#!/bin/bash
#
# Multi-Pack Conflict Resolution Test
#
# Tests what happens when two Trust Packs have different values for the same concept.
#
# Usage: ./test-multi-pack-conflict.sh
#

set -e

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../../../.." && pwd)"
APHORIA_BIN="$PROJECT_ROOT/target/release/aphoria"
TEST_DIR="/tmp/uat-multi-pack"

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

TESTS_PASSED=0
TESTS_FAILED=0

pass() { echo -e "${GREEN}✓${NC} $1"; TESTS_PASSED=$((TESTS_PASSED + 1)); }
fail() { echo -e "${RED}✗${NC} $1"; TESTS_FAILED=$((TESTS_FAILED + 1)); }
info() { echo -e "${YELLOW}→${NC} $1"; }
section() { echo ""; echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"; echo "$1"; echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"; }

# Build if needed
if [ ! -f "$APHORIA_BIN" ]; then
    info "Building Aphoria (release)..."
    (cd "$PROJECT_ROOT" && cargo build --release --package aphoria)
fi

rm -rf "$TEST_DIR"
mkdir -p "$TEST_DIR"

section "Step 1: Create Security Team Pack (TLS 1.2)"

SECURITY_DIR="$TEST_DIR/security-team"
mkdir -p "$SECURITY_DIR"
cd "$SECURITY_DIR"

cat > Cargo.toml << 'EOF'
[package]
name = "security-standards"
version = "0.1.0"
edition = "2021"
EOF

cat > aphoria.toml << 'EOF'
[episteme]
data_dir = ".aphoria/db"
[project]
name = "security-standards"
EOF

mkdir -p src && echo "fn main() {}" > src/main.rs

info "Blessing TLS 1.2 minimum..."
"$APHORIA_BIN" bless "code://standard/tls/min_version" \
    --predicate version --value "1.2" \
    --reason "Security team: TLS 1.2 minimum"

"$APHORIA_BIN" policy export --name "Security-Team" --output security-team.pack
pass "Security team pack created (TLS 1.2)"

section "Step 2: Create Compliance Team Pack (TLS 1.3)"

COMPLIANCE_DIR="$TEST_DIR/compliance-team"
mkdir -p "$COMPLIANCE_DIR"
cd "$COMPLIANCE_DIR"

cat > Cargo.toml << 'EOF'
[package]
name = "compliance-standards"
version = "0.1.0"
edition = "2021"
EOF

cat > aphoria.toml << 'EOF'
[episteme]
data_dir = ".aphoria/db"
[project]
name = "compliance-standards"
EOF

mkdir -p src && echo "fn main() {}" > src/main.rs

info "Blessing TLS 1.3 minimum..."
"$APHORIA_BIN" bless "code://standard/tls/min_version" \
    --predicate version --value "1.3" \
    --reason "Compliance team: TLS 1.3 required for PCI-DSS 4.0"

"$APHORIA_BIN" policy export --name "Compliance-Team" --output compliance-team.pack
pass "Compliance team pack created (TLS 1.3)"

section "Step 3: Create Dev Project with TLS 1.1 (violates both)"

DEV_DIR="$TEST_DIR/dev-team"
mkdir -p "$DEV_DIR/config"
cd "$DEV_DIR"

cat > Cargo.toml << 'EOF'
[package]
name = "my-service"
version = "0.1.0"
edition = "2021"
EOF

cat > aphoria.toml << 'EOF'
[episteme]
data_dir = ".aphoria/db"
[project]
name = "my-service"
EOF

mkdir -p src && echo "fn main() {}" > src/main.rs

cat > config/tls.yaml << 'EOF'
tls:
  min_version: "1.1"
EOF

pass "Dev project created with TLS 1.1"

section "Step 4: Import Both Packs"

info "Importing security team pack..."
"$APHORIA_BIN" policy import "$SECURITY_DIR/security-team.pack"
pass "Security team pack imported"

info "Importing compliance team pack..."
"$APHORIA_BIN" policy import "$COMPLIANCE_DIR/compliance-team.pack"
pass "Compliance team pack imported"

section "Step 5: Scan and Check Results"

info "Running scan..."
SCAN_OUTPUT=$("$APHORIA_BIN" scan --persist --format json 2>&1)
echo "$SCAN_OUTPUT" > scan-results.json

# Check for conflicts
CONFLICT_COUNT=$(echo "$SCAN_OUTPUT" | grep '"verdict"' | wc -l | tr -d ' ')

if [ "${CONFLICT_COUNT:-0}" -ge 1 ]; then
    pass "Scan found $CONFLICT_COUNT conflict(s)"
else
    fail "Expected at least 1 conflict, found ${CONFLICT_COUNT:-0}"
fi

# Check which pack appears in policy_source
info "Checking policy_source attribution..."

PACK_NAME=$(grep -o '"pack_name"[[:space:]]*:[[:space:]]*"[^"]*"' scan-results.json | head -1 | sed 's/.*"\([^"]*\)"$/\1/')

if [ -n "$PACK_NAME" ]; then
    pass "Policy source found: $PACK_NAME"
else
    fail "No policy_source in output"
fi

# Check if BOTH packs appear (this is the key question)
SECURITY_APPEARS=$(grep "Security-Team" scan-results.json 2>/dev/null | wc -l | tr -d ' ')
COMPLIANCE_APPEARS=$(grep "Compliance-Team" scan-results.json 2>/dev/null | wc -l | tr -d ' ')

echo ""
info "Pack appearance check:"
echo "  Security-Team appears: $SECURITY_APPEARS time(s)"
echo "  Compliance-Team appears: $COMPLIANCE_APPEARS time(s)"

if [ "${SECURITY_APPEARS:-0}" -gt 0 ] && [ "${COMPLIANCE_APPEARS:-0}" -gt 0 ]; then
    pass "BOTH packs appear in conflict output"
else
    info "Only one pack appears (second import overwrites first)"
    echo "  Current behavior: Last imported pack wins"
fi

section "Step 6: Show Actual Output"

echo ""
echo "Conflicts found:"
grep -A 20 '"sources"' scan-results.json | head -30 || true

section "Summary"

echo ""
echo "Test Results:"
echo "  Passed: $TESTS_PASSED"
echo "  Failed: $TESTS_FAILED"
echo ""
echo "Observation:"
if [ "${SECURITY_APPEARS:-0}" -gt 0 ] && [ "${COMPLIANCE_APPEARS:-0}" -gt 0 ]; then
    echo "  Multi-pack conflict resolution WORKS - both packs shown"
else
    echo "  Multi-pack: Second import OVERWRITES first (same subject key)"
    echo "  Future work: Support multiple policy sources per concept"
fi
echo ""

if [ "$TESTS_FAILED" -gt 0 ]; then
    exit 1
else
    exit 0
fi