package seasonsview

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

// PlayoffBracketView renders the full bracket visualization
templ PlayoffBracketView(season *db.Season, league *db.League, bracket *db.PlayoffBracket) {
	<div class="space-y-6">
		<!-- Bracket Header -->
		<div class="flex items-center justify-between">
			<div>
				<h2 class="text-xl font-bold text-text flex items-center gap-2">
					<span class="text-yellow">&#9733;</span>
					Finals Bracket
				</h2>
				<p class="text-sm text-subtext0 mt-1">
					{ formatLabel(bracket.Format) }
				</p>
			</div>
			<div>
				@playoffStatusBadge(bracket.Status)
			</div>
		</div>
		<!-- Bracket Series List -->
		<div class="space-y-4">
			@bracketRounds(season, league, bracket)
		</div>
	</div>
}

// bracketRounds groups series by round and renders them
templ bracketRounds(season *db.Season, league *db.League, bracket *db.PlayoffBracket) {
	{{
		// Group series by round
		rounds := groupSeriesByRound(bracket.Series)
		roundOrder := getRoundOrder(bracket.Format)
	}}
	for _, roundName := range roundOrder {
		if series, ok := rounds[roundName]; ok {
			<div class="space-y-3">
				<h3 class="text-sm font-semibold text-subtext0 uppercase tracking-wider">
					{ formatRoundName(roundName) }
				</h3>
				<div class="grid grid-cols-1 md:grid-cols-2 gap-3">
					for _, s := range series {
						@seriesCard(season, league, s)
					}
				</div>
			</div>
		}
	}
}

templ seriesCard(season *db.Season, league *db.League, series *db.PlayoffSeries) {
	<div class={ "bg-surface0 border rounded-lg overflow-hidden",
		templ.KV("border-blue/50", series.Status == db.SeriesStatusInProgress),
		templ.KV("border-surface1", series.Status != db.SeriesStatusInProgress) }>
		<!-- Series Header -->
		<div class="bg-mantle px-4 py-2 flex items-center justify-between border-b border-surface1">
			<div class="flex items-center gap-2">
				<span class="text-xs font-semibold text-subtext0">{ series.Label }</span>
				@seriesFormatBadge(series.MatchesToWin)
			</div>
			@seriesStatusBadge(series.Status)
		</div>
		<!-- Teams -->
		<div class="divide-y divide-surface1">
			@seriesTeamRow(season, league, series.Team1, series.Team1Seed, series.Team1Wins,
				series.WinnerTeamID, series.MatchesToWin)
			@seriesTeamRow(season, league, series.Team2, series.Team2Seed, series.Team2Wins,
				series.WinnerTeamID, series.MatchesToWin)
		</div>
		<!-- Series Score -->
		if series.MatchesToWin > 1 {
			<div class="bg-mantle px-4 py-1.5 text-center text-xs text-subtext0 border-t border-surface1">
				{ fmt.Sprint(series.Team1Wins) } - { fmt.Sprint(series.Team2Wins) }
			</div>
		}
	</div>
}

templ seriesTeamRow(season *db.Season, league *db.League, team *db.Team, seed *int, wins int, winnerID *int, matchesToWin int) {
	{{
		isWinner := false
		if team != nil && winnerID != nil {
			isWinner = team.ID == *winnerID
		}
		isTBD := team == nil
	}}
	<div class={ "flex items-center justify-between px-4 py-2.5",
		templ.KV("bg-green/5", isWinner) }>
		<div class="flex items-center gap-2">
			if seed != nil {
				<span class="text-xs font-mono text-subtext0 w-5 text-right">
					{ fmt.Sprint(*seed) }
				</span>
			} else {
				<span class="text-xs font-mono text-subtext0 w-5 text-right">-</span>
			}
			if isTBD {
				<span class="text-sm text-subtext1 italic">TBD</span>
			} else {
				@links.TeamLinkInSeason(team, season, league)
				if isWinner {
					<span class="text-green text-xs">✓</span>
				}
			}
		</div>
		if matchesToWin > 1 {
			<span class={ "text-sm font-mono",
				templ.KV("text-text", !isWinner),
				templ.KV("text-green font-bold", isWinner) }>
				{ fmt.Sprint(wins) }
			</span>
		}
	</div>
}

templ playoffStatusBadge(status db.PlayoffStatus) {
	switch status {
		case db.PlayoffStatusUpcoming:
			<span class="px-2 py-0.5 bg-blue/20 text-blue rounded text-xs font-medium">
				Upcoming
			</span>
		case db.PlayoffStatusInProgress:
			<span class="px-2 py-0.5 bg-yellow/20 text-yellow rounded text-xs font-medium">
				In Progress
			</span>
		case db.PlayoffStatusCompleted:
			<span class="px-2 py-0.5 bg-green/20 text-green rounded text-xs font-medium">
				Completed
			</span>
	}
}

templ seriesFormatBadge(matchesToWin int) {
	{{
		label := fmt.Sprintf("BO%d", matchesToWin*2-1)
	}}
	<span class="px-1.5 py-0.5 bg-surface1 text-subtext1 rounded text-xs font-mono">
		{ label }
	</span>
}

templ seriesStatusBadge(status db.SeriesStatus) {
	switch status {
		case db.SeriesStatusPending:
			<span class="px-1.5 py-0.5 bg-surface1 text-subtext0 rounded text-xs">
				Pending
			</span>
		case db.SeriesStatusInProgress:
			<span class="px-1.5 py-0.5 bg-blue/20 text-blue rounded text-xs">
				Live
			</span>
		case db.SeriesStatusCompleted:
			<span class="px-1.5 py-0.5 bg-green/20 text-green rounded text-xs">
				Complete
			</span>
		case db.SeriesStatusBye:
			<span class="px-1.5 py-0.5 bg-surface1 text-subtext0 rounded text-xs">
				Bye
			</span>
	}
}