{% extends 'base.html' %}
{% block content %}


<form id="upload-form" class="py-2 border border-gray-700 px-2 rounded-lg flex flex-col gap-4"
    enctype="multipart/form-data">

    <div class="flex gap-2">
        <div class="w-128 h-64 border-2 rounded-lg overflow-hidden hidden border-gray-600 bg-gray-700 p-2"
            id="image-container">
            <img id="image-preview" src="#" alt="your image" class="w-full h-full object-contain" />
        </div>

        <div class="flex items-center justify-center w-full">
            <label for="dropzone-file"
                class="flex flex-col items-center justify-center w-full h-64 border-2 border-dashed rounded-lg cursor-pointer bg-gray-700 border-gray-600 hover:border-gray-500 hover:bg-gray-600">
                <div class="flex flex-col items-center justify-center pt-5 pb-6">
                    <svg class="w-8 h-8 mb-4 text-gray-400" aria-hidden="true" xmlns="http://www.w3.org/2000/svg"
                        fill="none" viewBox="0 0 20 16">
                        <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                            d="M13 13h3a3 3 0 0 0 0-6h-.025A5.56 5.56 0 0 0 16 6.5 5.5 5.5 0 0 0 5.207 5.021C5.137 5.017 5.071 5 5 5a4 4 0 0 0 0 8h2.167M10 15V6m0 0L8 8m2-2 2 2" />
                    </svg>
                    <p class="mb-2 text-sm text-gray-400"><span class="font-semibold">Click to
                            upload</span> or drag and drop</p>
                    <p class="text-xs text-gray-400">PNG, JPG or GIF</p>
                </div>
                <input id="dropzone-file" type="file" class="hidden" accept="image/*" name="file" />
            </label>
        </div>
        <div class="h-64 w-128">
            <textarea id="alt-text" rows="11" name="alt"
                class="block p-2.5 text-sm text-gray-900 w-full h-full resize-none bg-gray-50 rounded-lg border border-gray-300 focus:ring-blue-500 focus:border-blue-500 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500"
                placeholder="Alt-Text" draggable="false"></textarea>
        </div>
    </div>

    <div class="flex gap-4">
        <div id="datepicker-inline" inline-datepicker datepicker-buttons datepicker-format="dd/mm/yyyy"
            datepicker-title="Shoot Date" data-date="today"></div>
        <div class="w-full flex flex-col gap-4">
            <div class="w-full">
                <label for="tags-input"
                    class="block mb-2 text-sm font-medium text-gray-900 dark:text-white">Tags</label>
                <input type="text" id="tags-input"
                    class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500"
                    placeholder="Winter" />
                <div class="w-full flex gap-2 mt-2 flex-wrap" id="tags-container">
                </div>
            </div>
            <div class="w-full">
                <label for="url-input" class="block mb-2 text-sm font-medium text-gray-900 dark:text-white">Urls</label>
                <input type="text" id="url-input"
                    class="bg-gray-50 border border-gray-300 text-gray-900 text-sm rounded-lg focus:ring-blue-500 focus:border-blue-500 block w-full p-2.5 dark:bg-gray-700 dark:border-gray-600 dark:placeholder-gray-400 dark:text-white dark:focus:ring-blue-500 dark:focus:border-blue-500"
                    placeholder="https://www.example.com" />
                <div class="w-full flex flex-wrap gap-2 mt-2" id="url-container">
                </div>
            </div>
            <div class="w-full flex flex-wrap gap-2">
                <button type="submit" id="btn-submit"
                    class="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 me-2 mb-2 dark:bg-blue-600 dark:hover:bg-blue-700 focus:outline-none dark:focus:ring-blue-800">Upload</button>
                <button type="reset" id="btn-reset"
                    class="focus:outline-none text-white bg-red-700 hover:bg-red-800 focus:ring-4 focus:ring-red-300 font-medium rounded-lg text-sm px-5 py-2.5 me-2 mb-2 dark:bg-red-600 dark:hover:bg-red-700 dark:focus:ring-red-900">Reset</button>
            </div>
        </div>
    </div>

</form>

<script>

    let datepicker = null;

    window.onload = () => {
        datepicker = FlowbiteInstances.getInstance('Datepicker', 'datepicker-inline')
    }

    const imgInp = document.getElementById('dropzone-file');
    const imgPre = document.getElementById('image-preview');
    const imgCon = document.getElementById('image-container');
    imgInp.onchange = evt => {
        const [file] = imgInp.files
        if (file) {
            imgPre.src = URL.createObjectURL(file)
            imgCon.classList.remove("hidden")
            imgCon.classList.add("flex")
        }
    }

    const tagSearch = ["Winter", "Summer", "Spring", "Autumn"];
    let tags = [];

    const tagInp = document.getElementById('tags-input')
    const tagCon = document.getElementById('tags-container')
    tagInp.addEventListener('input', (e) => {
        if (e.target.value.includes(',')) {
            const tag = e.target.value.split(',')[0].trim().replaceAll(" ", "_").toLowerCase();
            if (tags.includes(tag) || !tag) {
                tagInp.value = '';
                return;
            };

