{% extends 'base.html' %}

{% block title %}User List{% endblock %}

{% block content %}
    <h1>User List</h1>

    {% for username, attributes in grouped_users.items() %}
        <table border="1">
            <thead>
                <tr>
                    <th>User Name</th>
                    <th>Attributes</th>
                    <th>Op</th>
                    <th>Value</th>
                    <th>Actions</th>
                </tr>
            </thead>
            <tbody>
                <tr>
                    <td>
                        <input type="text" id="username-{{ username }}" value="{{ username }}">
                    </td>
                    <td colspan="3" class="merged-cell">
                        <button onclick="addUserRow('{{ username }}')">➕</button>
                    </td>
                    <td>
                        <button onclick="updateUserName('{{ username }}')">✅ Rename User</button>
                        <button onclick="location.reload()">❌</button>
                        <a href="/delete_user_rows/{{ username }}" onclick="saveScrollPosition()">🗑️</a>
                        <button onclick="duplicateUser('{{ username }}')">Duplicate</button>
                    </td>
                </tr>
                {% for attribute in attributes %}
                    <tr>
                        <td class="merged-cell"></td>
                        <td><input type="text" id="attribute-{{ attribute.id }}" value="{{ attribute.attribute }}"></td>
                        <td>
                            <select id="op-{{ attribute.id }}">
                                <option value="=" ${attribute.op === '=' ? 'selected' : ''}>=</option>
                                <option value="!=" ${attribute.op === '!=' ? 'selected' : ''}>!=</option>
                                <option value=">" ${attribute.op === '>' ? 'selected' : ''}>></option>
                                <option value="<" ${attribute.op === '<' ? 'selected' : ''}><</option>
                                <option value=">=" ${attribute.op === '>=' ? 'selected' : ''}>>=</option>
                                <option value="<=" ${attribute.op === '<=' ? 'selected' : ''}><=</option>
                            </select>
                        </td>
                        <td><input type="text" id="value-{{ attribute.id }}" value="{{ attribute.value }}"></td>
                        <td>
                            <button onclick="updateAttribute('{{ attribute.id }}')">✅</button>
                            <button onclick="location.reload()">❌</button>
                            <a href="/delete_user/{{ attribute.id }}" onclick="saveScrollPosition()">🗑️</a>
                        </td>
                    </tr>
                {% endfor %}
            </tbody>
        </table>
    {% endfor %}

    <table border="1">
        <thead>
            <tr>
                <th>User Name</th>
                <th>Attributes</th>
                <th>Op</th>
                <th>Value</th>
                <th>Actions</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>
                    <input type="text" id="new-username" value="">
                </td>
                <td colspan="3" class="merged-cell"></td>
                <td>
                    <button onclick="addNewUser()">Add New User</button>
                </td>
            </tr>
        </tbody>
    </table>

    <dialog id="duplicate-dialog">
        <div id="duplicate-dialog-content"></div>
        <button id="close-dialog">❌</button>
        <button id="save-duplicated-user">Save</button>
    </dialog>

    <style>
        .merged-cell {
            border: none;
        }
    </style>

    <script>
        function updateAttribute(attributeId) {
            const attribute = document.getElementById(`attribute-${attributeId}`).value;
            const op = document.getElementById(`op-${attributeId}`).value;
            const value = document.getElementById(`value-${attributeId}`).value;

            fetch('/update_user_attribute', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `attributeId=${attributeId}&attribute=${attribute}&op=${op}&value=${value}`
            })
            .then(response => response.text())
            .then(data => {
                if (data === 'success') {
                    location.reload();
                } else {
                    alert('Error updating attribute: ' + data);
                }
            });
        }

        function updateUserName(oldUserName) {
            const newUserName = document.getElementById(`username-${oldUserName}`).value;

            fetch('/update_user_name', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `oldUserName=${oldUserName}&newUserName=${newUserName}`
            })
            .then(response => response.text())
            .then(data => {
                if (data === 'success') {
                    location.reload();
                } else {
                    alert('Error updating user name: ' + data);
                }
            });
        }

        function addUserRow(userName) {
            const table = event.target.closest('table').querySelector('tbody');
            const newRow = table.insertRow(table.rows.length);

            const cell1 = newRow.insertCell(0);
            const cell2 = newRow.insertCell(1);
            const cell3 = newRow.insertCell(2);
            const cell4 = newRow.insertCell(3);
            const cell5 = newRow.insertCell(4);

            cell1.classList.add('merged-cell');
            cell2.innerHTML = '<input type="text" id="new-attribute" value="">';
            cell3.innerHTML = `
                <select id="new-op">
                    <option value="=">=</option>
                    <option value="!=">!=</option>
                    <option value=">">></option>
                    <option value="<"><</option>
                    <option value=">=">>=</option>
                    <option value="<="><=</option>
                </select>
            `;
            cell4.innerHTML = '<input type="text" id="new-value" value="">';
            cell5.innerHTML = '<button onclick="saveNewUserRow(\'' + userName + '\', this)">✅</button> <button onclick="removeUserRow(this)">❌</button>';
        }

        function saveNewUserRow(userName, button) {
            const row = button.parentNode.parentNode;
            const attribute = row.querySelector('#new-attribute').value;
            const op = row.querySelector('#new-op').value;
            const value = row.querySelector('#new-value').value;

            fetch('/add_user_attribute', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `username=${userName}&attribute=${attribute}&op=${op}&value=${value}`
            })
            .then(response => response.text())
            .then(data => {
                if (data === 'success') {
                    location.reload();
                } else {
                    alert('Error adding attribute: ' + data);
                }
            });
        }

