package components

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

templ StatusBanner(g *game.Game, myColor int) {
	<div id="c4-status" class={ statusClass(g, myColor) }>
		{ statusMessage(g, myColor) }
		if g.IsFinished() {
			if g.RematchGameID != nil {
				<a
					class="btn btn-sm bg-white text-gray-800 border-none ml-4"
					href={ templ.SafeURL("/games/" + *g.RematchGameID) }
				>
					Join Rematch
				</a>
			} else {
				<button
					class="btn btn-sm bg-white text-gray-800 border-none ml-4"
					type="button"
					data-on:click={ datastar.PostSSE("/games/%s/rematch", g.ID) }
				>
					Play again
				</button>
			}
		}
	</div>
}

templ PlayerInfo(g *game.Game, myColor int) {
	<div id="c4-players" class="flex gap-8 mb-2">
		for _, info := range playerInfoPairs(g, myColor) {
			<div class="flex items-center gap-2">
				<span class={ "player-chip " + info.ColorClass }></span>
				<span>{ info.Label }</span>
			</div>
		}
	</div>
}

templ InviteLink(gameID string) {
	<div class="mt-4 text-center">
		<p>Share this link with your opponent:</p>
		<div class="bg-base-200 p-4 rounded-lg font-mono break-all my-2">
			{ config.Global.AppURL + "/games/" + gameID }
		</div>
		<button
			class="btn btn-sm mt-2"
			type="button"
			onclick={ copyToClipboard(config.Global.AppURL + "/games/" + gameID) }
		>
			Copy Link
		</button>
	</div>
}

script copyToClipboard(url string) {
	navigator.clipboard.writeText(url)
}

func statusClass(g *game.Game, myColor int) string {
	switch g.Status {
	case game.StatusWaitingForPlayer:
		return "alert bg-base-200 text-xl font-bold"
	case game.StatusInProgress:
		if g.CurrentTurn == myColor {
			return "alert alert-success text-xl font-bold"
		}
		return "alert bg-base-200 text-xl font-bold"
	case game.StatusWon:
		if g.Winner != nil && g.Winner.Color == myColor {
			return "alert alert-success text-xl font-bold"
		}
		return "alert alert-error text-xl font-bold"
	case game.StatusDraw:
		return "alert alert-warning text-xl font-bold"
	}
	return "alert bg-base-200 text-xl font-bold"
}

func statusMessage(g *game.Game, myColor int) string {
	switch g.Status {
	case game.StatusWaitingForPlayer:
		return "Waiting for opponent..."
	case game.StatusInProgress:
		if g.CurrentTurn == myColor {
			return "Your turn!"
		}
		return opponentName(g, myColor) + "'s turn"
	case game.StatusWon:
		if g.Winner != nil && g.Winner.Color == myColor {
			return "You win!"
		}
		if g.Winner != nil {
			return g.Winner.Nickname + " wins!"
		}
		return "Game over"
	case game.StatusDraw:
		return "It's a draw!"
	}
	return ""
}

func opponentName(g *game.Game, myColor int) string {
	for _, p := range g.Players {
		if p != nil && p.Color != myColor {
			return p.Nickname
		}
	}
	return "Opponent"
}

type playerInfoData struct {
	ColorClass string
	Label      string
}

func playerInfoPairs(g *game.Game, myColor int) []playerInfoData {
	var result []playerInfoData

	var myName, oppName string
	var myClass, oppClass string

	for _, p := range g.Players {
		if p == nil {
			continue
		}
		colorClass := "yellow"
		if p.Color == 1 {
			colorClass = "red"
		}
		if p.Color == myColor {
			myName = p.Nickname
			myClass = colorClass
		} else {
			oppName = p.Nickname
			oppClass = colorClass
		}
	}

	if oppName == "" {
		oppName = "Waiting..."
	}

	result = append(result, playerInfoData{ColorClass: myClass, Label: myName + " (You)"})
	result = append(result, playerInfoData{ColorClass: oppClass, Label: oppName})
	return result
}