{% extends "base.html" %}
{% block title %}Scan Module{% endblock %}
{% block head %}
<link rel="stylesheet" href="{{ url_for('static', filename='css/scan.css') }}">
<style>
    .error-message {
        color: #ff4444;
        font-size: 0.9em;
        margin-top: 5px;
        display: none;
    }
    .error-message.show {
        display: block;
    }
</style>
<script>
document.addEventListener('DOMContentLoaded', function() {
    const operatorCodeInput = document.getElementById('operator_code');
    const cpCodeInput = document.getElementById('cp_code');
    const oc1CodeInput = document.getElementById('oc1_code');
    const oc2CodeInput = document.getElementById('oc2_code');
    const defectCodeInput = document.getElementById('defect_code');
    const form = document.querySelector('.form-centered');
    
    // Load saved operator codes from localStorage (only Quality Operator Code)
    function loadSavedCodes() {
        const savedOperatorCode = localStorage.getItem('scan_operator_code');
        
        if (savedOperatorCode) {
            operatorCodeInput.value = savedOperatorCode;
        }
    }
    
    // Save operator codes to localStorage (only Quality Operator Code)
    function saveCodes() {
        if (operatorCodeInput.value.startsWith('OP')) {
            localStorage.setItem('scan_operator_code', operatorCodeInput.value);
        }
    }
    
    // Clear saved codes from localStorage (only Quality Operator Code)
    function clearSavedCodes() {
        localStorage.removeItem('scan_operator_code');
        operatorCodeInput.value = '';
        showSuccessMessage('Quality Operator code cleared!');
        operatorCodeInput.focus();
    }
    
    // Show success message
    function showSuccessMessage(message) {
        const successDiv = document.createElement('div');
        successDiv.className = 'success-message';
        successDiv.textContent = message;
        successDiv.style.cssText = `
            position: fixed;
            top: 20px;
            right: 20px;
            background: #4CAF50;
            color: white;
            padding: 15px 20px;
            border-radius: 4px;
            z-index: 1000;
            font-weight: bold;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        `;
        document.body.appendChild(successDiv);
        
        setTimeout(() => {
            if (document.body.contains(successDiv)) {
                document.body.removeChild(successDiv);
            }
        }, 3000);
    }
    
    // Load saved codes on page load
    loadSavedCodes();
    
    // Focus on the first empty field
    setTimeout(() => {
        if (!operatorCodeInput.value) {
            operatorCodeInput.focus();
        } else if (!cpCodeInput.value) {
            cpCodeInput.focus();
        } else if (!oc1CodeInput.value) {
            oc1CodeInput.focus();
        } else if (!oc2CodeInput.value) {
            oc2CodeInput.focus();
        } else {
            defectCodeInput.focus();
        }
    }, 100);
    
    // Create error message element for operator code
    const operatorErrorMessage = document.createElement('div');
    operatorErrorMessage.className = 'error-message';
    operatorErrorMessage.id = 'operator-error';
    operatorErrorMessage.textContent = 'Please scan Quality Operator code (must start with OP)';
    operatorCodeInput.parentNode.insertBefore(operatorErrorMessage, operatorCodeInput.nextSibling);
    
    // Create error message element for CP code
    const cpErrorMessage = document.createElement('div');
    cpErrorMessage.className = 'error-message';
    cpErrorMessage.id = 'cp-error';
    cpErrorMessage.textContent = 'Please scan a valid CP';
    cpCodeInput.parentNode.insertBefore(cpErrorMessage, cpCodeInput.nextSibling);
    
    // Create error message element for OC1 code
    const oc1ErrorMessage = document.createElement('div');
    oc1ErrorMessage.className = 'error-message';
    oc1ErrorMessage.id = 'oc1-error';
    oc1ErrorMessage.textContent = 'Please scan a valid OC (must start with OC)';
    oc1CodeInput.parentNode.insertBefore(oc1ErrorMessage, oc1CodeInput.nextSibling);
    
    // Create error message element for OC2 code
    const oc2ErrorMessage = document.createElement('div');
    oc2ErrorMessage.className = 'error-message';
    oc2ErrorMessage.id = 'oc2-error';
    oc2ErrorMessage.textContent = 'Please scan a valid OC (must start with OC)';
    oc2CodeInput.parentNode.insertBefore(oc2ErrorMessage, oc2CodeInput.nextSibling);
    
    // Create error message element for defect code
    const defectErrorMessage = document.createElement('div');
    defectErrorMessage.className = 'error-message';
    defectErrorMessage.id = 'defect-error';
    defectErrorMessage.textContent = 'Defect code must be a 3-digit number (e.g., 000, 001, 123)';
    defectCodeInput.parentNode.insertBefore(defectErrorMessage, defectCodeInput.nextSibling);
    
