#!/usr/bin/env php
<?php
/**
 * fix-finality-types.php — Rename finality types from old masculine/spelling to
 * canonical feminine forms.
 *
 *   Approfondi   → Approfondie
 *   Didactique   → Enseignement
 *   Spécialisé   → Spécialisée
 *
 * Idempotent — safe to run multiple times.
 *
 * Usage:
 *   php scripts/fix-finality-types.php [DB_PATH]
 * Default: storage/xamxam.db
 */

$root = dirname(__DIR__);

// Detect layout: local dev has app/storage/, server has storage/ at root
if ($argc > 1) {
    $dbPath = $argv[1];
} elseif (file_exists($root . '/app/storage/xamxam.db')) {
    $dbPath = $root . '/app/storage/xamxam.db';
} elseif (file_exists($root . '/storage/xamxam.db')) {
    $dbPath = $root . '/storage/xamxam.db';
} else {
    die("Database not found. Pass path as argument.\n");
}

if (!file_exists($dbPath)) {
    die("Database not found: $dbPath\n");
}

$pdo = new PDO('sqlite:' . $dbPath);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

$renames = [
    'Approfondi'    => 'Approfondie',
    'Didactique'    => 'Enseignement',
    'Spécialisé'    => 'Spécialisée',
];

foreach ($renames as $old => $new) {
    // Check if old name exists
    $oldId = $pdo->query("SELECT id FROM finality_types WHERE name = '$old'")->fetchColumn();
    if (!$oldId) {
        echo "  [skip] '$old' not found\n";
        continue;
    }

    // Get or create canonical row
    $newId = $pdo->query("SELECT id FROM finality_types WHERE name = '$new'")->fetchColumn();
    if (!$newId) {
        $pdo->exec("INSERT INTO finality_types (name) VALUES ('$new')");
        $newId = $pdo->lastInsertId();
    }

    // Relink theses from old to new
    $updated = $pdo->exec("
        UPDATE theses SET finality_id = $newId
        WHERE finality_id = $oldId
    ");
    echo "  Relinked $updated thesis(es) from '$old' → '$new'\n";

    // Delete old row
    $pdo->exec("DELETE FROM finality_types WHERE id = $oldId");
    echo "  Deleted '$old' (id=$oldId)\n";
}

echo "Done.\n";