// Menu Highlight Scripts
const menuItems = document.getElementsByClassName('nav-link')
for(let i = 0; i < menuItems.length; i++) {
    if(menuItems[i].pathname == window.location.pathname) {
        menuItems[i].classList.add('active')
    }
}
const dropdownItems = document.getElementsByClassName('dropdown-item')
for(let i = 0; i< dropdownItems.length; i++) {
    if(dropdownItems[i].pathname == window.location.pathname) {
        dropdownItems[i].classList.add('active')
        $( "#" + dropdownItems[i].id ).closest( '.dropdown' ).find('.dropdown-toggle').addClass('active')
    }
}

// General Post Method Form Processing Script
$('form.form-post').submit(function(event) {
    
    var $form = $(this)
    var data = $form.serialize()
    var url = $(this).prop('action')
    var rel_success = $(this).data('rel-success')

    $.ajax({
        url: url,
        type: 'POST',
        data: data,
        dataType: 'json',
        success: function(response) {
            if (response.redirect_to) {
                window.location.href = response.redirect_to
            }
            else {
                window.location.href = rel_success
            }
        },
        error: function(response) {
            error_response(response)
        }
    })

    event.preventDefault()
})

// Form Upload Questions - Special case, needs to handle files.
$('form[name=form-upload-questions]').submit(function(event) {
    
    var $form = $(this)
    var data = new FormData($form[0])
    var file = $('input[name=data_file]')[0].files[0]
    data.append('file', file)

    $.ajax({
        url: window.location.pathname,
        type: 'POST',
        data: data,
        processData: false,
        contentType: false,
        success: function(response) {
            window.location.reload()
        },
        error: function(response) {
            error_response(response)
        }
    })

    event.preventDefault()
})

// Edit and Delete Test Button Handlers
$('.test-action').click(function(event) {
    
    let id = $(this).data('id')
    let action = $(this).data('action')

    if (action == 'delete' || action == 'start' || action == 'end') {
        $.ajax({
            url: `/admin/tests/edit/`,
            type: 'POST',
            data: JSON.stringify({'id': id, 'action': action}),
            contentType: 'application/json',
            success: function(response) {
                window.location.href = '/admin/tests/'
            },
            error: function(response){
                error_response(response)
            },
        })
    } else if (action == 'edit') {
        window.location.href = `/admin/test/${id}/`
    } else if (action == 'analyse') {
        $.ajax({
            url: `/admin/analysis/`,
            type: 'POST',
            data: JSON.stringify({'id': id, 'class': 'test'}),
            contentType: 'application/json',
            success: function(response) {
                window.location.href = response
            },
            error: function(response){
                error_response(response)
            },
        })
    }

    event.preventDefault()
})

// Edit Dataset Button Handlers
$('.edit-question-dataset').click(function(event) {
    
    var id = $(this).data('id')
    var action = $(this).data('action')
    var disabled = $(this).hasClass('disabled')

    if ( !disabled ) {
        if (action == 'delete') {
            $.ajax({
                url: `/admin/settings/questions/${action}/`,
                type: 'POST',
                data: JSON.stringify({
                    'id': id,
                    'action': action,
                }),
                contentType: 'application/json',
                success: function(response) {
                    window.location.reload()
                },
                error: function(response){
                    error_response(response)
                },
            })
        } else if (action == 'edit') {
            window.location.href = `/admin/editor/${id}/`
        } else if (action == 'view') {
            window.location.href = `/admin/view/${id}`
        } else if (action == 'download') {
            window.location.href = `/admin/settings/questions/download/${id}/`
        } else if (action == 'analyse') {
            $.ajax({
                url: `/admin/analysis/`,
                type: 'POST',
                data: JSON.stringify({'id': id, 'class': 'dataset'}),
                contentType: 'application/json',
                success: function(response) {
                    window.location.href = response
                },
                error: function(response){
                    error_response(response)
                },
            })
        }
    }
    event.preventDefault()
})

function error_response(response) {

    const $alert = $("#alert-box")
    $alert.html('')

    if (typeof response.responseJSON.error === 'string' || response.responseJSON.error instanceof String) {
        $alert.html(`
        <div class="alert alert-danger alert-dismissible fade show" role="alert">
            <i class="bi bi-exclamation-triangle-fill" title="Danger"></i>
            ${response.responseJSON.error}
            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
        </div>
        `)
    } else if (response.responseJSON.error instanceof Array) {
        var output = ''
        for (let i = 0; i < response.responseJSON.error.length; i ++) {
            output += `
            <div class="alert alert-danger alert-dismissible fade show" role="alert">
                <i class="bi bi-exclamation-triangle-fill" title="Danger"></i>
                ${response.responseJSON.error[i]}
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            </div>
            `
            $alert.html(output)
        }
    }

    $alert.focus()
}

// Dismiss Cookie Alert
$('#dismiss-cookie-alert').click(function(event){

    $.ajax({
        url: '/cookies/',
        type: 'POST',
        data: {
            time: Date.now()
        },
        dataType: 'json',
        success: function(response){
            console.log(response)
        },
        error: function(response){
            console.log(response)
        }
    })

    event.preventDefault()
})

// Script for Result Actions
$('.result-action-buttons').click(function(event){

    var id = $(this).data('id')

    if ($(this).data('result-action') == 'generate') {
        $.ajax({
            url: '/admin/certificate/',
            type: 'POST',
            data: JSON.stringify({'id': id}),
            contentType: 'application/json',
            dataType: 'html',
            success: function(response) {
                var display_window = window.open()
                display_window.document.write(response)
            },
            error: function(response){
                error_response(response)
            },
        })
    } else {
        var action = $(this).data('result-action')
        $.ajax({
            url: window.location.href,
            type: 'POST',
            data: JSON.stringify({'id': id, 'action': action}),
            contentType: 'application/json',
            success: function(response) {
                if (action == 'delete') {
                    window.location.href = '/admin/results/'
                } else window.location.reload()
            },
            error: function(response){
                error_response(response)
            },
        })
    }

    event.preventDefault()
})

// Script for Deleting Time Adjustment
$('.adjustment-delete').click(function(event){

    var user_code = $(this).data('user_code')
    var location = window.location.href
    location = location.replace('#', '')

    $.ajax({
        url: location + 'delete-adjustment/',
        type: 'POST',
        data: JSON.stringify({'user_code': user_code}),
        contentType: 'application/json',
        success: function(response) {
            window.location.reload()
        },
        error: function(response){
            error_response(response)
        },
    })
    
    event.preventDefault()
})

// Detailed Results view questions
$('.view-full-questions').click(function(event) {
    var dataset = $(this).data('dataset')
    window.open(`/admin/view/${dataset}`, '_blank')
    event.preventDefault()
})