import './bootstrap';

import Alpine from 'alpinejs';
import Swal from 'sweetalert2';

window.Alpine = Alpine;
window.Swal = Swal;

Alpine.start();

document.addEventListener('DOMContentLoaded', () => {
    document.querySelectorAll('.delete-form').forEach((form) => {
        form.addEventListener('submit', (event) => {
            event.preventDefault();

            const entity = form.dataset.entity || 'data ini';

            Swal.fire({
                title: 'Hapus data?',
                text: `Yakin ingin menghapus ${entity}? Tindakan ini tidak bisa dibatalkan.`,
                icon: 'warning',
                showCancelButton: true,
                confirmButtonColor: '#e11d48',
                cancelButtonColor: '#475569',
                confirmButtonText: 'Ya, hapus',
                cancelButtonText: 'Batal',
                reverseButtons: true,
            }).then((result) => {
                if (result.isConfirmed) {
                    form.submit();
                }
            });
        });
    });

    const passwordInput = document.querySelector('[data-password-input]');
    const passwordToggle = document.querySelector('[data-password-toggle]');

    document.querySelectorAll('[data-searchable-student-select]').forEach((wrapper) => {
        const input = wrapper.querySelector('[data-student-search-input]');
        const hiddenInput = wrapper.querySelector('[data-student-search-value]');
        const toggle = wrapper.querySelector('[data-student-search-toggle]');
        const dropdown = wrapper.querySelector('[data-student-search-dropdown]');
        const options = Array.from(wrapper.querySelectorAll('[data-student-option]'));
        const emptyState = wrapper.querySelector('[data-student-empty-state]');

        if (!input || !hiddenInput || !toggle || !dropdown || options.length === 0) {
            return;
        }

        const closeDropdown = () => {
            dropdown.classList.add('hidden');
        };

        const openDropdown = () => {
            dropdown.classList.remove('hidden');
        };

        const filterOptions = () => {
            const keyword = input.value.trim().toLowerCase();
            let visibleCount = 0;

            options.forEach((option) => {
                const haystack = option.dataset.search || '';
                const match = keyword === '' || haystack.includes(keyword);
                option.classList.toggle('hidden', !match);
                if (match) visibleCount += 1;
            });

            if (emptyState) {
                emptyState.classList.toggle('hidden', visibleCount > 0);
            }
        };

        input.addEventListener('focus', () => {
            filterOptions();
            openDropdown();
        });

        input.addEventListener('input', () => {
            hiddenInput.value = '';
            filterOptions();
            openDropdown();
        });

        toggle.addEventListener('click', () => {
            filterOptions();
            dropdown.classList.toggle('hidden');
        });

        options.forEach((option) => {
            option.addEventListener('click', () => {
                hiddenInput.value = option.dataset.value || '';
                input.value = option.dataset.label || '';
                closeDropdown();
            });
        });

        document.addEventListener('click', (event) => {
            if (!wrapper.contains(event.target)) {
                closeDropdown();
            }
        });
    });

    const lightboxTriggers = document.querySelectorAll('[data-lightbox-trigger]');

    if (lightboxTriggers.length > 0) {
        const lightbox = document.createElement('div');
        lightbox.className = 'fixed inset-0 z-[10000] hidden items-center justify-center bg-slate-950/85 px-4 py-6';
        lightbox.innerHTML = `
            <div class="absolute inset-0" data-lightbox-close></div>
            <div class="relative z-10 flex max-h-full w-full max-w-5xl flex-col items-center justify-center gap-3">
                <div class="flex w-full items-center justify-between gap-4 rounded-2xl bg-slate-900/80 px-4 py-3 text-white shadow-2xl backdrop-blur">
                    <div class="truncate text-sm font-semibold" data-lightbox-title>Preview Gambar</div>
                    <button type="button" class="rounded-xl border border-white/15 px-3 py-2 text-xs font-semibold text-white transition hover:bg-white/10" data-lightbox-close>Tutup</button>
                </div>
                <div class="flex max-h-[calc(100vh-110px)] w-full items-center justify-center overflow-auto rounded-2xl bg-slate-900/60 p-3 shadow-2xl backdrop-blur">
                    <img src="" alt="Preview" class="max-h-[calc(100vh-140px)] w-auto max-w-full rounded-xl object-contain shadow-2xl" data-lightbox-image>
                </div>
            </div>
        `;
        document.body.appendChild(lightbox);

