from flask import Flask, request, session, redirect
import sqlite3
from datetime import datetime

app = Flask(__name__)
app.secret_key = "sneaky-snakes-snacken-snacks"


def get_db():
    db = sqlite3.connect("adventure.db")
    db.row_factory = sqlite3.Row
    return db


def layout(content):
    return f"""
    <style>
      :root {{
        --bg1: #050608;
        --bg2: #0b1220;
        --card: rgba(15, 23, 42, 0.92);
        --border: rgba(148, 163, 184, 0.18);
        --text: #e5e7eb;
        --muted: #94a3b8;
        --accent: #7f1d1d;
        --accent2: #991b1b;
        --shadow: rgba(0,0,0,0.55);
      }}

      * {{
        box-sizing: border-box;
      }}

      body {{
        margin: 0;
        min-height: 100vh;
        background:
          radial-gradient(circle at top, rgba(127, 29, 29, 0.18), transparent 30%),
          radial-gradient(circle at bottom right, rgba(148, 163, 184, 0.06), transparent 24%),
          linear-gradient(180deg, var(--bg2), var(--bg1));
        color: var(--text);
        font-family: Inter, "Segoe UI", system-ui, sans-serif;
        display: grid;
        place-items: center;
        padding: 2rem 1rem;
        line-height: 1.6;
      }}

      .card {{
        width: min(840px, 100%);
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 22px;
        padding: 2rem;
        box-shadow: 0 20px 60px var(--shadow);
        backdrop-filter: blur(10px);
      }}

      h1 {{
        margin-top: 0;
        margin-bottom: 0.75rem;
        font-size: clamp(2rem, 4vw, 3rem);
        letter-spacing: 0.06em;
        text-transform: uppercase;
      }}

      p, small, label {{
        color: var(--text);
      }}

      .muted {{
        color: var(--muted);
      }}

      form {{
        margin-top: 1rem;
      }}

      input {{
        width: 100%;
        max-width: 360px;
        margin: 0.35rem 0 0.8rem;
        padding: 0.8rem 1rem;
        border-radius: 12px;
        border: 1px solid var(--border);
        background: #0b1220;
        color: var(--text);
        font: inherit;
        outline: none;
      }}

      input:focus {{
        border-color: rgba(127, 29, 29, 0.9);
        box-shadow: 0 0 0 3px rgba(127, 29, 29, 0.2);
      }}

      a, button {{
        display: inline-block;
        margin: .35rem .35rem 0 0;
        padding: .7rem 1rem;
        border-radius: 12px;
        border: 1px solid rgba(127, 29, 29, 0.95);
        background: linear-gradient(180deg, var(--accent2), var(--accent));
        color: #fff;
        text-decoration: none;
        cursor: pointer;
        font: inherit;
        transition: transform .15s ease, filter .15s ease, background .15s ease;
      }}

      a:hover, button:hover {{
        transform: translateY(-1px);
        filter: brightness(1.08);
      }}

      .secondary {{
        background: #111827;
        border-color: rgba(148, 163, 184, 0.18);
      }}

      .exits {{
        margin-top: 1rem;
      }}

      .highscore {{
        margin-top: 1.5rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(148, 163, 184, 0.15);
      }}

      ol {{
        margin: 0.5rem 0 0;
        padding-left: 1.3rem;
      }}

      li {{
        margin: 0.35rem 0;
      }}
    </style>
    <div class="card">
      {content}
    </div>
    """


def ensure_columns():
    db = get_db()
    db.execute("""
        CREATE TABLE IF NOT EXISTS highscore (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            spieler TEXT NOT NULL,
            sekunden REAL NOT NULL,
            gewonnen_am TEXT NOT NULL
        )
    """)
    try:
        db.execute("ALTER TABLE spielstand ADD COLUMN startzeit TEXT")
    except sqlite3.OperationalError:
        pass
    try:
        db.execute("ALTER TABLE spielstand ADD COLUMN fertig INTEGER DEFAULT 0")
    except sqlite3.OperationalError:
        pass
    db.commit()
    db.close()


ensure_columns()


@app.route("/", methods=["GET", "POST"])
def start():
    if request.method == "POST":
        name = request.form["name"].strip()
        if name != "":
            session["spieler"] = name
            session["startzeit"] = datetime.utcnow().isoformat()

            db = get_db()
            row = db.execute(
                "SELECT spieler FROM spielstand WHERE spieler=?",
                (name,)
            ).fetchone()

            if row:
                db.execute(
                    "UPDATE spielstand SET raum_id=1, startzeit=?, fertig=0 WHERE spieler=?",
                    (session["startzeit"], name)
                )
            else:
                db.execute(
                    "INSERT INTO spielstand (spieler, raum_id, startzeit, fertig) VALUES (?, 1, ?, 0)",
                    (name, session["startzeit"])
                )

            db.commit()
            db.close()
            return redirect("/app/raum/1")