        function removeUserRow(button) {
            const row = button.parentNode.parentNode;
            row.parentNode.removeChild(row);
        }

        function addNewUser() {
            const newUserName = document.getElementById('new-username').value;

            fetch('/add_user', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `username=${newUserName}`
            })
            .then(response => response.text())
            .then(data => {
                if (data === 'success') {
                    location.reload();
                } else {
                    alert('Error adding user: ' + data);
                }
            });
        }

        function saveScrollPosition() {
            sessionStorage.setItem('scrollPosition', window.scrollY);
        }

        window.onload = function() {
            const scrollPosition = sessionStorage.getItem('scrollPosition');
            if (scrollPosition) {
                window.scrollTo(0, scrollPosition);
                sessionStorage.removeItem('scrollPosition');
            }
        }

        function duplicateUser(userName) {
            fetch('/duplicate_user', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/x-www-form-urlencoded',
                },
                body: `username=${userName}`
            })
            .then(response => response.json())
            .then(data => {
                const newUserName = 'Copy of ' + userName;
                let newTable = `<table border="1">
                    <thead>
                        <tr>
                            <th>User Name</th>
                            <th>Attributes</th>
                            <th>Op</th>
                            <th>Value</th>
                            <th>Actions</th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr>
                            <td>
                                <input type="text" id="new-username" value="${newUserName}">
                            </td>
                            <td colspan="3" class="merged-cell"></td>
                            <td></td>
                        </tr>`;

                data.forEach((attribute, index) => {
                    newTable += `<tr>
                        <td class="merged-cell"></td>
                        <td><input type="text" class="new-attribute" value="${attribute.attribute}"></td>
                        <td>
                            <select class="new-op">
                                <option value="=" ${attribute.op === '=' ? 'selected' : ''}>=</option>
                                <option value="!=" ${attribute.op === '!=' ? 'selected' : ''}>!=</option>
                                <option value=">" ${attribute.op === '>' ? 'selected' : ''}>></option>
                                <option value="<" ${attribute.op === '<' ? 'selected' : ''}><</option>
                                <option value=">=" ${attribute.op === '>=' ? 'selected' : ''}>>=</option>
                                <option value="<=" ${attribute.op === '<=' ? 'selected' : ''}><=</option>
                            </select>
                        </td>
                        <td><input type="text" class="new-value" value="${attribute.value}"></td>
                        <td><button onclick="removeDuplicatedUserRow(this)">🗑️</button></td>
                    </tr>`;
                });

                newTable += `<tr>
                    <td class="merged-cell"></td>
                    <td colspan="3">
                        <button onclick="addDuplicatedUserRow()">➕</button>
                    </td>
                    <td></td>
                </tr></tbody></table>`;

                document.getElementById('duplicate-dialog-content').innerHTML = newTable;
                document.getElementById('duplicate-dialog').showModal();
            });
        }

        document.getElementById('close-dialog').addEventListener('click', () => {
            document.getElementById('duplicate-dialog').close();
        });

        document.getElementById('save-duplicated-user').addEventListener('click', () => {
            saveDuplicatedUser();
        });

        function saveDuplicatedUser() {
            let rows = document.querySelectorAll('#duplicate-dialog-content table tbody tr');
            let username = rows[0].querySelector('#new-username').value;
            let attributes = [];
            for (let i = 1; i < rows.length - 1; i++) {
                const attributeInput = rows[i].querySelector(`.new-attribute`);
                const opInput = rows[i].querySelector(`.new-op`);
                const valueInput = rows[i].querySelector(`.new-value`);

                if (attributeInput && opInput && valueInput) {
                    attributes.push({
                        attribute: attributeInput.value,
                        op: opInput.value,
                        value: valueInput.value
                    });
                } else {
                    console.warn(`Input elements not found for row ${i}`);
                    return;
                }
            }

            fetch('/save_duplicated_user', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                },
                body: JSON.stringify({ username: username, attributes: attributes })
            })
            .then(response => response.text())
            .then(data => {
                if (data === 'success') {
                    document.getElementById('duplicate-dialog').close();
                    location.reload();
                } else {
                    alert('Error saving duplicated user: ' + data);
                }
            });
        }

        function addDuplicatedUserRow() {
            const table = document.querySelector('#duplicate-dialog-content table tbody');
            const newRow = table.insertRow(table.rows.length - 1);

            const cell1 = newRow.insertCell(0);
            const cell2 = newRow.insertCell(1);
            const cell3 = newRow.insertCell(2);
            const cell4 = newRow.insertCell(3);
            const cell5 = newRow.insertCell(4);

            cell1.classList.add('merged-cell');
            cell2.innerHTML = `<input type="text" class="new-attribute" value="">`;
            cell3.innerHTML = `
                <select class="new-op">
                    <option value="=">=</option>
                    <option value="!=">!=</option>
                    <option value=">">></option>
                    <option value="<"><</option>
                    <option value=">=">>=</option>
                    <option value="<="><=</option>
                </select>
            `;
            cell4.innerHTML = `<input type="text" class="new-value" value="">`;
            cell5.innerHTML = `<button onclick="removeDuplicatedUserRow(this)">🗑️</button>`;
        }

        function removeDuplicatedUserRow(button) {
            const row = button.parentNode.parentNode;
            row.parentNode.removeChild(row);
        }
    </script>
{% endblock %}