# ==============================================================================
# Database Sample Export Script (WINDOWS VERSİYONU)
# Bu script önemli tablolardan örnek veri çeker ve mds/DATABASE_SAMPLES.md'ye yazar
# AI asistanların veritabanı yapısını anlaması için kullanılır
# ==============================================================================

# Kullanım:
# 1. Önce SSM port forwarding başlat: dbconnect
# 2. Yeni PowerShell aç ve çalıştır: .\scripts\export-db-samples.ps1

$OutputFile = "mds\DATABASE_SAMPLES.md"
$DbHost = "localhost"
$DbPort = "15432"
$DbUser = "suggestbet"
$DbName = "boilerplate_db"
$env:PGPASSWORD = "SuGGesT2026SecuRe"

# psql yolunu kontrol et
$psqlPath = "psql"
if (-not (Get-Command $psqlPath -ErrorAction SilentlyContinue)) {
    # PostgreSQL kurulu değilse yaygın yolları dene
    $possiblePaths = @(
        "C:\Program Files\PostgreSQL\18\bin\psql.exe",
        "C:\Program Files\PostgreSQL\17\bin\psql.exe",
        "C:\Program Files\PostgreSQL\16\bin\psql.exe",
        "C:\Program Files\PostgreSQL\15\bin\psql.exe"
    )
    foreach ($path in $possiblePaths) {
        if (Test-Path $path) {
            $psqlPath = $path
            break
        }
    }
}

# Veritabanı bağlantı kontrolü
try {
    $test = & $psqlPath -h $DbHost -p $DbPort -U $DbUser -d $DbName -c "SELECT 1" 2>&1
    if ($LASTEXITCODE -ne 0) { throw "Baglanti hatasi" }
} catch {
    Write-Host "X Veritabanina baglanilamadi!" -ForegroundColor Red
    Write-Host "Once SSM port forwarding baslat: dbconnect" -ForegroundColor Yellow
    Write-Host "PostgreSQL kurulu oldugundan emin ol" -ForegroundColor Yellow
    exit 1
}

Write-Host "Veritabani ornekleri cekiliyor..." -ForegroundColor Cyan

$currentDate = Get-Date -Format "yyyy-MM-dd HH:mm"

# Helper function
function Run-Query($query) {
    & $psqlPath -h $DbHost -p $DbPort -U $DbUser -d $DbName -t -c $query 2>$null
}

# Build content as array of lines
$lines = @()
$lines += "# Database Sample Data"
$lines += ""
$lines += "Bu dosya AI asistanlarin veritabani yapisini anlamasi icin ornek veriler icerir."
$lines += "**Son Guncelleme:** $currentDate"
$lines += ""
$lines += "> Bu dosya otomatik olusturulmustur. Elle duzenlemeyin."
$lines += "> Script: ``scripts/export-db-samples.ps1``"
$lines += ""
$lines += "---"
$lines += ""
$lines += "## Tablo Istatistikleri"
$lines += ""
$lines += "| Tablo | Kayit Sayisi |"
$lines += "|-------|--------------|"

# Tablo sayıları
$tables = @("countries", "leagues", "teams", "players", "matches", "predictions", "odd_categories", "odd_selections", "match_team_stats", "live_matches", "users", "app_settings")
foreach ($table in $tables) {
    $count = (Run-Query "SELECT COUNT(*) FROM $table;").Trim()
    if ($count) {
        $lines += "| $table | $count |"
    }
}

$lines += ""
$lines += "---"
$lines += ""
$lines += "## Matches (Son 5 Mac)"
$lines += '```json'
$matchesJson = Run-Query "SELECT json_agg(t) FROM (SELECT id, match_name, sport, score_home, score_away, state, to_timestamp(mst_utc/1000) as match_time FROM matches ORDER BY mst_utc DESC LIMIT 5) t;"
$lines += $matchesJson
$lines += '```'
$lines += ""

$lines += "## Leagues (Ilk 10)"
$lines += '```json'
$leaguesJson = Run-Query "SELECT json_agg(t) FROM (SELECT id, name, sport, country_id FROM leagues LIMIT 10) t;"
$lines += $leaguesJson
$lines += '```'
$lines += ""

$lines += "## Teams (Ilk 10)"
$lines += '```json'
$teamsJson = Run-Query "SELECT json_agg(t) FROM (SELECT id, name, sport, logo_url FROM teams LIMIT 10) t;"
$lines += $teamsJson
$lines += '```'
$lines += ""

$lines += "## Countries (Ilk 10)"
$lines += '```json'
$countriesJson = Run-Query "SELECT json_agg(t) FROM (SELECT id, name, flag_url FROM countries LIMIT 10) t;"
$lines += $countriesJson
$lines += '```'
$lines += ""

$lines += "## Predictions (Son 5)"
$lines += '```json'
$predictionsJson = Run-Query "SELECT json_agg(t) FROM (SELECT match_id, created_at FROM predictions ORDER BY created_at DESC LIMIT 5) t;"
$lines += $predictionsJson
$lines += '```'
$lines += ""

$lines += "## Match Team Stats (Ornek 5)"
$lines += '```json'
$statsJson = Run-Query "SELECT json_agg(t) FROM (SELECT match_id, team_id, possession_percentage, shots_on_target, shots_off_target FROM match_team_stats LIMIT 5) t;"
$lines += $statsJson
$lines += '```'
$lines += ""

$lines += "## App Settings"
$lines += '```json'
$settingsJson = Run-Query "SELECT json_agg(t) FROM (SELECT key, value FROM app_settings) t;"
$lines += $settingsJson
$lines += '```'
$lines += ""
$lines += "---"
$lines += ""
$lines += "_Bu dosya scripts/export-db-samples.ps1 tarafindan olusturulmustur._"

# Dosyaya yaz
$lines | Out-File -FilePath $OutputFile -Encoding utf8

Write-Host "Export tamamlandi: $OutputFile" -ForegroundColor Green