    // Validate operator code on input
    operatorCodeInput.addEventListener('input', function() {
        const value = this.value.toUpperCase();
        this.value = value;
        
        if (value.length >= 2 && !value.startsWith('OP')) {
            operatorErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OP');
        } else {
            operatorErrorMessage.classList.remove('show');
            this.setCustomValidity('');
        }
    });
    
    // Prevent leaving operator code field if invalid
    operatorCodeInput.addEventListener('blur', function(e) {
        if (this.value.length > 0 && !this.value.startsWith('OP')) {
            operatorErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OP');
            setTimeout(() => {
                this.focus();
                this.select();
            }, 0);
        }
    });
    
    // Prevent Tab/Enter from moving to next field if operator code is invalid
    operatorCodeInput.addEventListener('keydown', function(e) {
        if ((e.key === 'Tab' || e.key === 'Enter') && this.value.length > 0 && !this.value.startsWith('OP')) {
            e.preventDefault();
            operatorErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OP');
            this.select();
        }
    });
    
    // Validate CP code on input
    cpCodeInput.addEventListener('input', function() {
        const value = this.value.toUpperCase();
        this.value = value;
        
        if (value.length >= 2 && !value.startsWith('CP')) {
            cpErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with CP');
        } else {
            cpErrorMessage.classList.remove('show');
            this.setCustomValidity('');
        }
    });
    
    // Prevent leaving CP code field if invalid
    cpCodeInput.addEventListener('blur', function(e) {
        if (this.value.length > 0 && !this.value.startsWith('CP')) {
            cpErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with CP');
            setTimeout(() => {
                this.focus();
                this.select();
            }, 0);
        }
    });
    
    // Prevent Tab/Enter from moving to next field if CP code is invalid
    cpCodeInput.addEventListener('keydown', function(e) {
        if ((e.key === 'Tab' || e.key === 'Enter') && this.value.length > 0 && !this.value.startsWith('CP')) {
            e.preventDefault();
            cpErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with CP');
            this.select();
        }
    });
    
    // Prevent focusing on CP code if operator code is invalid
    cpCodeInput.addEventListener('focus', function(e) {
        if (operatorCodeInput.value.length > 0 && !operatorCodeInput.value.startsWith('OP')) {
            e.preventDefault();
            operatorErrorMessage.classList.add('show');
            operatorCodeInput.focus();
            operatorCodeInput.select();
        }
    });
    
    // Prevent focusing on OC1 code if CP code is invalid
    oc1CodeInput.addEventListener('focus', function(e) {
        if (cpCodeInput.value.length > 0 && !cpCodeInput.value.startsWith('CP')) {
            e.preventDefault();
            cpErrorMessage.classList.add('show');
            cpCodeInput.focus();
            cpCodeInput.select();
        }
    });
    
    // Validate OC1 code on input
    oc1CodeInput.addEventListener('input', function() {
        const value = this.value.toUpperCase();
        this.value = value;
        
        if (value.length >= 2 && !value.startsWith('OC')) {
            oc1ErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OC');
        } else {
            oc1ErrorMessage.classList.remove('show');
            this.setCustomValidity('');
        }
    });
    
    // Prevent leaving OC1 code field if invalid
    oc1CodeInput.addEventListener('blur', function(e) {
        if (this.value.length > 0 && !this.value.startsWith('OC')) {
            oc1ErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OC');
            setTimeout(() => {
                this.focus();
                this.select();
            }, 0);
        }
    });
    
    // Prevent Tab/Enter from moving to next field if OC1 code is invalid
    oc1CodeInput.addEventListener('keydown', function(e) {
        if ((e.key === 'Tab' || e.key === 'Enter') && this.value.length > 0 && !this.value.startsWith('OC')) {
            e.preventDefault();
            oc1ErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OC');
            this.select();
        }
    });
    
    // Prevent focusing on OC2 code if CP code is invalid
    oc2CodeInput.addEventListener('focus', function(e) {
        if (cpCodeInput.value.length > 0 && !cpCodeInput.value.startsWith('CP')) {
            e.preventDefault();
            cpErrorMessage.classList.add('show');
            cpCodeInput.focus();
            cpCodeInput.select();
        }
        // Also check if OC1 is invalid
        if (oc1CodeInput.value.length > 0 && !oc1CodeInput.value.startsWith('OC')) {
            e.preventDefault();
            oc1ErrorMessage.classList.add('show');
            oc1CodeInput.focus();
            oc1CodeInput.select();
        }
    });
    
    // Validate OC2 code on input
    oc2CodeInput.addEventListener('input', function() {
        const value = this.value.toUpperCase();
        this.value = value;
        
        if (value.length >= 2 && !value.startsWith('OC')) {
            oc2ErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OC');
        } else {
            oc2ErrorMessage.classList.remove('show');
            this.setCustomValidity('');
        }
    });
    
