# sayfalar/genel_bakis.py

from PyQt6.QtWidgets import (QWidget, QVBoxLayout, QHBoxLayout, QLabel,
                             QProgressBar, QGridLayout, QGroupBox, QApplication,
                             QPushButton, QLineEdit, QSizePolicy, QMessageBox, QFrame)
from PyQt6.QtCore import Qt
from PyQt6.QtGui import QCursor, QIcon
from gorsel_araclar import GostergeWidget, HaritaWidget, SvgIkonOlusturucu, SayfaBasligi
import socket
import psutil
import subprocess
import os

class GenelBakisSayfasi(QWidget):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.parent_main = parent
        self.last_lat = 0
        self.last_lon = 0
        self.layout = QVBoxLayout(self)
        self.arayuz_kur()

    def arayuz_kur(self):
        self.layout.setContentsMargins(15, 15, 15, 15)
        self.layout.setSpacing(10)

        # --- BAŞLIK VE HUD ---
        header_container = QWidget()
        hl = QHBoxLayout(header_container); hl.setContentsMargins(0, 0, 0, 0)
        baslik = SayfaBasligi("Genel Bakış", SvgIkonOlusturucu.dashboard_ikonu("#33AADD", 32))
        hl.addWidget(baslik, stretch=1)
        
        btn_hud = QPushButton("HUD MODU")
        btn_hud.setIcon(QIcon(SvgIkonOlusturucu.hud_ikonu("#2ecc71", 24)))
        btn_hud.setFixedWidth(140)
        btn_hud.setCursor(Qt.CursorShape.PointingHandCursor)
        btn_hud.setStyleSheet("font-weight: bold;")
        btn_hud.clicked.connect(self.baslat_hud)
        hl.addWidget(btn_hud)
        self.layout.addWidget(header_container)

        # --- ÜST KISIM (RAM, CPU) ---
        ust = QWidget(); ul = QHBoxLayout(ust); ul.setContentsMargins(0, 0, 0, 0)
        
        # RAM ve Swap
        ram_container = QWidget(); rl = QVBoxLayout(ram_container); rl.setContentsMargins(0,0,0,0)
        self.ram_gosterge = GostergeWidget(baslik="RAM"); rl.addWidget(self.ram_gosterge)
        
        self.lbl_swap = QLabel("Swap: %0")
        self.lbl_swap.setStyleSheet("font-size:8pt; margin-top:2px; opacity: 0.7;") 
        self.lbl_swap.setAlignment(Qt.AlignmentFlag.AlignCenter)
        
        self.swap_bar = QProgressBar(); self.swap_bar.setFixedHeight(5); self.swap_bar.setTextVisible(False)
        self.swap_bar.setStyleSheet("QProgressBar {background: transparent; border: 1px solid #888; border-radius:2px;} QProgressBar::chunk {background: #9b59b6; border-radius:2px;}")
        rl.addWidget(self.lbl_swap); rl.addWidget(self.swap_bar); ul.addWidget(ram_container)

        # CPU
        cg = QGroupBox("İşlemci (CPU) & Sistem"); cl = QVBoxLayout(cg)
        hl = QHBoxLayout(); hl.addWidget(QLabel("Yük:"))
        self.cpu_text = QLabel("%0"); self.cpu_text.setStyleSheet("font-weight:bold;"); hl.addWidget(self.cpu_text); hl.addStretch()
        
        self.lbl_uptime = QLabel("Up: --")
        self.lbl_uptime.setStyleSheet("font-size:9pt; margin-right:10px;")
        hl.addWidget(self.lbl_uptime)
        
        icon_temp = QLabel(); icon_temp.setPixmap(SvgIkonOlusturucu.termometre_getir()); hl.addWidget(icon_temp)
        self.temp_label = QLabel("--°C"); self.temp_label.setStyleSheet("color:#ff5555;font-weight:bold;"); hl.addWidget(self.temp_label); cl.addLayout(hl)
        self.cpu_bar = QProgressBar(); self.cpu_bar.setFixedHeight(10); self.cpu_bar.setFormat(""); cl.addWidget(self.cpu_bar)
        
        self.core_grid = QGridLayout(); self.core_labels = []
        for i in range(psutil.cpu_count(logical=True)):
            l = QLabel(f"Çkrdk {i + 1}: %0")
            l.setStyleSheet("font-size:8pt;") 
            self.core_labels.append(l)
            self.core_grid.addWidget(l, i // 4, i % 4)
            
        cl.addLayout(self.core_grid); ul.addWidget(cg, stretch=1)
        self.layout.addWidget(ust)

