#!/bin/bash
# Validate Complete Setup
# Checks that everything is configured correctly

echo -e "\n========================================"
echo -e "   SETUP VALIDATION"
echo -e "========================================\n"

# Colors
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[0;33m'
CYAN='\033[0;36m'
NC='\033[0m'

PASSED=0
FAILED=0
WARNINGS=0

# Check 1: Environment files
echo -e "${CYAN}1. Environment Files${NC}"
if [ -f "webapp/.env.local" ]; then
    echo -e "   ${GREEN}✅ webapp/.env.local exists${NC}"
    if grep -q "NEXT_PUBLIC_ORCH_URL" webapp/.env.local; then
        echo -e "   ${GREEN}✅ NEXT_PUBLIC_ORCH_URL configured${NC}"
        ((PASSED++))
    else
        echo -e "   ${RED}❌ NEXT_PUBLIC_ORCH_URL missing${NC}"
        ((FAILED++))
    fi
else
    echo -e "   ${RED}❌ webapp/.env.local missing${NC}"
    ((FAILED++))
fi

if [ -f "orchestrator/.env" ]; then
    echo -e "   ${GREEN}✅ orchestrator/.env exists${NC}"
    if grep -q "DATABASE_URL" orchestrator/.env; then
        echo -e "   ${GREEN}✅ DATABASE_URL configured${NC}"
        ((PASSED++))
    else
        echo -e "   ${YELLOW}⚠️  DATABASE_URL not set${NC}"
        ((WARNINGS++))
    fi
    if grep -q "SESSION_SECRET" orchestrator/.env; then
        SECRET_LEN=$(grep "SESSION_SECRET" orchestrator/.env | cut -d'=' -f2 | tr -d '"' | wc -c)
        if [ $SECRET_LEN -ge 32 ]; then
            echo -e "   ${GREEN}✅ SESSION_SECRET configured (length: $SECRET_LEN)${NC}"
            ((PASSED++))
        else
            echo -e "   ${RED}❌ SESSION_SECRET too short (min 32 chars)${NC}"
            ((FAILED++))
        fi
    else
        echo -e "   ${RED}❌ SESSION_SECRET missing${NC}"
        ((FAILED++))
    fi
else
    echo -e "   ${RED}❌ orchestrator/.env missing${NC}"
    ((FAILED++))
fi

# Check 2: Dependencies
echo -e "\n${CYAN}2. Dependencies${NC}"
if [ -d "webapp/node_modules" ]; then
    echo -e "   ${GREEN}✅ Webapp dependencies installed${NC}"
    ((PASSED++))
else
    echo -e "   ${RED}❌ Webapp dependencies missing${NC}"
    ((FAILED++))
fi

if [ -d "orchestrator/node_modules" ]; then
    echo -e "   ${GREEN}✅ Orchestrator dependencies installed${NC}"
    ((PASSED++))
else
    echo -e "   ${RED}❌ Orchestrator dependencies missing${NC}"
    ((FAILED++))
fi

if [ -d "contracts/node_modules" ]; then
    echo -e "   ${GREEN}✅ Contracts dependencies installed${NC}"
    ((PASSED++))
else
    echo -e "   ${YELLOW}⚠️  Contracts dependencies missing (optional)${NC}"
    ((WARNINGS++))
fi

# Check 3: Database
echo -e "\n${CYAN}3. Database${NC}"
if command -v docker &> /dev/null; then
    if docker ps --filter "name=combo-postgres" --format "{{.Names}}" | grep -q "combo-postgres"; then
        echo -e "   ${GREEN}✅ PostgreSQL container running${NC}"
        ((PASSED++))
        
        # Test connection
        if nc -z localhost 5432 2>/dev/null; then
            echo -e "   ${GREEN}✅ PostgreSQL accessible on port 5432${NC}"
            ((PASSED++))
        else
            echo -e "   ${YELLOW}⚠️  PostgreSQL not accessible on port 5432${NC}"
            ((WARNINGS++))
        fi
    else
        echo -e "   ${YELLOW}⚠️  PostgreSQL container not running${NC}"
        echo -e "      Run: ./scripts/setup-database.sh"
        ((WARNINGS++))
    fi
else
    echo -e "   ${YELLOW}⚠️  Docker not available${NC}"
    ((WARNINGS++))
fi

# Check 4: Services
echo -e "\n${CYAN}4. Services${NC}"
if nc -z localhost 3000 2>/dev/null; then
    echo -e "   ${GREEN}✅ Webapp running on port 3000${NC}"
    ((PASSED++))
else
    echo -e "   ${YELLOW}⚠️  Webapp not running on port 3000${NC}"
    ((WARNINGS++))
fi

if nc -z localhost 8080 2>/dev/null; then
    echo -e "   ${GREEN}✅ Orchestrator running on port 8080${NC}"
    ((PASSED++))
    
    # Test health endpoint
    if curl -s http://localhost:8080/health > /dev/null 2>&1; then
        HEALTH=$(curl -s http://localhost:8080/health)
        if echo "$HEALTH" | grep -q "healthy\|status"; then
            echo -e "   ${GREEN}✅ Health endpoint responding${NC}"
            if command -v jq &> /dev/null; then
                DB_STATUS=$(echo "$HEALTH" | jq -r '.checks.database // "unknown"' 2>/dev/null)
                if [ "$DB_STATUS" = "up" ]; then
                    echo -e "   ${GREEN}✅ Database connected${NC}"
                    ((PASSED++))
                else
                    echo -e "   ${YELLOW}⚠️  Database status: $DB_STATUS${NC}"
                    ((WARNINGS++))
                fi
            fi
        else
            echo -e "   ${YELLOW}⚠️  Health endpoint returned unexpected response${NC}"
            ((WARNINGS++))
        fi
    else
        echo -e "   ${YELLOW}⚠️  Health endpoint not accessible${NC}"
        ((WARNINGS++))
    fi
else
    echo -e "   ${YELLOW}⚠️  Orchestrator not running on port 8080${NC}"
    ((WARNINGS++))
fi

# Check 5: Scripts
echo -e "\n${CYAN}5. Scripts${NC}"
SCRIPTS=("start-all.sh" "check-status.sh" "setup-database.sh" "run-migrations.sh" "test-curl.sh")
for script in "${SCRIPTS[@]}"; do
    if [ -f "scripts/$script" ] && [ -x "scripts/$script" ]; then
        echo -e "   ${GREEN}✅ scripts/$script (executable)${NC}"
        ((PASSED++))
    elif [ -f "scripts/$script" ]; then
        echo -e "   ${YELLOW}⚠️  scripts/$script (not executable)${NC}"
        echo -e "      Run: chmod +x scripts/$script"
        ((WARNINGS++))
    else
        echo -e "   ${RED}❌ scripts/$script missing${NC}"
        ((FAILED++))
    fi
done

# Summary
echo -e "\n========================================"
echo -e "   VALIDATION SUMMARY"
echo -e "========================================\n"

echo -e "${GREEN}✅ Passed: $PASSED${NC}"
echo -e "${YELLOW}⚠️  Warnings: $WARNINGS${NC}"
echo -e "${RED}❌ Failed: $FAILED${NC}"

if [ $FAILED -eq 0 ]; then
    if [ $WARNINGS -eq 0 ]; then
        echo -e "\n${GREEN}✅ Setup is complete and valid!${NC}\n"
        exit 0
    else
        echo -e "\n${YELLOW}⚠️  Setup is mostly complete, but has some warnings.${NC}\n"
        exit 0
    fi
else
    echo -e "\n${RED}❌ Setup has errors. Please fix them before continuing.${NC}\n"
    exit 1
fi