        const lightboxImage = lightbox.querySelector('[data-lightbox-image]');
        const lightboxTitle = lightbox.querySelector('[data-lightbox-title]');
        const closeLightbox = () => {
            lightbox.classList.add('hidden');
            lightbox.classList.remove('flex');
            document.body.classList.remove('overflow-hidden');
            if (lightboxImage) {
                lightboxImage.setAttribute('src', '');
            }
        };

        lightbox.querySelectorAll('[data-lightbox-close]').forEach((element) => {
            element.addEventListener('click', closeLightbox);
        });

        document.addEventListener('keydown', (event) => {
            if (event.key === 'Escape') {
                closeLightbox();
            }
        });

        lightboxTriggers.forEach((trigger) => {
            trigger.addEventListener('click', () => {
                const src = trigger.dataset.lightboxSrc || '';
                const title = trigger.dataset.lightboxTitle || 'Preview Gambar';

                if (!src || !lightboxImage || !lightboxTitle) {
                    return;
                }

                lightboxImage.setAttribute('src', src);
                lightboxTitle.textContent = title;
                lightbox.classList.remove('hidden');
                lightbox.classList.add('flex');
                document.body.classList.add('overflow-hidden');
            });
        });
    }

    if (passwordInput && passwordToggle) {
        passwordToggle.addEventListener('click', () => {
            const isPassword = passwordInput.getAttribute('type') === 'password';
            passwordInput.setAttribute('type', isPassword ? 'text' : 'password');
            passwordToggle.setAttribute('aria-label', isPassword ? 'Sembunyikan password' : 'Tampilkan password');
        });
    }

    const documentTypeSelect = document.querySelector('[data-document-type-select]');
    const maxFileSizeInfo = document.querySelector('[data-max-file-size-info]');
    const allowedExtensionsInfo = document.querySelector('[data-allowed-extensions-info]');

    if (documentTypeSelect && maxFileSizeInfo && allowedExtensionsInfo) {
        const updateDocumentTypeInfo = () => {
            const selectedOption = documentTypeSelect.options[documentTypeSelect.selectedIndex];
            const maxSizeKb = Number(selectedOption?.dataset?.maxSizeKb || 5120);
            const maxSizeMb = (maxSizeKb / 1024).toFixed(2);
            const extensions = (selectedOption?.dataset?.extensions || 'jpg,jpeg,png,pdf,webp')
                .split(',')
                .map((item) => item.trim().toUpperCase())
                .join(', ');

            maxFileSizeInfo.textContent = `Maksimal ukuran file untuk jenis dokumen ini: ${maxSizeMb} MB`;
            allowedExtensionsInfo.textContent = `Format diizinkan: ${extensions}.`;
        };

        documentTypeSelect.addEventListener('change', updateDocumentTypeInfo);
        updateDocumentTypeInfo();
    }

    const studentHoverTriggers = document.querySelectorAll('.student-hover-trigger');

    if (studentHoverTriggers.length > 0) {
        const hoverCard = document.createElement('div');
        hoverCard.className = 'pointer-events-none fixed z-[9999] hidden w-64 overflow-hidden rounded-[20px] border border-slate-200 bg-white p-2.5 shadow-[0_20px_45px_-20px_rgba(15,23,42,0.35)] transition-opacity duration-150';
        document.body.appendChild(hoverCard);

