#!/usr/bin/env bash
# Shared paths and settings for every script in this directory. Source this, don't run it.
export EC_DB_TCP_PORT="${EC_DB_TCP_PORT:-9092}"
export EC_DB_NAME="${EC_DB_NAME:-expand-contract}"
EC_DB_BASE_DIR="${EC_DB_BASE_DIR:-/tmp/ec-demo/db}"
EC_RUN_DIR="${EC_RUN_DIR:-/tmp/ec-demo}"
EC_LOG_DIR="$EC_RUN_DIR/logs"
EC_PID_DIR="$EC_RUN_DIR/pids"
EC_PHASE_FILE="$EC_RUN_DIR/phase.txt"
EC_LOAD_SUMMARY="$EC_RUN_DIR/load-summary.txt"
PORT_A=8081
PORT_B=8082

MODULE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
JAR="$MODULE_DIR/target/db-migrations-expand-contract-1.0.0.jar"
CP_FILE="$MODULE_DIR/cp.txt"

mkdir -p "$EC_LOG_DIR" "$EC_PID_DIR" "$EC_DB_BASE_DIR"

wait_db_server() {
    local tries="${1:-40}"
    for i in $(seq 1 "$tries"); do
        if (echo > "/dev/tcp/localhost/$EC_DB_TCP_PORT") >/dev/null 2>&1; then
            return 0
        fi
        sleep 0.25
    done
    echo "H2 TCP server on port $EC_DB_TCP_PORT never came up" >&2
    return 1
}

set_phase() {
    echo -n "$1" > "$EC_PHASE_FILE"
    echo "[phase] $1"
}

wait_healthy() {
    local port="$1"
    local tries="${2:-40}"
    for i in $(seq 1 "$tries"); do
        code=$(curl -s -o /dev/null -w '%{http_code}' "http://localhost:$port/actuator/health" || true)
        if [ "$code" = "200" ]; then
            return 0
        fi
        sleep 0.5
    done
    echo "instance on port $port never became healthy" >&2
    return 1
}

wait_down() {
    local port="$1"
    local tries="${2:-20}"
    for i in $(seq 1 "$tries"); do
        code=$(curl -s -o /dev/null -w '%{http_code}' --max-time 1 "http://localhost:$port/actuator/health" || true)
        if [ "$code" != "200" ]; then
            return 0
        fi
        sleep 0.3
    done
    return 1
}