    db = get_db()
    anzahl = db.execute("SELECT COUNT(*) AS n FROM spielstand").fetchone()["n"]
    highscores = db.execute(
        "SELECT spieler, sekunden, gewonnen_am FROM highscore ORDER BY sekunden ASC, gewonnen_am ASC LIMIT 10"
    ).fetchall()
    db.close()

    html = "<h1>Verlies</h1>"
    html += f"<p class='muted'>{anzahl} Abenteurer waren schon hier.</p>"

    if "spieler" in session:
        db = get_db()
        s = db.execute(
            "SELECT raum_id FROM spielstand WHERE spieler=?",
            (session["spieler"],)
        ).fetchone()
        db.close()
        if s:
            html += f"<p>Willkommen zurück, <strong>{session['spieler']}</strong>!</p>"
            html += f'<a href="/app/raum/{s["raum_id"]}">Weiterspielen</a>'
            html += '<a class="secondary" href="/app/reset">Neues Abenteuer</a>'

    html += """
    <form method="post">
      <label for="name">Dein Name:</label><br>
      <input id="name" name="name" placeholder="Zum Beispiel Mara">
      <br>
      <button type="submit">Abenteuer starten</button>
    </form>
    """

    html += "<div class='highscore'><h2>Highscore</h2>"
    if highscores:
        html += "<ol>"
        for hs in highscores:
            minuten = int(hs["sekunden"] // 60)
            sekunden = int(hs["sekunden"] % 60)
            zeit = f"{minuten}m {sekunden}s" if minuten else f"{sekunden}s"
            html += f"<li><strong>{hs['spieler']}</strong> — {zeit}</li>"
        html += "</ol>"
    else:
        html += "<p class='muted'>Noch kein Schatz gefunden.</p>"
    html += "</div>"

    return layout(html)


@app.route("/raum/<int:id>", methods=["GET", "POST"])
def raum(id):
    db = get_db()

    if "spieler" in session:
        db.execute(
            "UPDATE spielstand SET raum_id=? WHERE spieler=?",
            (id, session["spieler"])
        )
        db.commit()

    r = db.execute("SELECT * FROM raeume WHERE id=?", (id,)).fetchone()

    if r["raetsel_frage"]:
        if request.method == "POST":
            if request.form["antwort"].strip() == r["raetsel_antwort"]:
                now = datetime.utcnow()
                startzeit_str = session.get("startzeit")
                if not startzeit_str:
                    row = db.execute(
                        "SELECT startzeit FROM spielstand WHERE spieler=?",
                        (session["spieler"],)
                    ).fetchone()
                    startzeit_str = row["startzeit"] if row else None

                if startzeit_str and "spieler" in session:
                    startzeit = datetime.fromisoformat(startzeit_str)
                    sekunden = (now - startzeit).total_seconds()

                    bereits = db.execute(
                        "SELECT 1 FROM highscore WHERE spieler=? AND gewonnen_am=?",
                        (session["spieler"], now.date().isoformat())
                    ).fetchone()

                    db.execute(
                        "INSERT INTO highscore (spieler, sekunden, gewonnen_am) VALUES (?, ?, ?)",
                        (session["spieler"], sekunden, now.date().isoformat())
                    )
                    db.execute(
                        "UPDATE spielstand SET fertig=1 WHERE spieler=?",
                        (session["spieler"],)
                    )
                    db.commit()

                db.close()
                return layout("""
                    <h1>Du findest einen Schatz</h1>
                    <p>Herzlichen Glückwunsch. Du hast das Verlies überlebt.</p>
                    <a href="/app/">Zurück zum Anfang</a>
                """)

            db.close()
            return layout(f"""
                <h1>Leider falsch</h1>
                <p>Die Antwort war nicht richtig.</p>
                <a href="/app/raum/{id}">Nochmal</a>
            """)

        db.close()
        return layout(f"""
            <h1>{r["name"]}</h1>
            <p>{r["beschreibung"]}</p>
            <form method="post">
              <label for="antwort">{r["raetsel_frage"]}</label><br>
              <input id="antwort" name="antwort" placeholder="Antwort eingeben">
              <br>
              <button type="submit">OK</button>
            </form>
        """)

    ausgaenge = db.execute(
        "SELECT richtung, nach_raum FROM ausgaenge WHERE von_raum=?",
        (id,)
    ).fetchall()
    db.close()

    exits_html = ""
    for a in ausgaenge:
        exits_html += f'<a href="/app/raum/{a["nach_raum"]}">{a["richtung"]}</a>'

    spieler_html = ""
    if "spieler" in session:
        spieler_html = f'<p class="muted">Unterwegs als: {session["spieler"]}</p>'

    html = f"""
    <h1>{r["name"]}</h1>
    <p>{r["beschreibung"]}</p>
    {spieler_html}
    <div class="exits">{exits_html}</div>
    """
    return layout(html)


@app.route("/reset")
def reset():
    session.pop("spieler", None)
    session.pop("startzeit", None)
    return redirect("/app/")


if __name__ == "__main__":
    app.run(host="0.0.0.0", port=9008)