        const renderHoverCard = (trigger) => {
            const photoUrl = trigger.dataset.photoUrl;
            const studentName = trigger.dataset.studentName || '-';
            const studentNis = trigger.dataset.studentNis || '-';
            const studentClass = trigger.dataset.studentClass || '-';
            const studentDepartment = trigger.dataset.studentDepartment || '-';
            const studentInitial = studentName.charAt(0).toUpperCase();

            hoverCard.innerHTML = `
                <div class="absolute inset-x-0 top-0 h-12 rounded-t-[20px] bg-gradient-to-r from-indigo-100 via-sky-50 to-white"></div>
                <div class="relative flex items-start gap-3">
                    ${photoUrl
                        ? `<div class="relative shrink-0">
                                <div class="absolute inset-0 rounded-2xl bg-gradient-to-br from-white/70 to-transparent"></div>
                                <img src="${photoUrl}" alt="${studentName}" class="h-20 w-20 rounded-2xl object-cover shadow-[0_10px_24px_-14px_rgba(15,23,42,0.6)] ring-1 ring-slate-200 bg-slate-100">
                           </div>`
                        : `<div class="flex h-20 w-20 shrink-0 flex-col items-center justify-center rounded-2xl bg-gradient-to-br from-slate-100 via-white to-slate-200 text-center text-slate-500 shadow-[0_10px_24px_-14px_rgba(15,23,42,0.35)] ring-1 ring-slate-200">
                                <div class="flex h-9 w-9 items-center justify-center rounded-full bg-white text-sm font-bold text-slate-700 shadow-sm">${studentInitial}</div>
                                <div class="mt-1 text-[9px] font-semibold uppercase tracking-[0.08em] text-slate-400">No Photo</div>
                           </div>`}
                    <div class="min-w-0 flex-1 pt-0.5">
                        <div class="text-sm font-semibold leading-tight text-slate-800 line-clamp-2">${studentName}</div>
                        <div class="mt-1 inline-flex rounded-full bg-slate-100/80 px-2 py-0.5 text-[9px] font-semibold uppercase tracking-[0.14em] text-slate-500">NIS · ${studentNis}</div>
                        <div class="mt-2 h-px w-full bg-gradient-to-r from-slate-200 via-slate-100 to-transparent"></div>
                        <div class="mt-2 text-[11px] font-medium leading-snug text-slate-600">${studentClass}</div>
                        <div class="mt-0.5 text-[11px] leading-snug text-slate-400">${studentDepartment}</div>
                    </div>
                </div>
            `;
        };

        const positionHoverCard = (trigger) => {
            const rect = trigger.getBoundingClientRect();
            const cardWidth = 256;
            const cardHeight = 120;
            let left = rect.left;
            let top = rect.bottom + 12;

            if (left + cardWidth > window.innerWidth - 16) {
                left = window.innerWidth - cardWidth - 16;
            }

            if (top + cardHeight > window.innerHeight - 16) {
                top = rect.top - cardHeight - 12;
            }

            if (top < 16) {
                top = 16;
            }

            hoverCard.style.left = `${Math.max(left, 16)}px`;
            hoverCard.style.top = `${top}px`;
        };

        const showHoverCard = (trigger) => {
            renderHoverCard(trigger);
            positionHoverCard(trigger);
            hoverCard.classList.remove('hidden');
            hoverCard.style.opacity = '1';
        };

        const hideHoverCard = () => {
            hoverCard.style.opacity = '0';
            hoverCard.classList.add('hidden');
        };

        studentHoverTriggers.forEach((trigger) => {
            trigger.addEventListener('mouseenter', () => showHoverCard(trigger));
            trigger.addEventListener('mouseleave', hideHoverCard);
            trigger.addEventListener('focus', () => showHoverCard(trigger));
            trigger.addEventListener('blur', hideHoverCard);
        });

        window.addEventListener('scroll', hideHoverCard, true);
        window.addEventListener('resize', hideHoverCard);
    }

