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'
};

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));

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(Date.now() + 30 * 24 * 60 * 60 * 1000).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 },
            { name: 'ZBH Review', email: EMAILS.ZBH },
            { name: 'DD Lead Review', email: EMAILS.DD_LEAD },
            { name: 'Legal Verification', email: EMAILS.LEGAL },
            { name: 'NBH Evaluation', email: EMAILS.NBH },
            { name: 'SCN Issued', email: EMAILS.NBH },
            { name: 'Personal Hearing Outcome', email: EMAILS.DD_LEAD },
            { name: 'NBH Final Approval', email: EMAILS.NBH },
            { name: 'CCO Approval', email: EMAILS.CCO },
            { name: 'CEO Final Approval', email: EMAILS.CEO },
            { name: 'Legal Termination Letter', email: EMAILS.LEGAL }
        ];

        let currentStep = 2;
        for (const actor of approvals) {
            console.log(`[STEP ${currentStep}] ${actor.name} (${actor.email}) processing approval...`);
            const token = await login(actor.email);
            await apiRequest(`/termination/${terminationId}/status`, 'PUT', {
                action: 'approve',
                remarks: `${actor.name} verification completed.`
            }, token);
            console.log(`[STEP ${currentStep}] ${actor.name} Result: SUCCESS`);
            currentStep++;
            await delay(500);
        }

        console.log('[FINAL STEP] Verifying Terminated Status...');
        const finalDetails = await apiRequest(`/termination/${terminationId}`, 'GET', null, adminToken);
        console.log(`Final Stage REACHED: ${finalDetails.termination.currentStage}`);
        
        console.log('\n--- VERIFICATION SUCCESSFUL ---');
        console.log('Role Participation: LEGAL TEAM, CCO, and CEO roles verified.');
        console.log('Outcome: DEALER TERMINATED SUCCESSFULLY');
        process.exit(0);

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

run();