            tags.push(tag);
            tagInp.value = '';
            tagCon.innerHTML = '';
            tags.forEach(tag => {
                const tagEl = document.createElement('div');
                tagEl.classList.add('bg-gray-600', 'rounded-lg', 'p-2', 'flex', 'items-center', 'gap-2');
                tagEl.innerHTML = `${tag} <button class="rounded-full bg-gray-800 w-6 h-6 text-sm cursor-pointer" type="button" onclick="removeTag('${tag}')">X</button>`;
                tagCon.appendChild(tagEl);
            });
        }
    });

    function removeTag(tag) {
        tags.splice(tags.indexOf(tag), 1);
        tagCon.innerHTML = '';
        tags.forEach(tag => {
            const tagEl = document.createElement('div');
            tagEl.classList.add('bg-gray-600', 'rounded-lg', 'p-2', 'flex', 'items-center', 'gap-2');
            tagEl.innerHTML = `${tag} <button class="rounded-full bg-gray-800 w-6 h-6 text-sm cursor-pointer" type="button" onclick="removeTag('${tag}')">X</button>`;
            tagCon.appendChild(tagEl);
        });
    };

    const urlInp = document.getElementById('url-input')
    const urlCon = document.getElementById('url-container')
    let urls = [];

    urlInp.addEventListener('keyup', (e) => {
        if (e.code == 'Enter') {
            if (!e.target.value.startsWith('http')) { alert('Invalid URL'); return; }
            if (!e.target.value.split('/')[2].includes(".")) { alert('Invalid URL'); return; }
            if (urls.find(url => url.value === e.target.value.trim())) { e.target.value = ''; return; }

            const urlEl = document.createElement('input');
            urlEl.type = 'text';
            urlEl.classList.add('bg-gray-50', 'border', 'border-gray-300', 'text-gray-900', 'text-sm', 'rounded-lg', 'focus:ring-blue-500', 'focus:border-blue-500', 'block', 'w-full', 'p-2.5', 'dark:bg-gray-700', 'dark:border-gray-600', 'dark:placeholder-gray-400', 'dark:text-white', 'dark:focus:ring-blue-500', 'dark:focus:border-blue-500');
            urlEl.value = e.target.value.trim();
            urlEl.dataset.name = `${e.target.value.split('/')[2].split('.')[0]}`;
            urlEl.onchange = (e) => {
                const target = urls.find(url => url.name === e.target.dataset.name);
                const index = urls.indexOf(url => url.name === e.target.dataset.name);
                if (e.target.value.trim() === '') {
                    urls.splice(index, 1);
                    urlCon.removeChild(e.target);
                    return;
                }
                if (target) {
                    target.value = e.target.value.trim();
                    return;
                }
            }
            urls.push({
                name: e.target.value.split('/')[2].split('.')[0],
                value: e.target.value.trim()
            })
            urlCon.appendChild(urlEl)

            e.target.value = '';
        }
    });

    const btnReset = document.getElementById('btn-reset');
    const btnSubmit = document.getElementById('btn-submit');

    btnReset.addEventListener('click', () => {
        imgCon.classList.add("hidden")
        imgCon.classList.remove("flex")
        imgPre.src = '';
        tagInp.value = '';
        tagCon.innerHTML = '';
        tags = [];
        urlInp.value = '';
        urlCon.innerHTML = '';
        urls = [];
        datepicker.setDate("today");
    });

    const form = document.getElementById('upload-form');
    form.addEventListener('keydown', (e) => {
        if (e.key === "Enter") {
            e.preventDefault(); // Prevent form submission
        }
    });
    form.addEventListener('submit', (e) => {
        e.preventDefault();

        const formFields = form.elements;
        const formData = new FormData(form);
        if (!formFields['file'].files.length > 0) {
            alert('Please select a file');
            return;
        }
        if (!datepicker.getDate()) {
            alert('Please select a date');
            return;
        }

        let convertedUrls = "";
        urls.forEach(url => {
            convertedUrls += `{"name":"${url.name}","value":"${url.value}"};`;
        });
        formData.set('file', formFields['file'].files[0]);
        formData.set('alt', formFields['alt'].value.trim());
        formData.append('tags', tags.toString());
        formData.append('urls', convertedUrls.toString());
        formData.append('date', datepicker.getDatepickerInstance().picker.viewDate);

        for (let pair of formData.entries()) {
            if (pair[0] == "urls") {
                console.log(`${pair[0]}:`, urls);
            } else {
                console.log(`${pair[0]}: ${pair[1]}`);
            }
        }

        btnSubmit.setAttribute('disabled', true);

        fetch('{{ url_for("ApiUpload") }}', {
            method: 'POST',
            body: formData
        })
            .then(res => {
                return res.json();
            })
            .then(data => {
                console.log(data);
                btnSubmit.removeAttribute('disabled');
                alert(data.message);
                if (data.status != "error") {
                    window.location.href = "{{ url_for('Home') }}";
                }
            })
            .catch(err => {
                console.log(err);
                btnSubmit.removeAttribute('disabled');
                alert(err.message);
            })
    });

</script>


{% endblock %}