<script setup>
import { PlusIcon, XIcon } from '@modrinth/assets'
import { Button, Checkbox, injectNotificationManager } from '@modrinth/ui'
import { open } from '@tauri-apps/plugin-dialog'
import { ref } from 'vue'

import { PackageIcon, VersionIcon } from '@/assets/icons'
import ModalWrapper from '@/components/ui/modal/ModalWrapper.vue'
import { export_profile_mrpack, get_pack_export_candidates } from '@/helpers/profile.js'

const { handleError } = injectNotificationManager()

const props = defineProps({
	instance: {
		type: Object,
		required: true,
	},
})

defineExpose({
	show: () => {
		exportModal.value.show()
		initFiles()
	},
})

const exportModal = ref(null)
const nameInput = ref(props.instance.name)
const exportDescription = ref('')
const versionInput = ref('1.0.0')
const files = ref([])
const folders = ref([])
const showingFiles = ref(false)

const initFiles = async () => {
	const newFolders = new Map()
	const sep = '/'
	files.value = []
	await get_pack_export_candidates(props.instance.path).then((filePaths) =>
		filePaths
			.map((folder) => ({
				path: folder,
				name: folder.split(sep).pop(),
				selected:
					folder.startsWith('mods') ||
					folder.startsWith('datapacks') ||
					folder.startsWith('resourcepacks') ||
					folder.startsWith('shaderpacks') ||
					folder.startsWith('config'),
				disabled:
					folder === 'profile.json' ||
					folder.startsWith('modrinth_logs') ||
					folder.startsWith('.fabric'),
			}))
			.filter((pathData) => !pathData.path.includes('.DS_Store'))
			.forEach((pathData) => {
				const parent = pathData.path.split(sep).slice(0, -1).join(sep)
				if (parent !== '') {
					if (newFolders.has(parent)) {
						newFolders.get(parent).push(pathData)
					} else {
						newFolders.set(parent, [pathData])
					}
				} else {
					files.value.push(pathData)
				}
			}),
	)
	folders.value = [...newFolders.entries()].map(([name, value]) => [
		{
			name,
			showingMore: false,
		},
		value,
	])
}

await initFiles()

const exportPack = async () => {
	const filesToExport = files.value.filter((file) => file.selected).map((file) => file.path)
	folders.value.forEach((args) => {
		args[1].forEach((child) => {
			if (child.selected) {
				filesToExport.push(child.path)
			}
		})
	})
	const outputPath = await open({
		directory: true,
		multiple: false,
	})

	if (outputPath) {
		export_profile_mrpack(
			props.instance.path,
			outputPath + `/${nameInput.value} ${versionInput.value}.mrpack`,
			filesToExport,
			versionInput.value,
			exportDescription.value,
			nameInput.value,
		).catch((err) => handleError(err))
		exportModal.value.hide()
	}
}
</script>

<template>
	<ModalWrapper ref="exportModal" header="Export modpack">
		<div class="modal-body">
			<div class="labeled_input">
				<p>Modpack Name</p>
				<div class="iconified-input">
					<PackageIcon />
					<input v-model="nameInput" type="text" placeholder="Modpack name" class="input" />
					<Button class="r-btn" @click="nameInput = ''">
						<XIcon />
					</Button>
				</div>
			</div>
			<div class="labeled_input">
				<p>Version number</p>
				<div class="iconified-input">
					<VersionIcon />
					<input v-model="versionInput" type="text" placeholder="1.0.0" class="input" />
					<Button class="r-btn" @click="versionInput = ''">
						<XIcon />
					</Button>
				</div>
			</div>
			<div class="adjacent-input">
				<div class="labeled_input">
					<p>Description</p>

					<div class="textarea-wrapper">
						<textarea v-model="exportDescription" placeholder="Enter modpack description..." />
					</div>
				</div>
			</div>

			<div class="table">
				<div class="table-head">
					<div class="table-cell row-wise">
						Select files and folders to include in pack
						<Button
							class="sleek-primary collapsed-button"
							icon-only
							@click="() => (showingFiles = !showingFiles)"
						>
							<PlusIcon v-if="!showingFiles" />
							<XIcon v-else />
						</Button>
					</div>
				</div>
				<div v-if="showingFiles" class="table-content">
					<div v-for="[path, children] in folders" :key="path.name" class="table-row">
						<div class="table-cell file-entry">
							<div class="file-primary">
								<Checkbox
									:model-value="children.every((child) => child.selected)"
									:label="path.name"
									class="select-checkbox"
									:disabled="children.every((x) => x.disabled)"
									@update:model-value="
										(newValue) => children.forEach((child) => (child.selected = newValue))
									"
								/>
								<Checkbox
									v-model="path.showingMore"
									class="select-checkbox dropdown"
									collapsing-toggle-style
								/>
							</div>
							<div v-if="path.showingMore" class="file-secondary">
								<div v-for="child in children" :key="child.path" class="file-secondary-row">
									<Checkbox
										v-model="child.selected"
										:label="child.name"
										class="select-checkbox"
										:disabled="child.disabled"
									/>
								</div>
							</div>
						</div>
					</div>
					<div v-for="file in files" :key="file.path" class="table-row">
						<div class="table-cell file-entry">
							<div class="file-primary">
								<Checkbox
									v-model="file.selected"
									:label="file.name"
									:disabled="file.disabled"
									class="select-checkbox"
								/>
							</div>
						</div>
					</div>
				</div>
			</div>
			<div class="button-row push-right">
				<Button @click="exportModal.hide">
					<XIcon />
					Cancel
				</Button>
				<Button color="primary" @click="exportPack">
					<PackageIcon />
					Export
				</Button>
			</div>
		</div>
	</ModalWrapper>
</template>

<style scoped lang="scss">
.modal-body {
	display: flex;
	flex-direction: column;
	gap: var(--gap-md);
}

.labeled_input {
	display: flex;
	flex-direction: column;
	gap: var(--gap-sm);

	p {
		margin: 0;
	}
}

.select-checkbox {
	gap: var(--gap-sm);

	button.checkbox {
		border: none;
	}

	&.dropdown {
		margin-left: auto;
	}
}

.table-content {
	max-height: 18rem;
	overflow-y: auto;
}

.table {
	border: 1px solid var(--color-bg);
}

.file-entry {
	display: flex;
	flex-direction: column;
	gap: var(--gap-sm);
}

.file-primary {
	display: flex;
	align-items: center;
	gap: var(--gap-sm);
}

.file-secondary {
	margin-left: var(--gap-xl);
	display: flex;
	flex-direction: column;
	gap: var(--gap-sm);
	height: 100%;
	vertical-align: center;
}

.file-secondary-row {
	display: flex;
	align-items: center;
	gap: var(--gap-sm);
}

.button-row {
	display: flex;
	gap: var(--gap-sm);
	align-items: center;
}

.row-wise {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
}

.textarea-wrapper {
	// margin-top: 1rem;
	height: 12rem;

	textarea {
		max-height: 12rem;
	}

	.preview {
		overflow-y: auto;
	}
}
</style>
