No dealer profiles found for termination test. Run seed first.');
        
        console.log(`Targeting Dealer: ${targetDealer.legalName} (${targetDealer.id})`);

        // STEP 1: Submission (ASM)
        console.log('[STEP 1] ASM Initiating Termination...');
        const asmToken = await login(EMAILS.ASM);
        const createRes = await apiRequest('/termination', 'POST', {
            dealerId: targetDealer.id,
            category: 'Performance',
            reason: 'Consistently failed to meet commitment targets.',
            proposedLwd: new Date().toISOString(),
            comments: 'Auto termination for testing flow ending with Legal Team, CCO, CEO.'
        }, asmToken);

        const terminationId = createRes.termination.id;
        console.log(`[STEP 1] Termination Request Created. ID: ${terminationId}`);

        const approvals = [
            { name: 'RBM Review', email: EMAILS.RBM, remarks: 'Performance concerns validated on-ground. Proceed with termination.' },
            { name: 'ZBH Review', email: EMAILS.ZBH, remarks: 'Strategic decision aligned with regional growth targets. Approved.' },
            { name: 'DD Lead Review', email: EMAILS.DD_LEAD, remarks: 'Contractual breaches documented. Verified.' },
            { name: 'Legal Verification', email: EMAILS.LEGAL, remarks: 'Legal audit complete. Case is legally sound.' },
            { name: 'DD Head Review', email: EMAILS.NBH, remarks: 'Strategic impact assessed. Proceeding with SCN approval.' },
            { name: 'NBH Evaluation', email: EMAILS.NBH, remarks: 'Functional teams aligned. SCN to be issued.' },
            { name: 'SCN Issued', email: EMAILS.NBH, remarks: 'Show Cause Notice formally dispatched.' },
            { name: 'Personal Hearing Outcome', email: EMAILS.DD_LEAD, remarks: 'Hearing completed. Dealer defense not sufficient.' },
            { name: 'NBH Final Approval', email: EMAILS.NBH, remarks: 'Final recommendation for termination sent to CEO.' },
            { name: 'CCO Approval', email: EMAILS.CCO, remarks: 'Commercial impact assessed. Approved.' },
            { name: 'CEO Final Approval', email: EMAILS.CEO, remarks: 'Final authorization granted. Issue termination letter.' },
            { name: 'Legal Termination Letter', email: EMAILS.LEGAL, remarks: 'Termination letter shared via registered mail.' },
            { name: 'Final Terminated Status', email: EMAILS.DD_ADMIN, remarks: 'Closure completed.' }
        ];


        let currentStep = 2;
        for (const actor of approvals) {
            log(currentStep, `${actor.name} (${actor.email}) processing approval...`);
            const token = await login(actor.email);
            await apiRequest(`/termination/${terminationId}/status`, 'PUT', {
                action: 'approve',
                remarks: actor.remarks
            }, token);
            log(currentStep, `${actor.name} Result: SUCCESS`);
            currentStep++;
            await delay();
        }

        // --- NEW: F&F CLEARANCE LOOP (16 DEPARTMENTS) ---
        log(13, 'Starting 16-Department F&F Clearance Flow for Termination...');
        const terminationData = await apiRequest(`/termination/${terminationId}`, 'GET', null, adminToken);
        const fnfId = terminationData.termination.fnfSettlement?.id;
        
        if (!fnfId) {
            log('SKIP', 'FnF Settlement not initialized for this termination case.');
        } else {
            const departments = [
                { name: 'Warranty Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No pending claims.' },
                { name: 'Accessories Department', status: 'Dues', amount: 15000, type: 'Recovery', remarks: 'Shortage in accessory stock.' },
                { name: 'Sales Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'Allocations transferred.' },
                { name: 'RTO Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No dues.' },
                { name: 'Service Department', status: 'Dues', amount: 8000, type: 'Recovery', remarks: 'Loaner vehicle damange charges.' },
                { name: 'Parts Department', status: 'Dues', amount: 20000, type: 'Payable', remarks: 'Return parts credit.' },
                { name: 'Finance Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No interest dues.' },
                { name: 'Insurance Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No dues.' },
                { name: 'Inventory Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'Inventory handed over.' },
                { name: 'Marketing Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No dues.' },
                { name: 'HR Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'Staff settlement clear.' },
                { name: 'IT Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'Hardware recovered.' },
                { name: 'Legal Department', status: 'Dues', amount: 50000, type: 'Recovery', remarks: 'Litigation cost recovery as per agreement.' },
                { name: 'Quality Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No dues.' },
                { name: 'Logistics Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No dues.' },
                { name: 'Customer Relations Department', status: 'Cleared', amount: 0, type: 'Recovery', remarks: 'No dues.' }
            ];

            for (const dept of departments) {
                log('13.1', `Clearing Dept: ${dept.name} [${dept.status}] - ${dept.remarks}`);
                await apiRequest(`/termination/${terminationId}/clearance`, 'PUT', { 
                    department: dept.name,
                    status: dept.status,
                    remarks: dept.remarks,
                    amount: dept.amount,
                    type: dept.type
                }, adminToken);
                await delay(100); 
            }
            log(13, 'All 16 Departments Cleared for Termination.');
            await delay();
        }


        console.log('[FINAL STEP] Verifying Terminated Status & Account Deactivation...');
        const finalDetails = await apiRequest(`/termination/${terminationId}`, 'GET', null, adminToken);
        console.log(`Final Stage REACHED: ${finalDetails.termination.currentStage}`);
        
        // Fetch user data to verify deactivation
        const userRes = await apiRequest(`/admin/users`, 'GET', null, adminToken);
        const dealerUser = userRes.data.find(u => u.dealerId === targetDealer.id);
        
        if (dealerUser && !dealerUser.isActive && dealerUser.status === 'deactivated') {
            console.log(`[VERIFICATION] Account ${dealerUser.email} successfully DEACTIVATED.`);
        } else {
            console.error(`[VERIFICATION] Failed: Account ${dealerUser?.email} is still active. Status: ${dealerUser?.status}`);
            throw new Error('Automated account deactivation check failed.');
        }

        console.log('\n--- VERIFICATION SUCCESSFUL ---');
        console.log('Outcome: DEALER TERMINATED & PORTAL ACCESS REVOKED');
        process.exit(0);

    } catch (error) {
        console.error('Workflow failed:', error.message);
        process.exit(1);
    }
}

run();