    // Prevent leaving OC2 code field if invalid
    oc2CodeInput.addEventListener('blur', function(e) {
        if (this.value.length > 0 && !this.value.startsWith('OC')) {
            oc2ErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OC');
            setTimeout(() => {
                this.focus();
                this.select();
            }, 0);
        }
    });
    
    // Prevent Tab/Enter from moving to next field if OC2 code is invalid
    oc2CodeInput.addEventListener('keydown', function(e) {
        if ((e.key === 'Tab' || e.key === 'Enter') && this.value.length > 0 && !this.value.startsWith('OC')) {
            e.preventDefault();
            oc2ErrorMessage.classList.add('show');
            this.setCustomValidity('Must start with OC');
            this.select();
        }
    });
    
    // Prevent focusing on defect code if CP code is invalid
    defectCodeInput.addEventListener('focus', function(e) {
        if (cpCodeInput.value.length > 0 && !cpCodeInput.value.startsWith('CP')) {
            e.preventDefault();
            cpErrorMessage.classList.add('show');
            cpCodeInput.focus();
            cpCodeInput.select();
        }
        // Also check if OC1 is invalid
        if (oc1CodeInput.value.length > 0 && !oc1CodeInput.value.startsWith('OC')) {
            e.preventDefault();
            oc1ErrorMessage.classList.add('show');
            oc1CodeInput.focus();
            oc1CodeInput.select();
        }
        // Also check if OC2 is invalid
        if (oc2CodeInput.value.length > 0 && !oc2CodeInput.value.startsWith('OC')) {
            e.preventDefault();
            oc2ErrorMessage.classList.add('show');
            oc2CodeInput.focus();
            oc2CodeInput.select();
        }
    });
    
    // Validate defect code on input - only allow digits
    defectCodeInput.addEventListener('input', function() {
        // Remove any non-digit characters
        this.value = this.value.replace(/\D/g, '');
        
        // Validate if it's a valid 3-digit number when length is 3
        if (this.value.length === 3) {
            const isValid = /^\d{3}$/.test(this.value);
            if (!isValid) {
                defectErrorMessage.classList.add('show');
                this.setCustomValidity('Must be a 3-digit number');
            } else {
                defectErrorMessage.classList.remove('show');
                this.setCustomValidity('');
            }
        } else {
            defectErrorMessage.classList.remove('show');
            this.setCustomValidity('');
        }
        
        // Auto-submit when 3 characters are entered and all validations pass
        if (this.value.length === 3) {
            // Validate operator code before submitting
            if (!operatorCodeInput.value.startsWith('OP')) {
                operatorErrorMessage.classList.add('show');
                operatorCodeInput.focus();
                operatorCodeInput.setCustomValidity('Must start with OP');
                return;
            }
            
            // Validate CP code before submitting
            if (!cpCodeInput.value.startsWith('CP')) {
                cpErrorMessage.classList.add('show');
                cpCodeInput.focus();
                cpCodeInput.setCustomValidity('Must start with CP');
                return;
            }
            
            // Validate OC1 code before submitting
            if (!oc1CodeInput.value.startsWith('OC')) {
                oc1ErrorMessage.classList.add('show');
                oc1CodeInput.focus();
                oc1CodeInput.setCustomValidity('Must start with OC');
                return;
            }
            
            // Validate OC2 code before submitting
            if (!oc2CodeInput.value.startsWith('OC')) {
                oc2ErrorMessage.classList.add('show');
                oc2CodeInput.focus();
                oc2CodeInput.setCustomValidity('Must start with OC');
                return;
            }
            
            // Validate defect code is a valid 3-digit number
            const isValidDefectCode = /^\d{3}$/.test(this.value);
            if (!isValidDefectCode) {
                defectErrorMessage.classList.add('show');
                this.focus();
                this.setCustomValidity('Must be a 3-digit number');
                return;
            }
            
            // Update time field before submitting
            const timeInput = document.getElementById('time');
            const now = new Date();
            const hours = String(now.getHours()).padStart(2, '0');
            const minutes = String(now.getMinutes()).padStart(2, '0');
            const seconds = String(now.getSeconds()).padStart(2, '0');
            timeInput.value = `${hours}:${minutes}:${seconds}`;
            
            // Save operator codes before submitting
            saveCodes();
            
            // Submit the form
            form.submit();
            
            // Clear CP, OC1, OC2, and defect code fields after successful submission
            setTimeout(() => {
                cpCodeInput.value = '';
                oc1CodeInput.value = '';
                oc2CodeInput.value = '';
                defectCodeInput.value = '';
                showSuccessMessage('Scan submitted successfully!');
                cpCodeInput.focus();
            }, 100);
        }
    });
    
