package homeview

import "git.haelnorr.com/h/oslstats/internal/db"
import "git.haelnorr.com/h/oslstats/internal/view/component/links"
import "fmt"

// LeagueStandings holds the data needed to render a single league's table
type LeagueStandings struct {
	League      *db.League
	Leaderboard []*db.LeaderboardEntry
}

// LatestStandings renders the latest standings section with tabs to switch
// between leagues from the most recent season
templ LatestStandings(season *db.Season, standings []LeagueStandings) {
	<div class="space-y-4">
		<div class="flex items-baseline gap-3">
			<h2 class="text-2xl font-bold text-text">Latest Standings</h2>
			if season != nil {
				<a
					href={ templ.SafeURL(fmt.Sprintf("/seasons/%s", season.ShortName)) }
					class="text-sm text-subtext0 hover:text-blue transition"
				>
					{ season.Name }
				</a>
			}
		</div>
		if season == nil || len(standings) == 0 {
			<div class="bg-surface0 border border-surface1 rounded-lg p-8 text-center">
				<p class="text-subtext0 text-lg">No standings available yet.</p>
			</div>
		} else {
			<div x-data={ fmt.Sprintf("{ activeTab: '%s' }", standings[0].League.ShortName) }>
				if len(standings) > 1 {
					<div class="flex gap-1 mb-4 border-b border-surface1">
						for _, s := range standings {
							<button
								x-on:click={ fmt.Sprintf("activeTab = '%s'", s.League.ShortName) }
								class="px-4 py-2 text-sm font-medium transition hover:cursor-pointer"
								x-bind:class={ fmt.Sprintf("activeTab === '%s' ? 'text-blue border-b-2 border-blue' : 'text-subtext0 hover:text-text'", s.League.ShortName) }
							>
								{ s.League.Name }
							</button>
						}
					</div>
				}
				for _, s := range standings {
					<div x-show={ fmt.Sprintf("activeTab === '%s'", s.League.ShortName) }>
						@standingsTable(season, s.League, s.Leaderboard)
					</div>
				}
			</div>
		}
	</div>
}

templ standingsTable(season *db.Season, league *db.League, leaderboard []*db.LeaderboardEntry) {
	if len(leaderboard) == 0 {
		<div class="bg-surface0 border border-surface1 rounded-lg p-8 text-center">
			<p class="text-subtext0 text-lg">No teams in this league yet.</p>
		</div>
	} else {
		<div class="bg-surface0 border border-surface1 rounded-lg overflow-hidden">
			<div class="bg-mantle border-b border-surface1 px-4 py-2 flex items-center gap-4 text-xs text-subtext0">
				<span class="font-semibold text-subtext1">Points:</span>
				<span>W = { fmt.Sprint(db.PointsWin) }</span>
				<span>OTW = { fmt.Sprint(db.PointsOvertimeWin) }</span>
				<span>OTL = { fmt.Sprint(db.PointsOvertimeLoss) }</span>
				<span>L = { fmt.Sprint(db.PointsLoss) }</span>
			</div>
			<div class="overflow-x-auto">
				<table class="w-full">
					<thead class="bg-mantle border-b border-surface1">
						<tr>
							<th class="px-3 py-3 text-center text-xs font-semibold text-subtext0 w-10">#</th>
							<th class="px-4 py-3 text-left text-xs font-semibold text-text">Team</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Games Played">GP</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Wins">W</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Overtime Wins">OTW</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Overtime Losses">OTL</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Losses">L</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Goals For">GF</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Goals Against">GA</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-text" title="Goal Differential">GD</th>
							<th class="px-3 py-3 text-center text-xs font-semibold text-blue" title="Points">PTS</th>
						</tr>
					</thead>
					<tbody class="divide-y divide-surface1">
						for _, entry := range leaderboard {
							@standingsRow(entry, season, league)
						}
					</tbody>
				</table>
			</div>
		</div>
	}
}

templ standingsRow(entry *db.LeaderboardEntry, season *db.Season, league *db.League) {
	{{
		r := entry.Record
		goalDiff := r.GoalsFor - r.GoalsAgainst
		var gdStr string
		if goalDiff > 0 {
			gdStr = fmt.Sprintf("+%d", goalDiff)
		} else {
			gdStr = fmt.Sprint(goalDiff)
		}
	}}
	<tr class="hover:bg-surface1 transition-colors">
		<td class="px-3 py-3 text-center text-sm font-medium text-subtext0">
			{ fmt.Sprint(entry.Position) }
		</td>
		<td class="px-4 py-3">
			@links.TeamLinkInSeason(entry.Team, season, league)
		</td>
		<td class="px-3 py-3 text-center text-sm text-subtext0">
			{ fmt.Sprint(r.Played) }
		</td>
		<td class="px-3 py-3 text-center text-sm text-green">
			{ fmt.Sprint(r.Wins) }
		</td>
		<td class="px-3 py-3 text-center text-sm text-teal">
			{ fmt.Sprint(r.OvertimeWins) }
		</td>
		<td class="px-3 py-3 text-center text-sm text-peach">
			{ fmt.Sprint(r.OvertimeLosses) }
		</td>
		<td class="px-3 py-3 text-center text-sm text-red">
			{ fmt.Sprint(r.Losses) }
		</td>
		<td class="px-3 py-3 text-center text-sm text-text">
			{ fmt.Sprint(r.GoalsFor) }
		</td>
		<td class="px-3 py-3 text-center text-sm text-text">
			{ fmt.Sprint(r.GoalsAgainst) }
		</td>
		<td class="px-3 py-3 text-center text-sm">
			if goalDiff > 0 {
				<span class="text-green">{ gdStr }</span>
			} else if goalDiff < 0 {
				<span class="text-red">{ gdStr }</span>
			} else {
				<span class="text-subtext0">{ gdStr }</span>
			}
		</td>
		<td class="px-3 py-3 text-center text-sm font-bold text-blue">
			{ fmt.Sprint(r.Points) }
		</td>
	</tr>
}