        # --- ALT KISIM (BİLGİLER, HARİTA) ---
        alt = QWidget(); al = QHBoxLayout(alt); al.setContentsMargins(0, 0, 0, 0)
        
        # SOL KUTU: Bağlantı Detayları (Yenile Butonlu)
        ag = QGroupBox("Bağlantı Detayları"); ag.setFixedWidth(340); al_v = QVBoxLayout(ag)
        
        # Yenileme Butonu Satırı (Sağ üst)
        h_refresh = QHBoxLayout()
        h_refresh.addStretch()
        self.btn_ag_yenile = QPushButton("Yenile")
        self.btn_ag_yenile.setCursor(Qt.CursorShape.PointingHandCursor)
        self.btn_ag_yenile.setIcon(QIcon(SvgIkonOlusturucu.refresh_ikonu("#33AADD", 16)))
        self.btn_ag_yenile.setStyleSheet("border: 1px solid #555; border-radius: 4px; padding: 2px 8px; font-size: 9pt;")
        self.btn_ag_yenile.clicked.connect(self.manuel_ag_yenile)
        h_refresh.addWidget(self.btn_ag_yenile)
        al_v.addLayout(h_refresh)
        
        w, self.lbl_ssid = self.etiket("SSID", "..."); al_v.addWidget(w)
        w, self.lbl_ip = self.etiket("Yerel IP", "...", True); al_v.addWidget(w)
        w, self.lbl_genel_ip = self.etiket("Harici IP", "...", True); al_v.addWidget(w)
        w, self.lbl_dns = self.etiket("DNS", "..."); al_v.addWidget(w) # YENİ: DNS GÖSTERGESİ
        w, self.lbl_iss = self.etiket("İSS", "..."); al_v.addWidget(w)
        w, self.lbl_konum = self.etiket("Konum", "..."); al_v.addWidget(w)
        al_v.addStretch()

        # Wi-Fi Şifre
        wifi_box = QWidget(); wb_layout = QVBoxLayout(wifi_box); wb_layout.setContentsMargins(0, 5, 0, 5); wb_layout.setSpacing(5)
        h_wifi = QHBoxLayout(); h_wifi.setSpacing(5); icon_key = QLabel(); icon_key.setPixmap(SvgIkonOlusturucu.anahtar_ikonu())
        lbl_wifi_title = QLabel("Wi-Fi Parolası")
        lbl_wifi_title.setStyleSheet("font-weight:bold;"); 
        h_wifi.addWidget(icon_key); h_wifi.addWidget(lbl_wifi_title); h_wifi.addStretch(); wb_layout.addLayout(h_wifi)
        self.wifi_inp = QLineEdit(); self.wifi_inp.setPlaceholderText("Gizli"); self.wifi_inp.setEchoMode(QLineEdit.EchoMode.Password); self.wifi_inp.setReadOnly(True); self.wifi_inp.setStyleSheet("font-weight: bold; padding: 4px;")
        self.btn_show = QPushButton("Göster"); self.btn_show.setFixedWidth(70); self.btn_show.clicked.connect(self.sifre_toggle)
        h_inp = QHBoxLayout(); h_inp.setContentsMargins(0, 0, 0, 0); h_inp.addWidget(self.wifi_inp); h_inp.addWidget(self.btn_show); wb_layout.addLayout(h_inp); al_v.addWidget(wifi_box)

        # TRAFİK SAYACI
        trafik_box = QFrame()
        trafik_box.setStyleSheet("""
            QFrame {
                border: 1px solid #888; 
                border-radius: 6px; 
                margin-top: 10px;
                background-color: transparent; 
            }
        """)
        
        tl = QHBoxLayout(trafik_box); tl.setContentsMargins(10, 10, 10, 10)
        i_down = QLabel(); i_down.setPixmap(SvgIkonOlusturucu.indir_ikonu()); tl.addWidget(i_down)
        self.lbl_indir = QLabel("0 MB"); self.lbl_indir.setStyleSheet("font-weight:bold; color:#33AADD; font-size:11pt; border:none; background:transparent;"); tl.addWidget(self.lbl_indir)
        tl.addStretch()
        i_up = QLabel(); i_up.setPixmap(SvgIkonOlusturucu.yukle_ikonu()); tl.addWidget(i_up)
        self.lbl_yukle = QLabel("0 MB"); self.lbl_yukle.setStyleSheet("font-weight:bold; color:#e67e22; font-size:11pt; border:none; background:transparent;"); tl.addWidget(self.lbl_yukle)
        al_v.addWidget(trafik_box)

        al.addWidget(ag)
        self.map = HaritaWidget(); self.map.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding); al.addWidget(self.map)
        self.layout.addWidget(alt)

