#!/bin/sh

CONTAINER=$1
shift
JSON=""
for value in "$@"; do
    if [ "$JSON" != "" ]; then
        JSON="$JSON,"
    fi

    esc_value=$(echo "$value" | sed -e 's/\\/\\\\/g' -e 's/"/\\"/g')
    JSON="$JSON\"$esc_value\""
done

echo $JSON

DH=$(echo ${DOCKER_HOST:-"unix:///var/run/docker.sock"} | sed 's#unix://##')
WS_DIR=${WS_DIR:-"$HOME/.workspace"}
LOG_FILE="$WS_DIR/ws.log"

EXEC_RESPONSE=$(curl --unix-socket "$DH" \
    -H "Accept: text/plain" \
    -H "Content-Type: application/json" \
    -d "{\"AttachStdin\":false,\"AttachStdout\":true,\"AttachStderr\":true,\"DetachKeys\":\"ctrl-p,ctrl-q\",\"Tty\":false,\"Cmd\":[$JSON]}" \
    "http://localhost/containers/$CONTAINER/exec")

ID=$(echo $EXEC_RESPONSE | grep -Eo '"Id":"[^"]+"' | sed 's/.*"Id":"\([^"]*\).*/\1/')

if [ "$ID" = "" ]; then
    TIME=$(date +"%Y-%m-%d %H:%M:%S")
    MESSAGE=$(echo $EXEC_RESPONSE | grep -Eo '"message":"[^"]+"' | sed 's/.*"message":"\([^"]*\).*/\1/')
    echo "[$TIME][cron:$CONTAINER] error: $MESSAGE" >> "$LOG_FILE"

    echo $MESSAGE
    exit 1;
fi

TIME=$(date +"%Y-%m-%d %H:%M:%S")
EXEC_RESPONSE=$(curl --unix-socket "$DH" \
    -H "Accept: application/json" \
    -H "Content-Type: application/json" \
    -d "{\"Tty\":true,\"Detach\":false}" \
    "http://localhost/exec/$ID/start")

echo "[$TIME][cron:$CONTAINER] log: $EXEC_RESPONSE" >> "$LOG_FILE"
echo "[$TIME][$CONTAINER] log: $EXEC_RESPONSE" >> /proc/1/fd/1