-- ============================================================
-- verify.sql — Jeux de requêtes de vérification (Sprint 1)
-- ============================================================

\echo '=== 0) Version & horodatage ===================================='
SELECT version();
SELECT NOW() AS executed_at;

\echo '=== 1) Comptes & répartition par rôle =========================='
SELECT role, COUNT(*) AS nb
FROM utilisateurs
GROUP BY role
ORDER BY nb DESC;

\echo '=== 2) Utilisateurs en attente / acceptés / rejetés ============'
SELECT statut, COUNT(*) AS nb
FROM utilisateurs
GROUP BY statut
ORDER BY nb DESC;

\echo '=== 3) Parents avec co-parents (NULL si pas de co-parent) ======'
SELECT p.id_utilisateur AS parent_id,
       u.email AS parent_email,
       p.id_co_parent,
       uc.email AS co_parent_email
FROM parents p
JOIN utilisateurs u  ON u.id = p.id_utilisateur
LEFT JOIN utilisateurs uc ON uc.id = p.id_co_parent
ORDER BY parent_email;

\echo '=== 4) Enfants (statut, dates cohérentes) ======================'
SELECT id, prenom, nom, statut, date_naissance, date_prevue_naissance
FROM enfants
ORDER BY nom, prenom;

\echo '=== 5) Liaison N:N parents_enfants ============================='
SELECT ep.id_parent, up.email AS parent_email, ep.id_enfant, e.prenom AS enfant
FROM enfants_parents ep
JOIN utilisateurs up ON up.id = ep.id_parent
JOIN enfants e       ON e.id  = ep.id_enfant
ORDER BY parent_email, enfant;

\echo '=== 6) Dossiers (parent, enfant, statut) ======================='
SELECT d.id, up.email AS parent_email, e.prenom AS enfant, d.statut, d.budget
FROM dossiers d
JOIN utilisateurs up ON up.id = d.id_parent
JOIN enfants e       ON e.id  = d.id_enfant
ORDER BY d.cree_le DESC;

\echo '=== 7) Messages par dossier (ordre chronologique) =============='
SELECT m.id, m.id_dossier, m.id_expediteur, ue.email AS expediteur_email, m.contenu, m.cree_le
FROM messages m
LEFT JOIN utilisateurs ue ON ue.id = m.id_expediteur
ORDER BY m.id_dossier, m.cree_le;

\echo '=== 8) Contrats 1:1 avec dossier + avenants ===================='
SELECT c.id AS contrat_id, c.id_dossier, c.statut,
       COUNT(a.id) AS nb_avenants
FROM contrats c
LEFT JOIN avenants_contrats a ON a.id_contrat = c.id
GROUP BY c.id, c.id_dossier, c.statut
ORDER BY c.cree_le DESC;

\echo '=== 9) Evénements par enfant (30 derniers jours) =============='
SELECT ev.id, ev.type, ev.id_enfant, e.prenom AS enfant, ev.date_debut, ev.date_fin, ev.statut
FROM evenements ev
JOIN enfants e ON e.id = ev.id_enfant
WHERE ev.date_debut >= (NOW()::date - INTERVAL '30 days')
ORDER BY ev.date_debut DESC;

\echo '=== 10) Uploads & notifications récentes ======================='
SELECT u.email, up.fichier_url, up.type AS fichier_type, up.cree_le
FROM uploads up
LEFT JOIN utilisateurs u ON u.id = up.id_utilisateur
ORDER BY up.cree_le DESC;

SELECT u.email, n.contenu, n.lu, n.cree_le
FROM notifications n
LEFT JOIN utilisateurs u ON u.id = n.id_utilisateur
ORDER BY n.cree_le DESC;

\echo '=== 11) Validations (qui a validé quoi) ========================'
SELECT v.id, u.email AS utilisateur_email, v.type, v.statut, v.cree_le
FROM validations v
LEFT JOIN utilisateurs u ON u.id = v.id_utilisateur
ORDER BY v.cree_le DESC;