    const setupBulkDelete = ({ formSelector, selectAllSelector, rowCheckboxSelector, buttonSelector, title, textBuilder, confirmText }) => {
        const form = document.querySelector(formSelector);

        if (!form) {
            return;
        }

        const selectAllCheckbox = document.querySelector(selectAllSelector);
        const rowCheckboxes = form.querySelectorAll(rowCheckboxSelector);
        const bulkDeleteButton = document.querySelector(buttonSelector);

        const syncBulkDeleteState = () => {
            const checkedCount = Array.from(rowCheckboxes).filter((checkbox) => checkbox.checked).length;
            const enabledCheckboxes = Array.from(rowCheckboxes).filter((checkbox) => !checkbox.disabled);

            if (bulkDeleteButton) {
                bulkDeleteButton.disabled = checkedCount === 0;
                bulkDeleteButton.classList.toggle('opacity-50', checkedCount === 0);
                bulkDeleteButton.classList.toggle('cursor-not-allowed', checkedCount === 0);
            }

            if (selectAllCheckbox) {
                selectAllCheckbox.checked = checkedCount > 0 && enabledCheckboxes.length > 0 && checkedCount === enabledCheckboxes.length;
                selectAllCheckbox.indeterminate = checkedCount > 0 && checkedCount < enabledCheckboxes.length;
            }
        };

        selectAllCheckbox?.addEventListener('change', () => {
            rowCheckboxes.forEach((checkbox) => {
                if (!checkbox.disabled) {
                    checkbox.checked = selectAllCheckbox.checked;
                }
            });
            syncBulkDeleteState();
        });

        rowCheckboxes.forEach((checkbox) => {
            checkbox.addEventListener('change', syncBulkDeleteState);
        });

        form.addEventListener('submit', (event) => {
            const checkedCount = Array.from(rowCheckboxes).filter((checkbox) => checkbox.checked).length;

            if (checkedCount === 0) {
                event.preventDefault();
                return;
            }

            event.preventDefault();

            Swal.fire({
                title,
                text: textBuilder(checkedCount),
                icon: 'warning',
                showCancelButton: true,
                confirmButtonColor: '#e11d48',
                cancelButtonColor: '#475569',
                confirmButtonText: confirmText,
                cancelButtonText: 'Batal',
                reverseButtons: true,
            }).then((result) => {
                if (result.isConfirmed) {
                    form.submit();
                }
            });
        });

        syncBulkDeleteState();
    };

    setupBulkDelete({
        formSelector: '#bulk-delete-students-form',
        selectAllSelector: '#select-all-students',
        rowCheckboxSelector: '.student-row-checkbox',
        buttonSelector: '#bulk-delete-students-button',
        title: 'Hapus banyak data siswa?',
        textBuilder: (checkedCount) => `${checkedCount} data siswa yang dipilih akan dihapus. Tindakan ini tidak bisa dibatalkan.`,
        confirmText: 'Ya, hapus semua',
    });

    setupBulkDelete({
        formSelector: '#bulk-delete-classes-form',
        selectAllSelector: '#select-all-classes',
        rowCheckboxSelector: '.class-row-checkbox',
        buttonSelector: '#bulk-delete-classes-button',
        title: 'Hapus banyak kelas?',
        textBuilder: (checkedCount) => `${checkedCount} kelas yang dipilih akan dihapus. Tindakan ini tidak bisa dibatalkan.`,
        confirmText: 'Ya, hapus semua',
    });

    const promotionForm = document.querySelector('[data-student-promotion-form]');

    if (promotionForm) {
        const rows = promotionForm.querySelectorAll('tbody tr');
        const renderTargetOptions = (targetSelect, actionValue) => {
            if (!targetSelect) {
                return 0;
            }

