package templates

import (
	"fmt"
	"mal/internal/database"
	"mal/internal/shared/ui"
)

templ Watchlist(entries []database.GetUserWatchListRow, layout string, currentStatus string, sortBy string, sortOrder string) {
	@Layout("My Watchlist", true) {
		<div class="mb-4 flex items-end justify-between gap-4 max-[860px]:flex-col max-[860px]:items-start">
			<div class="grid gap-1">
				<h2>Watchlist</h2>
				<p class="m-0 text-[0.86rem] text-[var(--text-muted)]">Track what you're watching with less noise.</p>
			</div>
			<div class="flex flex-wrap items-center justify-end gap-2 max-[860px]:w-full max-[860px]:justify-start">
				<a href="/api/watchlist/export" class="inline-flex min-w-16 items-center justify-center px-[0.45rem] py-[0.24rem] text-center text-[0.8rem] leading-[1.2] text-[var(--text-muted)] no-underline hover:text-[var(--accent)] hover:no-underline">Export</a>
				<button class="inline-flex min-w-16 cursor-pointer items-center justify-center border-0 bg-transparent px-[0.45rem] py-[0.24rem] text-center text-[0.8rem] leading-[1.2] text-[var(--text-muted)] hover:text-[var(--accent)]" type="button" onclick="document.getElementById('import-file').click()">Import</button>
				<form id="import-form" hx-post="/api/watchlist/import" hx-encoding="multipart/form-data" class="hidden">
					<input type="file" id="import-file" name="file" accept=".json" onchange="htmx.trigger('#import-form', 'submit')"/>
				</form>
				<div class="flex flex-wrap gap-2 max-[680px]:flex-nowrap max-[680px]:overflow-x-auto max-[680px]:pb-1">
					<a href={ templ.URL(watchlistURL("grid", currentStatus, sortBy, sortOrder)) } class={ tabClass(layout == "grid") }>Grid</a>
					<a href={ templ.URL(watchlistURL("table", currentStatus, sortBy, sortOrder)) } class={ tabClass(layout == "table") }>Table</a>
				</div>
			</div>
		</div>
		<div class="mb-3 flex flex-wrap gap-2 max-[680px]:flex-nowrap max-[680px]:overflow-x-auto max-[680px]:pb-1">
			<a href={ templ.URL(watchlistURL(layout, "all", sortBy, sortOrder)) } class={ tabClass(currentStatus == "all") }>All</a>
			<a href={ templ.URL(watchlistURL(layout, "watching", sortBy, sortOrder)) } class={ tabClass(currentStatus == "watching") }>Watching</a>
			<a href={ templ.URL(watchlistURL(layout, "continuing", sortBy, sortOrder)) } class={ tabClass(currentStatus == "continuing") }>Continuing</a>
			<a href={ templ.URL(watchlistURL(layout, "on_hold", sortBy, sortOrder)) } class={ tabClass(currentStatus == "on_hold") }>On hold</a>
			<a href={ templ.URL(watchlistURL(layout, "plan_to_watch", sortBy, sortOrder)) } class={ tabClass(currentStatus == "plan_to_watch") }>Plan to watch</a>
			<a href={ templ.URL(watchlistURL(layout, "dropped", sortBy, sortOrder)) } class={ tabClass(currentStatus == "dropped") }>Dropped</a>
			<a href={ templ.URL(watchlistURL(layout, "completed", sortBy, sortOrder)) } class={ tabClass(currentStatus == "completed") }>Completed</a>
		</div>
		@ui.SortFilter(ui.SortFilterOptions{Sort: sortBy, Order: sortOrder, View: layout, Status: currentStatus})
		if len(entries) == 0 {
			@ui.EmptyState("Nothing here yet") {
				if currentStatus == "all" {
					Your watchlist is empty. <a href="/">Search for anime</a> to get started.
				} else if currentStatus == "continuing" {
					No airing anime with watching or plan to watch status.
				} else {
					No anime in this category.
				}
			}
		} else {
			if layout == "grid" {
				<div class="grid grid-cols-[repeat(auto-fill,minmax(190px,1fr))] gap-4 max-[680px]:grid-cols-2 max-[680px]:gap-3">
					for _, entry := range entries {
						<div class="group relative min-w-0" id={ fmt.Sprintf("watchlist-entry-%d", entry.AnimeID) }>
							@ui.AnimeCard(ui.AnimeCardProps{
								ID:       int(entry.AnimeID),
								Title:    entry.DisplayTitle(),
								ImageURL: entry.ImageUrl,
							})
							<button
								class="absolute right-2 top-2 h-[22px] w-[22px] cursor-pointer border-0 bg-[var(--overlay-subtle)] text-[var(--text-muted)] opacity-0 transition-opacity duration-150 group-hover:opacity-100 hover:text-[var(--danger)]"
								hx-delete={ string(templ.URL(fmt.Sprintf("/api/watchlist/%d?from=watchlist", entry.AnimeID))) }
								hx-target={ fmt.Sprintf("#watchlist-entry-%d", entry.AnimeID) }
								hx-swap="delete"
							>&times;</button>
						</div>
					}
				</div>
			} else {
				<table class="block w-full overflow-x-auto whitespace-nowrap bg-[var(--panel)] md:table md:overflow-visible md:whitespace-normal">
					<thead>
						<tr>
							<th class="p-[0.6rem]"></th>
							<th class="p-[0.6rem] text-left text-[0.67rem] text-[var(--text-faint)]">Title</th>
							<th class="p-[0.6rem]"></th>
						</tr>
					</thead>
					<tbody>
						for _, entry := range entries {
							<tr class="hover:bg-[var(--panel-soft)]" id={ fmt.Sprintf("watchlist-entry-%d", entry.AnimeID) }>
								<td class="p-[0.6rem]">
									<a href={ templ.SafeURL(fmt.Sprintf("/anime/%d", entry.AnimeID)) }>
										<img src={ entry.ImageUrl } alt={ entry.DisplayTitle() } class="aspect-[2/3] w-9 object-cover" loading="lazy"/>
									</a>
								</td>
								<td class="p-[0.6rem] font-medium">
									<a href={ templ.SafeURL(fmt.Sprintf("/anime/%d", entry.AnimeID)) }>
										{ entry.DisplayTitle() }
									</a>
								</td>
								<td class="w-[90px] p-[0.6rem]">
									<button
										class="cursor-pointer border-0 bg-transparent p-0 text-[0.8rem] text-[var(--text-muted)] hover:text-[var(--danger)]"
										hx-delete={ string(templ.URL(fmt.Sprintf("/api/watchlist/%d?from=watchlist", entry.AnimeID))) }
										hx-target={ fmt.Sprintf("#watchlist-entry-%d", entry.AnimeID) }
										hx-swap="delete"
									>Remove</button>
								</td>
							</tr>
						}
					</tbody>
				</table>
			}
		}
	}
}

func tabClass(active bool) string {
	base := "shrink-0 whitespace-nowrap bg-[var(--panel-soft)] px-[0.45rem] py-[0.24rem] text-[0.76rem] text-[var(--text-muted)] no-underline hover:bg-[var(--surface-tab-hover)] hover:text-[var(--text)] hover:no-underline"
	if active {
		return "shrink-0 whitespace-nowrap bg-[var(--surface-tab-active)] px-[0.45rem] py-[0.24rem] text-[0.76rem] text-[var(--accent)] no-underline hover:no-underline"
	}
	return base
}

func watchlistURL(view string, status string, sortBy string, sortOrder string) string {
	return fmt.Sprintf("/watchlist?view=%s&status=%s&sort=%s&order=%s", view, status, sortBy, sortOrder)
}