#!/bin/bash
# consolidate-clavitor-db-auto.sh
# NON-INTERACTIVE VERSION for SSH execution

set -e

DB="${1:-/opt/clavitor-web/clavitor.db}"
BACKUP="${DB}.backup.$(date +%Y%m%d_%H%M%S)"

# AUTO-CONFIRM MODE
FORCE="${FORCE:-0}"

echo "=== Clavitor DB Production Consolidation ==="
echo "Target: $DB"
echo ""

# Show current state
echo "=== Current State ==="
sqlite3 "$DB" <<'EOF'
SELECT "=== Row Counts ===";
SELECT "accounts:          " || COUNT(*) FROM accounts;
SELECT "domain_scopes:     " || COUNT(*) || " (KEEP)" FROM domain_scopes;
SELECT "incidents:         " || COUNT(*) FROM incidents;
SELECT "incident_updates:  " || COUNT(*) FROM incident_updates;
SELECT "login_codes:       " || COUNT(*) || " (DROP)" FROM login_codes;
SELECT "maintenance:       " || COUNT(*) || " (CHECK)" FROM maintenance;
SELECT "outages:           " || COUNT(*) || " (CHECK)" FROM outages;
SELECT "pops:              " || COUNT(*) || " (KEEP)" FROM pops;
SELECT "sessions:          " || COUNT(*) || " (DROP)" FROM sessions;
SELECT "telemetry:         " || COUNT(*) || " (KEEP)" FROM telemetry;
SELECT "uptime:            " || COUNT(*) || " (KEEP)" FROM uptime;
SELECT "uptime_daily:      " || COUNT(*) || " (KEEP)" FROM uptime_daily;
SELECT "uptime_spans:      " || COUNT(*) || " (KEEP)" FROM uptime_spans;
SELECT "vaults:            " || COUNT(*) || " (DROP)" FROM vaults;
SELECT "=== POP Status ===";
SELECT status || ": " || COUNT(*) FROM pops GROUP BY status;
EOF

# Create backup
echo ""
echo "=== Creating Backup ==="
cp "$DB" "$BACKUP"
echo "✓ Backup: $BACKUP"

echo ""
echo "=== Phase 1: Drop Unused Tables ==="

sqlite3 "$DB" <<'EOF'
PRAGMA foreign_keys = OFF;
DROP TABLE IF EXISTS login_codes;
DROP TABLE IF EXISTS sessions;
DROP TABLE IF EXISTS vaults;
PRAGMA foreign_keys = ON;
EOF

echo "✓ Dropped: login_codes, sessions, vaults"

echo ""
echo "=== Phase 2: Check Status Table Merge ==="

MAINT_COUNT=$(sqlite3 "$DB" "SELECT COUNT(*) FROM maintenance")
OUTAGE_COUNT=$(sqlite3 "$DB" "SELECT COUNT(*) FROM outages")
INCIDENT_COUNT=$(sqlite3 "$DB" "SELECT COUNT(*) FROM incidents")

echo "Maintenance: $MAINT_COUNT, Outages: $OUTAGE_COUNT, Incidents: $INCIDENT_COUNT"

if [[ $INCIDENT_COUNT -eq 0 && ($MAINT_COUNT -gt 0 || $OUTAGE_COUNT -gt 0) ]]; then
    echo "Merging maintenance and outages into incidents..."
    
    sqlite3 "$DB" <<'EOF'
PRAGMA foreign_keys = OFF;

-- Migrate maintenance to incidents
INSERT INTO incidents (title, status, date, node_ids, created_at)
SELECT 
    'Maintenance: ' || COALESCE(reason, 'Scheduled'),
    CASE WHEN end_at IS NULL THEN 'active' ELSE 'resolved' END,
    datetime(start_at, 'unixepoch'),
    '',
    COALESCE(start_at, strftime('%s', 'now'))
FROM maintenance;

-- Migrate outages to incidents  
INSERT INTO incidents (title, status, date, node_ids, created_at)
SELECT 
    COALESCE(description, 'Service Outage'),
    CASE 
        WHEN status = 'resolved' THEN 'resolved'
        WHEN end_at = '' THEN 'investigating'
        ELSE 'monitoring'
    END,
    start_at,
    node_id,
    COALESCE(strftime('%s', start_at), strftime('%s', 'now'))
FROM outages;

DROP TABLE IF EXISTS maintenance;
DROP TABLE IF EXISTS outages;

PRAGMA foreign_keys = ON;
EOF
    
    echo "✓ Merged maintenance ($MAINT_COUNT) and outages ($OUTAGE_COUNT) into incidents"
else
    echo "Skipped merge (incidents has data or no source data)"
fi

echo ""
echo "=== Phase 3: Vacuum and Optimize ==="

sqlite3 "$DB" <<'EOF'
VACUUM;
ANALYZE;
EOF

echo "✓ Database optimized"

echo ""
echo "=== Final State ==="
sqlite3 "$DB" ".tables"

echo ""
echo "=== Done ==="
echo "Backup: $BACKUP"
echo "To restore: cp $BACKUP $DB"