            const optionKey = actionValue === 'repeat' ? 'optionsRepeat' : 'optionsPromote';
            const selectedKey = actionValue === 'repeat' ? 'selectedRepeat' : 'selectedPromote';
            const options = JSON.parse(targetSelect.dataset[optionKey] || '[]');
            const selectedValue = targetSelect.dataset[selectedKey] || '';

            targetSelect.innerHTML = '<option value="">Pilih kelas tujuan</option>';

            options.forEach((option) => {
                const optionElement = document.createElement('option');
                optionElement.value = option.id;
                optionElement.textContent = option.name;
                if (String(option.id) === String(selectedValue)) {
                    optionElement.selected = true;
                }
                targetSelect.appendChild(optionElement);
            });

            return options.length;
        };

        const applyRowActionState = (row, actionValue) => {
            const targetSelect = row.querySelector('.promotion-target-select');
            const targetHelp = row.querySelector('.promotion-target-help');
            const graduatePlaceholder = row.querySelector('.promotion-graduate-placeholder');
            const hiddenTarget = row.querySelector('[data-promotion-target-hidden]');

            if (targetSelect) {
                const requiresTarget = actionValue === 'promote' || actionValue === 'repeat';
                const optionCount = requiresTarget ? renderTargetOptions(targetSelect, actionValue) : 0;
                targetSelect.disabled = !requiresTarget;
                targetSelect.classList.toggle('bg-slate-100', !requiresTarget);
                targetSelect.classList.toggle('text-slate-400', !requiresTarget);
                targetSelect.classList.toggle('hidden', !requiresTarget);

                if (!requiresTarget) {
                    targetSelect.value = '';
                }

                if (targetHelp) {
                    if (actionValue === 'skip') {
                        targetHelp.textContent = 'Siswa ini akan dilewati saat proses promosi.';
                    } else if (actionValue === 'graduate') {
                        targetHelp.textContent = 'Aksi lulus tidak memerlukan kelas tujuan.';
                    } else if (optionCount === 0) {
                        targetHelp.textContent = actionValue === 'repeat'
                            ? 'Belum ada kelas aktif dengan level yang sama pada tahun ajaran target.'
                            : 'Belum ada kelas aktif level berikutnya pada tahun ajaran target.';
                    } else {
                        targetHelp.textContent = actionValue === 'repeat'
                            ? 'Pilih kelas tujuan dengan level yang sama untuk skenario tinggal kelas.'
                            : 'Pilih kelas tujuan level berikutnya untuk skenario naik kelas.';
                    }
                }
            }

            if (graduatePlaceholder) {
                graduatePlaceholder.classList.toggle('hidden', actionValue !== 'graduate');
                graduatePlaceholder.classList.toggle('opacity-60', actionValue === 'skip');
            }

            if (hiddenTarget && (actionValue === 'graduate' || actionValue === 'skip')) {
                hiddenTarget.value = '';
            }

            row.classList.toggle('opacity-60', actionValue === 'skip');
        };

        rows.forEach((row) => {
            const actionSelect = row.querySelector('.promotion-action-select');
            if (!actionSelect) {
                return;
            }

            applyRowActionState(row, actionSelect.value);
            actionSelect.addEventListener('change', () => applyRowActionState(row, actionSelect.value));
        });

        promotionForm.querySelectorAll('[data-promotion-bulk-action]').forEach((button) => {
            button.addEventListener('click', () => {
                const actionValue = button.dataset.promotionBulkAction;

                rows.forEach((row) => {
                    const actionSelect = row.querySelector('.promotion-action-select');
                    if (!actionSelect) {
                        return;
                    }

                    if (actionValue === 'promote' && actionSelect.querySelector('option[value="promote"]')) {
                        actionSelect.value = 'promote';
                    } else if (actionValue === 'repeat') {
                        actionSelect.value = 'repeat';
                    } else if (actionValue === 'skip') {
                        actionSelect.value = 'skip';
                    }

                    applyRowActionState(row, actionSelect.value);
                });
            });
        });
    }
});