<?php
header("Content-Type: application/json");
header("Access-Control-Allow-Origin: *");
$action = $_GET["action"] ?? "overview";

$platforms = [
    "linkedin" => [
        "pages" => ["WEVAL Consulting","WEVAL Life Sciences"],
        "profile" => "yacinemahboub",
        "api" => "linkedin.com/developers",
        "status" => "SCAN_SELENIUM",
        "scan_cmd" => "python3 /opt/weval-l99/social-scanner.py linkedin"
    ],
    "youtube" => [
        "channel" => "WEVAL Consulting",
        "api" => "YouTube Data API v3",
        "key_location" => "/etc/weval/secrets.env",
        "status" => "API_READY",
        "scan_cmd" => "python3 /opt/weval-l99/social-scanner.py youtube"
    ],
    "instagram" => [
        "account" => "@weval_consulting",
        "api" => "Instagram Graph API (via Meta Business)",
        "status" => "NEED_TOKEN",
        "scan_cmd" => "python3 /opt/weval-l99/social-scanner.py instagram"
    ],
    "tiktok" => [
        "account" => "@weval",
        "api" => "TikTok Business API",
        "status" => "NEED_TOKEN",
        "scan_cmd" => "python3 /opt/weval-l99/social-scanner.py tiktok"
    ],
    "meta" => [
        "page" => "WEVAL Consulting",
        "api" => "Meta Marketing API",
        "status" => "NEED_TOKEN",
        "scan_cmd" => "python3 /opt/weval-l99/social-scanner.py meta"
    ],
    "snapchat" => [
        "account" => "@weval",
        "api" => "Snap Marketing API",
        "status" => "NEED_TOKEN",
        "scan_cmd" => "python3 /opt/weval-l99/social-scanner.py snapchat"
    ]
];

$diagnostic = [
    "causes_racines_linkedin" => [
        "1" => "Pages entreprise = -80% reach vs profil personnel",
        "2" => "13-15 hashtags = spam flag, reach cape",
        "3" => "Timing: heures bureau au lieu de 7h30/17h30",
        "4" => "Contenu produit, pas storytelling",
        "5" => "Zero question/CTA dans les posts",
        "6" => "Pas advocacy employes",
        "7" => "Videos longues, pas de hook 3s",
        "8" => "Culturel Maroc B2B: engagement public = prise position",
        "9" => "2 pages fragmentees",
        "10" => "Pas de reponse commentaires <30min"
    ],
    "causes_cross_platform" => [
        "1" => "Pas de strategie cross-posting (LinkedIn->YouTube->Insta)",
        "2" => "Contenu non adapte par plateforme (meme format partout)",
        "3" => "Pas de calendrier editorial unifie",
        "4" => "Analytics fragmentes, pas de vue consolidee",
        "5" => "Pas de repurposing: 1 video longue = 10 shorts + 5 carrousels"
    ],
    "actions" => [
        "A1" => "3-5 hashtags max (LinkedIn), trending hashtags (TikTok/Insta)",
        "A2" => "Cross-post adapte: LinkedIn=article, YouTube=demo, TikTok=short 30s, Insta=carousel",
        "A3" => "Calendrier editorial 4x/semaine: Lu=LinkedIn, Me=YouTube, Ve=Insta/TikTok, Sa=perso",
        "A4" => "Repurposing pipeline: 1 video demo -> 3 shorts + 1 carrousel + 1 article",
        "A5" => "Employee advocacy: chaque post reposte par 3+ personnes",
        "A6" => "Dashboard temps reel: toutes plateformes dans 1 ecran",
        "A7" => "Alertes engagement: notification si post depasse seuil",
        "A8" => "A/B testing: 2 versions par contenu, mesurer ce qui marche",
        "A9" => "Communaute: repondre a chaque commentaire en <30min",
        "A10" => "Budget boost: 50-100MAD/post sur les meilleurs performers"
    ],
    "kpi_cibles" => [
        "linkedin" => ["engagement_rate" => ">3%", "comments" => ">5/post"],
        "youtube" => ["watch_time" => ">2min", "subscribers" => "+50/mois"],
        "instagram" => ["saves" => ">10/post", "reach" => ">1000/post"],
        "tiktok" => ["views" => ">1000/video", "completion_rate" => ">40%"]
    ]
];

// Cache du dernier scan
$cache = @json_decode(@file_get_contents("/tmp/social-scan-cache.json"), true) ?: [];

if ($action === "overview") {
    echo json_encode(["ok"=>true,"ts"=>date("c"),"platforms"=>$platforms,"diagnostic"=>$diagnostic,"last_scan"=>$cache], JSON_PRETTY_PRINT|JSON_UNESCAPED_UNICODE);
} elseif ($action === "scan") {
    $platform = $_GET["platform"] ?? "all";
    $cmd = "nohup python3 /opt/weval-l99/social-scanner.py $platform > /tmp/social-scan.log 2>&1 & echo $!";
    $pid = trim(shell_exec($cmd));
    echo json_encode(["ok"=>true,"action"=>"scan_launched","platform"=>$platform,"pid"=>$pid]);
} elseif ($action === "schedule") {
    echo json_encode(["ok"=>true,"schedule"=>[
        "lundi_7h30"=>"LinkedIn: article/carrousel technique",
        "mardi_12h00"=>"YouTube: video demo 3-5min",
        "mercredi_17h30"=>"Instagram: carrousel behind-the-scenes",
        "jeudi_8h00"=>"LinkedIn: success story client",
        "vendredi_12h00"=>"TikTok: short 30s hook fort",
        "samedi_9h00"=>"Yacine perso: reflexion leadership"
    ]], JSON_PRETTY_PRINT);
} elseif ($action === "reco") {
    // Recommendations IA via sovereign
    $ctx2 = stream_context_create(["http"=>["timeout"=>5,"method"=>"POST","header"=>"Content-Type: application/json","content"=>json_encode(["messages"=>[["role"=>"user","content"=>"Donne 5 idees de posts LinkedIn pour une entreprise de consulting IT au Maroc specialisee en IA souveraine et email marketing. Format: titre + hook 1 ligne + 3 hashtags"]],"max_tokens"=>300,"stream"=>false])]]);
    $resp = @file_get_contents("http://127.0.0.1:4000/v1/chat/completions", false, $ctx2);
    $r = @json_decode($resp, true);
    $ideas = $r["choices"][0]["message"]["content"] ?? "Sovereign indisponible";
    echo json_encode(["ok"=>true,"recommendations"=>$ideas], JSON_PRETTY_PRINT|JSON_UNESCAPED_UNICODE);
}
?>