-- ============================================================
-- Vérifications d'intégrité (requêtes de contrôle)
-- ============================================================
\echo '=== 12) Orphelins potentiels (doivent renvoyer 0 ligne) ======='

-- Messages orphelins (dossier manquant)
SELECT m.*
FROM messages m
LEFT JOIN dossiers d ON d.id = m.id_dossier
WHERE d.id IS NULL;

-- Liaisons enfants_parents orphelines
SELECT ep.*
FROM enfants_parents ep
LEFT JOIN parents p ON p.id_utilisateur = ep.id_parent
LEFT JOIN enfants  e ON e.id = ep.id_enfant
WHERE p.id_utilisateur IS NULL OR e.id IS NULL;

-- Contrats sans dossier
SELECT c.*
FROM contrats c
LEFT JOIN dossiers d ON d.id = c.id_dossier
WHERE d.id IS NULL;

-- Avenants sans contrat
SELECT a.*
FROM avenants_contrats a
LEFT JOIN contrats c ON c.id = a.id_contrat
WHERE c.id IS NULL;

-- Evénements sans enfant
SELECT ev.*
FROM evenements ev
LEFT JOIN enfants e ON e.id = ev.id_enfant
WHERE e.id IS NULL;

\echo '=== 13) Performance : EXPLAIN sur requêtes clés ==============='

-- Messages par dossier (doit utiliser idx_messages_id_dossier_cree_le)
EXPLAIN ANALYZE
SELECT m.*
FROM messages m
WHERE m.id_dossier = 'dddddddd-dddd-dddd-dddd-dddddddddddd'
ORDER BY m.cree_le DESC
LIMIT 20;

-- Evénements par enfant et période (idx_evenements_id_enfant_date_debut)
EXPLAIN ANALYZE
SELECT ev.*
FROM evenements ev
WHERE ev.id_enfant = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
  AND ev.date_debut >= '2025-01-01';

-- Notifications non lues (idx_notifications_user_lu_cree_le)
EXPLAIN ANALYZE
SELECT n.*
FROM notifications n
WHERE n.id_utilisateur = '33333333-3333-3333-3333-333333333333'
  AND n.lu = false
ORDER BY n.cree_le DESC
LIMIT 20;

-- Dossiers par parent/enfant (idx_dossiers_id_parent/id_enfant/statut)
EXPLAIN ANALYZE
SELECT d.*
FROM dossiers d
WHERE d.id_parent = '33333333-3333-3333-3333-333333333333'
  AND d.id_enfant = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
ORDER BY d.cree_le DESC;

\echo '=== 14) JSONB : exemples de filtrage ==========================='
SELECT d.id, d.planning_souhaite
FROM dossiers d
WHERE d.planning_souhaite @> '{"lun_ven":{"midi":true}}';

SELECT c.id, c.planning
FROM contrats c
WHERE c.planning @> '{"lun_ven":{"17h-19h":true}}';

\echo '=== 15) Sanity check final ===================================='
SELECT
  (SELECT COUNT(*) FROM utilisateurs)      AS nb_utilisateurs,
  (SELECT COUNT(*) FROM parents)           AS nb_parents,
  (SELECT COUNT(*) FROM assistantes_maternelles) AS nb_am,
  (SELECT COUNT(*) FROM enfants)           AS nb_enfants,
  (SELECT COUNT(*) FROM enfants_parents)   AS nb_liens_parent_enfant,
  (SELECT COUNT(*) FROM dossiers)          AS nb_dossiers,
  (SELECT COUNT(*) FROM messages)          AS nb_messages,
  (SELECT COUNT(*) FROM contrats)          AS nb_contrats,
  (SELECT COUNT(*) FROM avenants_contrats) AS nb_avenants,
  (SELECT COUNT(*) FROM evenements)        AS nb_evenements,
  (SELECT COUNT(*) FROM uploads)           AS nb_uploads,
  (SELECT COUNT(*) FROM notifications)     AS nb_notifications,
  (SELECT COUNT(*) FROM validations)       AS nb_validations;