package components

import (
	"fmt"
	"time"

	"github.com/ryanhamamura/c4/game"
	"github.com/starfederation/datastar-go/datastar"
)

templ GameList(games []GameListItem) {
	if len(games) > 0 {
		<div class="mt-8 text-left">
			<h3 class="mb-4 text-center text-lg font-bold">Your Games</h3>
			<div class="flex flex-col gap-2">
				for _, g := range games {
					@gameListEntry(g)
				}
			</div>
		</div>
	}
}

templ gameListEntry(g GameListItem) {
	<div class="flex items-center gap-2 p-2 bg-base-200 rounded-lg transition-colors hover:bg-base-300">
		<a
			href={ templ.SafeURL("/games/" + g.ID) }
			class="flex-1 flex justify-between items-center px-2 py-1 no-underline text-base-content"
		>
			<div class="flex flex-col gap-1">
				<span class="font-bold">{ opponentDisplay(g) }</span>
				<span class={ statusClass(g) }>{ statusText(g) }</span>
			</div>
			<div>
				<span class="text-xs opacity-60">{ formatTimeAgo(g.LastPlayed) }</span>
			</div>
		</a>
		<button
			type="button"
			class="btn btn-ghost btn-sm btn-square hover:btn-error"
			data-on:click={ datastar.DeleteSSE("/games/%s", g.ID) }
		>
			&times;
		</button>
	</div>
}

func statusText(g GameListItem) string {
	switch game.GameStatus(g.Status) {
	case game.StatusWaitingForPlayer:
		return "Waiting for opponent"
	case game.StatusInProgress:
		if g.IsMyTurn {
			return "Your turn!"
		}
		return "Opponent's turn"
	}
	return ""
}

func statusClass(g GameListItem) string {
	switch game.GameStatus(g.Status) {
	case game.StatusWaitingForPlayer:
		return "text-sm opacity-60"
	case game.StatusInProgress:
		if g.IsMyTurn {
			return "text-sm text-success font-bold"
		}
		return "text-sm"
	}
	return ""
}

func opponentDisplay(g GameListItem) string {
	if g.OpponentName == "" {
		return "Waiting for opponent..."
	}
	return "vs " + g.OpponentName
}

func formatTimeAgo(t time.Time) string {
	if t.IsZero() {
		return ""
	}
	duration := time.Since(t)

	if duration < time.Minute {
		return "just now"
	}
	if duration < time.Hour {
		mins := int(duration.Minutes())
		if mins == 1 {
			return "1 minute ago"
		}
		return fmt.Sprintf("%d minutes ago", mins)
	}
	if duration < 24*time.Hour {
		hours := int(duration.Hours())
		if hours == 1 {
			return "1 hour ago"
		}
		return fmt.Sprintf("%d hours ago", hours)
	}
	days := int(duration.Hours() / 24)
	if days == 1 {
		return "yesterday"
	}
	return fmt.Sprintf("%d days ago", days)
}