#!/bin/bash

# Gitea Runner Status Check Script
# Prüft den Status des Gitea Runners

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color

echo -e "${BLUE}╔════════════════════════════════════════════════════════════╗${NC}"
echo -e "${BLUE}║  Gitea Runner Status Check                               ║${NC}"
echo -e "${BLUE}╚════════════════════════════════════════════════════════════╝${NC}"
echo ""

# Check 1: systemd service
echo -e "${CYAN}[1/5] Checking systemd service...${NC}"
if systemctl list-units --type=service --all | grep -q "gitea-runner.service"; then
    echo -e "${GREEN}✓ systemd service found${NC}"
    systemctl status gitea-runner --no-pager -l || true
else
    echo -e "${YELLOW}⚠ systemd service not found (runner might be running differently)${NC}"
fi
echo ""

# Check 2: Running processes
echo -e "${CYAN}[2/5] Checking for running runner processes...${NC}"
RUNNER_PROCESSES=$(ps aux | grep -E "(gitea|act_runner|woodpecker)" | grep -v grep || echo "")
if [ ! -z "$RUNNER_PROCESSES" ]; then
    echo -e "${GREEN}✓ Found runner processes:${NC}"
    echo "$RUNNER_PROCESSES" | while read line; do
        echo "  $line"
    done
else
    echo -e "${RED}✗ No runner processes found${NC}"
fi
echo ""

# Check 3: Docker containers (if runner runs in Docker)
echo -e "${CYAN}[3/5] Checking for runner Docker containers...${NC}"
RUNNER_CONTAINERS=$(docker ps -a --filter "name=runner" --format "{{.Names}}\t{{.Status}}" 2>/dev/null || echo "")
if [ ! -z "$RUNNER_CONTAINERS" ]; then
    echo -e "${GREEN}✓ Found runner containers:${NC}"
    echo "$RUNNER_CONTAINERS" | while read line; do
        echo "  $line"
    done
else
    echo -e "${YELLOW}⚠ No runner containers found${NC}"
fi
echo ""

# Check 4: Common runner directories
echo -e "${CYAN}[4/5] Checking common runner directories...${NC}"
RUNNER_DIRS=(
    "/tmp/gitea-runner"
    "/opt/gitea-runner"
    "/home/*/gitea-runner"
    "~/.gitea-runner"
    "/usr/local/gitea-runner"
)

FOUND_DIRS=0
for dir in "${RUNNER_DIRS[@]}"; do
    # Expand ~ and wildcards
    EXPANDED_DIR=$(eval echo "$dir" 2>/dev/null || echo "")
    if [ -d "$EXPANDED_DIR" ]; then
        echo -e "${GREEN}✓ Found runner directory: $EXPANDED_DIR${NC}"
        FOUND_DIRS=$((FOUND_DIRS + 1))
        # Check for config files
        if [ -f "$EXPANDED_DIR/.runner" ] || [ -f "$EXPANDED_DIR/config.yml" ]; then
            echo "  → Contains configuration files"
        fi
    fi
done

if [ $FOUND_DIRS -eq 0 ]; then
    echo -e "${YELLOW}⚠ No runner directories found in common locations${NC}"
fi
echo ""

# Check 5: Network connections (check if runner is connecting to Gitea)
echo -e "${CYAN}[5/5] Checking network connections to Gitea...${NC}"
GITEA_URL="${GITEA_URL:-https://git.dk0.dev}"
if command -v netstat >/dev/null 2>&1; then
    CONNECTIONS=$(netstat -tn 2>/dev/null | grep -E "(git.dk0.dev|3000|3001)" || echo "")
elif command -v ss >/dev/null 2>&1; then
    CONNECTIONS=$(ss -tn 2>/dev/null | grep -E "(git.dk0.dev|3000|3001)" || echo "")
fi

if [ ! -z "$CONNECTIONS" ]; then
    echo -e "${GREEN}✓ Found connections to Gitea:${NC}"
    echo "$CONNECTIONS" | head -5
else
    echo -e "${YELLOW}⚠ No active connections to Gitea found${NC}"
fi
echo ""

# Summary
echo -e "${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
echo -e "${BLUE}Summary:${NC}"
echo ""

if [ ! -z "$RUNNER_PROCESSES" ] || [ ! -z "$RUNNER_CONTAINERS" ]; then
    echo -e "${GREEN}✓ Runner appears to be running${NC}"
    echo ""
    echo "To check runner status in Gitea:"
    echo "  1. Go to: https://git.dk0.dev/denshooter/portfolio/settings/actions/runners"
    echo "  2. Check if runner-01 shows as 'online' or 'idle'"
    echo ""
    echo "To view runner logs:"
    if [ ! -z "$RUNNER_PROCESSES" ]; then
        echo "  - Check process logs or journalctl"
    fi
    if [ ! -z "$RUNNER_CONTAINERS" ]; then
        echo "  - docker logs <container-name>"
    fi
else
    echo -e "${RED}✗ Runner does not appear to be running${NC}"
    echo ""
    echo "To start the runner:"
    echo "  1. Find where the runner binary is located"
    echo "  2. Check Gitea for registration token"
    echo "  3. Run: ./act_runner register --config config.yml"
    echo "  4. Run: ./act_runner daemon --config config.yml"
fi

echo ""
echo -e "${CYAN}For more information, check:${NC}"
echo "  - Gitea Runner Docs: https://docs.gitea.com/usage/actions/act-runner"
echo "  - Runner Status: https://git.dk0.dev/denshooter/portfolio/settings/actions/runners"
echo ""