    // Validate form on submit
    form.addEventListener('submit', function(e) {
        let hasError = false;
        
        if (!operatorCodeInput.value.startsWith('OP')) {
            e.preventDefault();
            operatorErrorMessage.classList.add('show');
            operatorCodeInput.setCustomValidity('Must start with OP');
            if (!hasError) {
                operatorCodeInput.focus();
                hasError = true;
            }
        }
        
        if (!cpCodeInput.value.startsWith('CP')) {
            e.preventDefault();
            cpErrorMessage.classList.add('show');
            cpCodeInput.setCustomValidity('Must start with CP');
            if (!hasError) {
                cpCodeInput.focus();
                hasError = true;
            }
        }
        
        if (!oc1CodeInput.value.startsWith('OC')) {
            e.preventDefault();
            oc1ErrorMessage.classList.add('show');
            oc1CodeInput.setCustomValidity('Must start with OC');
            if (!hasError) {
                oc1CodeInput.focus();
                hasError = true;
            }
        }
        
        if (!oc2CodeInput.value.startsWith('OC')) {
            e.preventDefault();
            oc2ErrorMessage.classList.add('show');
            oc2CodeInput.setCustomValidity('Must start with OC');
            if (!hasError) {
                oc2CodeInput.focus();
                hasError = true;
            }
        }
        
        // Validate defect code is a 3-digit number
        const isValidDefectCode = /^\d{3}$/.test(defectCodeInput.value);
        if (!isValidDefectCode) {
            e.preventDefault();
            defectErrorMessage.classList.add('show');
            defectCodeInput.setCustomValidity('Must be a 3-digit number');
            if (!hasError) {
                defectCodeInput.focus();
                hasError = true;
            }
        }
    });
});
</script>
{% endblock %}
{% block content %}
<div class="scan-container">
    <!-- Input Form Card -->
    <div class="card scan-form-card">
        <h3>Scan Input</h3>
        <form method="POST" class="form-centered">
            <label for="operator_code">Quality Operator Code:</label>
            <input type="text" id="operator_code" name="operator_code" maxlength="4" required>

            <label for="cp_code">CP Code:</label>
            <input type="text" id="cp_code" name="cp_code" maxlength="15" required>

            <label for="oc1_code">OC1 Code:</label>
            <input type="text" id="oc1_code" name="oc1_code" maxlength="4" required>

            <label for="oc2_code">OC2 Code:</label>
            <input type="text" id="oc2_code" name="oc2_code" maxlength="4" required>

            <label for="defect_code">Defect Code:</label>
            <input type="text" id="defect_code" name="defect_code" maxlength="4" required>

            <label for="date">Date:</label>
            <input type="text" id="date" name="date" value="{{ now().strftime('%Y-%m-%d') }}" placeholder="yyyy-mm-dd" pattern="\d{4}-\d{2}-\d{2}" required>

            <label for="time">Time:</label>
            <input type="text" id="time" name="time" value="{{ now().strftime('%H:%M:%S') }}" readonly>

            <button type="submit" class="btn">Submit</button>
            <button type="button" class="btn btn-secondary" onclick="clearSavedCodes()" style="margin-top: 10px; background-color: #6c757d;">Clear Quality Operator</button>
        </form>
    </div>

    <!-- Latest Scans Card -->
    <div class="card scan-table-card">
        <h3>Latest Scans</h3>
        <table class="scan-table">
            <thead>
                <tr>
                    <th>ID</th>
                    <th>Op Code</th>
                    <th>CP Code</th>
                    <th>OC1 Code</th>
                    <th>OC2 Code</th>
                    <th>Defect Code</th>
                    <th>Date</th>
                    <th>Time</th>
                    <th>Apr. Quantity</th>
                    <th>Rejec. Quantity</th>
                </tr>
            </thead>
            <tbody>
                {% for row in scan_data %}
                <tr>
                    <td>{{ row[0] }}</td> <!-- Id -->
                    <td>{{ row[1] }}</td> <!-- operator_code -->
                    <td>{{ row[2] }}</td> <!-- CP_full_code -->
                    <td>{{ row[3] }}</td> <!-- OC1_code -->
                    <td>{{ row[4] }}</td> <!-- OC2_code -->
                    <td>{{ row[5] }}</td> <!-- quality_code -->
                    <td>{{ row[6] }}</td> <!-- date -->
                    <td>{{ row[7] }}</td> <!-- time -->
                    <td>{{ row[8] }}</td> <!-- approved_quantity -->
                    <td>{{ row[9] }}</td> <!-- rejected_quantity -->
                </tr>
                {% endfor %}
            </tbody>
        </table>
    </div>
</div>
{% endblock %}