    def etiket(self, t, v, c=False):
        w = QWidget(); l = QVBoxLayout(w); l.setContentsMargins(0, 0, 0, 0); l.setSpacing(0)
        l.addWidget(QLabel(f"<span style='font-size:9pt; opacity:0.7;'>{t}</span>")); 
        val = QLabel(v); val.setStyleSheet("color:#33AADD;font-weight:bold;font-size:11pt;")
        if c: val.setCursor(Qt.CursorShape.PointingHandCursor); val.mousePressEvent = lambda e: QApplication.clipboard().setText(val.text())
        l.addWidget(val); return w, val

    def sifre_toggle(self):
        if self.wifi_inp.echoMode() == QLineEdit.EchoMode.Normal: self.wifi_inp.setEchoMode(QLineEdit.EchoMode.Password); self.btn_show.setText("Göster"); return
        ssid = self.lbl_ssid.text()
        if "..." in ssid or "Bilinmiyor" in ssid: return
        env = os.environ.copy(); env["DISPLAY"] = ":0"
        cmds = [["pkexec", "nmcli", "-s", "-g", "802-11-wireless-security.psk", "connection", "show", ssid], ["pkexec", "nmcli", "device", "wifi", "show-password"]]
        sifre = None
        for cmd in cmds:
            try:
                res = subprocess.run(cmd, capture_output=True, text=True, env=env)
                if res.returncode == 0 and res.stdout.strip():
                    out = res.stdout.strip(); sifre = out.split("Password:")[1].strip() if "Password:" in out else out; break
            except: pass
        if sifre: self.wifi_inp.setText(sifre); self.wifi_inp.setEchoMode(QLineEdit.EchoMode.Normal); self.btn_show.setText("Gizle")
        else: QMessageBox.warning(self, "Hata", "Şifre alınamadı.")

    def manuel_ag_yenile(self):
        """Butona basılınca tetiklenir."""
        if hasattr(self.parent_main, 'thread'):
            self.btn_ag_yenile.setText("Alınıyor...")
            self.btn_ag_yenile.setEnabled(False)
            self.parent_main.thread.ag_bilgilerini_yenile()
            # Butonu 3 saniye sonra tekrar aktif et (spam engelleme)
            from PyQt6.QtCore import QTimer
            QTimer.singleShot(3000, lambda: [self.btn_ag_yenile.setText("Yenile"), self.btn_ag_yenile.setEnabled(True)])

    def guncelle(self, veri):
        cpu_val = int(veri.get("toplam_cpu_yuzde", 0))
        self.ram_gosterge.degeri_ayarla(veri.get("ram_yuzde", 0))
        swap_val = int(veri.get("swap_yuzde", 0))
        self.swap_bar.setValue(swap_val); self.lbl_swap.setText(f"Swap: %{swap_val}")
        self.lbl_swap.setToolTip(f"Kullanılan: {veri.get('swap_kullanilan')} / Toplam: {veri.get('swap_toplam')}")
        self.lbl_uptime.setText(f"Açık Kalma Süresi: {veri.get('uptime', '--')}")
        self.cpu_bar.setValue(cpu_val); self.cpu_text.setText(f"%{cpu_val}")
        self.temp_label.setText(f"{veri.get('cpu_sicaklik', 0):.1f}°C")
        for i, v in enumerate(veri.get("cpu_yuzde", [])):
            if i < len(self.core_labels): self.core_labels[i].setText(f"Çekirdek {i + 1}: %{v:.0f}")
        self.lbl_ssid.setText(veri.get("ag_ssid", "..."))
        self.lbl_ip.setText(socket.gethostbyname(socket.gethostname()))
        self.lbl_indir.setText(f"{veri.get('ag_alinan', '0 MB')}")
        self.lbl_yukle.setText(f"{veri.get('ag_gonderilen', '0 MB')}")
        
        # DNS Bilgisi
        self.lbl_dns.setText(veri.get("dns_bilgi", "Bilinmiyor"))
        
        # Konum ve Harita Güncelleme (Değişiklik varsa güncelle)
        k = veri.get("konum_bilgisi", {})
        if k and k.get("ip") != "N/A":
            self.lbl_genel_ip.setText(k.get("ip"))
            self.lbl_iss.setText(k.get("org"))
            self.lbl_konum.setText(f"{k.get('sehir')}, {k.get('ulke')}")
            
            # Harita sadece konum değiştiyse güncellenir
            current_lat = k.get("lat")
            current_lon = k.get("lon")
            if current_lat and (current_lat != self.last_lat or current_lon != self.last_lon):
                 self.map.konumu_guncelle(current_lat, current_lon)
                 self.last_lat = current_lat
                 self.last_lon = current_lon

    def baslat_hud(self):
        if hasattr(self.parent_main, 'hud_moduna_gec'): self.parent_main.hud_moduna_gec()