#!/usr/bin/env bash
#
# Copyright (c) 2018-2020 P3TERX <https://p3terx.com>
#
# This is free software, licensed under the MIT License.
# See /LICENSE for more information.
#
# https://github.com/P3TERX/aria2.conf
# File name：upload.sh
# Description: Use Rclone to upload files after Aria2 download is complete
# Version: 3.1
#

CHECK_CORE_FILE() {
    CORE_FILE="$(dirname $0)/core"
    if [[ -f "${CORE_FILE}" ]]; then
        . "${CORE_FILE}"
    else
        echo && echo "!!! core file does not exist !!!"
        exit 1
    fi
}

CHECK_RCLONE() {
    [[ $# -eq 0 ]] && {
        echo && echo -e "Checking RCLONE connection ..."
        rclone mkdir "${DRIVE_NAME}:${DRIVE_DIR}/P3TERX.COM"
        if [[ $? -eq 0 ]]; then
            rclone rmdir "${DRIVE_NAME}:${DRIVE_DIR}/P3TERX.COM"
            echo
            echo -e "${LIGHT_GREEN_FONT_PREFIX}success${FONT_COLOR_SUFFIX}"
            exit 0
        else
            echo
            echo -e "${RED_FONT_PREFIX}failure${FONT_COLOR_SUFFIX}"
            exit 1
        fi
    }
}

TASK_INFO() {
    echo -e "
-------------------------- [${YELLOW_FONT_PREFIX}Task Infomation${FONT_COLOR_SUFFIX}] --------------------------
${LIGHT_PURPLE_FONT_PREFIX}Task GID:${FONT_COLOR_SUFFIX} ${TASK_GID}
${LIGHT_PURPLE_FONT_PREFIX}Number of Files:${FONT_COLOR_SUFFIX} ${FILE_NUM}
${LIGHT_PURPLE_FONT_PREFIX}First File Path:${FONT_COLOR_SUFFIX} ${FILE_PATH}
${LIGHT_PURPLE_FONT_PREFIX}Task File Name:${FONT_COLOR_SUFFIX} ${TASK_FILE_NAME}
${LIGHT_PURPLE_FONT_PREFIX}Task Path:${FONT_COLOR_SUFFIX} ${TASK_PATH}
${LIGHT_PURPLE_FONT_PREFIX}Aria2 Download Directory:${FONT_COLOR_SUFFIX} ${ARIA2_DOWNLOAD_DIR}
${LIGHT_PURPLE_FONT_PREFIX}Custom Download Directory:${FONT_COLOR_SUFFIX} ${DOWNLOAD_DIR}
${LIGHT_PURPLE_FONT_PREFIX}Local Path:${FONT_COLOR_SUFFIX} ${LOCAL_PATH}
${LIGHT_PURPLE_FONT_PREFIX}Remote Path:${FONT_COLOR_SUFFIX} ${REMOTE_PATH}
${LIGHT_PURPLE_FONT_PREFIX}.aria2 File Path:${FONT_COLOR_SUFFIX} ${DOT_ARIA2_FILE}
-------------------------- [${YELLOW_FONT_PREFIX}Task Infomation${FONT_COLOR_SUFFIX}] --------------------------
"
}

OUTPUT_UPLOAD_LOG() {
    LOG="${UPLOAD_LOG}"
    LOG_PATH="${UPLOAD_LOG_PATH}"
    OUTPUT_LOG
}

DEFINITION_PATH() {
    LOCAL_PATH="${TASK_PATH}"
    if [[ -f "${TASK_PATH}" ]]; then
        REMOTE_PATH="${DRIVE_NAME}:${DRIVE_DIR}${DEST_PATH_SUFFIX%/*}"
    else
        REMOTE_PATH="${DRIVE_NAME}:${DRIVE_DIR}${DEST_PATH_SUFFIX}"
    fi
}

LOAD_RCLONE_ENV() {
    RCLONE_ENV_FILE="${ARIA2_CONF_DIR}/rclone.env"
    [[ -f ${RCLONE_ENV_FILE} ]] && export $(grep -Ev "^#|^$" ${RCLONE_ENV_FILE} | xargs -0)
}

UPLOAD_FILE() {
    echo -e "$(DATE_TIME) ${INFO} Start upload files..."
    TASK_INFO
    RETRY=0
    RETRY_NUM=3
    while [ ${RETRY} -le ${RETRY_NUM} ]; do
        [ ${RETRY} != 0 ] && (
            echo
            echo -e "$(DATE_TIME) ${ERROR} Upload failed! Retry ${RETRY}/${RETRY_NUM} ..."
            echo
        )
        rclone move -v "${LOCAL_PATH}" "${REMOTE_PATH}"
        RCLONE_EXIT_CODE=$?
        if [ ${RCLONE_EXIT_CODE} -eq 0 ]; then
            UPLOAD_LOG="$(DATE_TIME) ${INFO} Upload done: ${LOCAL_PATH} -> ${REMOTE_PATH}"
            OUTPUT_UPLOAD_LOG
            DELETE_EMPTY_DIR
            break
        else
            RETRY=$((${RETRY} + 1))
            [ ${RETRY} -gt ${RETRY_NUM} ] && (
                echo
                UPLOAD_LOG="$(DATE_TIME) ${ERROR} Upload failed: ${LOCAL_PATH}"
                OUTPUT_UPLOAD_LOG
            )
            sleep 3
        fi
    done
}

CHECK_CORE_FILE "$@"
CHECK_SCRIPT_CONF
CHECK_RCLONE "$@"
CHECK_FILE_NUM
GET_TASK_INFO
GET_DOWNLOAD_DIR
CONVERSION_PATH
DEFINITION_PATH
CLEAN_UP
LOAD_RCLONE_ENV
UPLOAD_FILE
exit 0