import fs from 'fs';

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

const EMAILS = {
    DD_ADMIN: 'lince@gmail.com',
    DEALER: 'dealer@royalenfield.com',
    ASM: 'asm.sdelhi@royalenfield.com',
    RBM: 'rbm.ncr@royalenfield.com',
    ZBH: 'yashwin@gmail.com',
    DD_LEAD: 'ddlead@royalenfield.com',
    NBH: 'nbh@royalenfield.com',
    LEGAL: 'legal@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: (email === 'dealer@royalenfield.com' ? 'Admin@123' : PASSWORD) });
    return data.token;
}

const delay = (ms = 500) => new Promise(res => setTimeout(res, ms));

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

        const adminToken = await login(EMAILS.DD_ADMIN);
        const appsRes = await apiRequest('/onboarding/applications', 'GET', null, adminToken);
        const targetApp = appsRes.data.find(a => a.status === 'Onboarded') || appsRes.data[0];

        if (!targetApp) throw new Error('No onboarded applications found for resignation test.');
        
        console.log(`Targeting Application: ${targetApp.applicantName} (${targetApp.id}) - Email: ${targetApp.email}`);
        
        // 1.0 Login as the Dealer
        console.log(`[STEP 1.0] Logging in as Dealer (${targetApp.email})...`);
        const dealerData = await apiRequest('/auth/login', 'POST', { 
            email: targetApp.email, 
            password: 'Dealer@123' // Standard default password from onboarding
        });
        const dealerToken = dealerData.token;
        
        // 1.1 Discover Dealer's Outlet
        console.log(`[STEP 1.1] Discovering Outlets for Dealer...`);
        const dealerDashboard = await apiRequest('/dealers/dashboard', 'GET', null, dealerToken);
        const targetOutlet = dealerDashboard.data.outlets[0];
        
        if (!targetOutlet) throw new Error('No outlets found for this dealer. Ensure they are fully onboarded.');
        console.log(`Found Target Outlet: ${targetOutlet.name} (${targetOutlet.code})`);

        console.log(`[STEP 1.2] Dealer Submitting Resignation for Outlet...`);
        const createRes = await apiRequest('/self-service/resignations', 'POST', {
            outletId: targetOutlet.id,
            resignationType: 'Voluntary',
            lastOperationalDateSales: new Date().toISOString().split('T')[0],
            lastOperationalDateServices: new Date().toISOString().split('T')[0],
            reason: 'Focusing on other business ventures',
            remarks: 'Initiating voluntary resignation for E2E validation.'
        }, dealerToken);

        const resignationId = createRes.resignation.id;
        console.log(`[STEP 1] Resignation Created. ID: ${resignationId}`);

        const approvals = [
            { name: 'ASM', email: EMAILS.ASM },
            { name: 'RBM', email: EMAILS.RBM },
            { name: 'ZBH', email: EMAILS.ZBH },
            { name: 'DD Lead', email: EMAILS.DD_LEAD },
            { name: 'NBH', email: EMAILS.NBH },
            { name: 'DD Admin', email: EMAILS.DD_ADMIN },
            { name: 'Legal Admin', email: EMAILS.LEGAL }
        ];

        let currentStep = 2;
        for (const actor of approvals) {
            console.log(`[STEP ${currentStep}] ${actor.name} (${actor.email}) approving...`);
            const token = await login(actor.email);
            const res = await apiRequest(`/self-service/resignations/${resignationId}/approve`, 'PUT', {
                remarks: `${actor.name} approved the resignation request.`
            }, token);
            console.log(`[STEP ${currentStep}] ${actor.name} Result: ${res.message}`);
            currentStep++;
            await delay(500);
        }

        console.log('[FINAL STEP] Verifying Acceptance Status...');
        const finalRes = await apiRequest(`/self-service/resignations/${resignationId}`, 'GET', null, adminToken);
        console.log(`Final Stage: ${finalRes.resignation.currentStage}`);
        console.log(`Final Status: ${finalRes.resignation.status}`);

        console.log('\n--- VERIFICATION SUCCESSFUL ---');
        console.log('Outcome: RESIGNATION ACCEPTED BY ALL STAKEHOLDERS (Includng Legal).');
        process.exit(0);

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

run();