#!/bin/bash
#
# 日志模块

# Constants
RESET='\033[0m'           ## 普通黑
RED='\033[38;5;1m'        ## 姨妈红
GREEN='\033[38;5;2m'      ## 水鸭青
YELLOW='\033[38;5;3m'     ## 鸭屎黄
MAGENTA='\033[38;5;5m'    ## 基佬紫
CYAN='\033[38;5;6m'       ## 天依蓝
SplitLine="--------------------------------------------------------------------------------"
# Functions

########################
# Print to STDERR
# Arguments:
#   Message to print
# Returns:
#   None
#########################
stderr_print() {
    # 'is_boolean_yes' is defined in libvalidations.sh, but depends on this file so we cannot source it
    local bool="${BITNAMI_QUIET:-false}"
    # comparison is performed without regard to the case of alphabetic characters
    shopt -s nocasematch
    if ! [[ "$bool" = 1 || "$bool" =~ ^(yes|true)$ ]]; then
        printf "%b\\n" "${*}" >&2
    fi
}

########################
# Log message
# Arguments:
#   Message to log
# Returns:
#   None
#########################
log() {
    stderr_print "${CYAN}${MODULE:-} ${MAGENTA}$(date "+%Y-%m-%d %H:%M:%S.%2N ")${RESET}${*}"
}
########################
# Log an 'info' message
# Arguments:
#   Message to log
# Returns:
#   None
#########################
info() {
    log "${GREEN}INFO ${RESET} ==> ${*}"
}
########################
# Log message
# Arguments:
#   Message to log
# Returns:
#   None
#########################
warn() {
    log "${YELLOW}WARN ${RESET} ==> ${*}"
}
########################
# Log an 'error' message
# Arguments:
#   Message to log
# Returns:
#   None
#########################
error() {
    log "${RED}ERROR${RESET} ==> ${*}"
}
########################
# Log a 'debug' message
# Globals:
#   BITNAMI_DEBUG
# Arguments:
#   None
# Returns:
#   None
#########################
debug() {
    # 'is_boolean_yes' is defined in libvalidations.sh, but depends on this file so we cannot source it
    local bool="${BITNAMI_DEBUG:-true}"
    # comparison is performed without regard to the case of alphabetic characters
    shopt -s nocasematch
    if [[ "$bool" = 1 || "$bool" =~ ^(yes|true)$ ]]; then
        log "${MAGENTA}DEBUG${RESET} ==> ${*}"
    fi
}

########################
# Indent a string
# Arguments:
#   $1 - string
#   $2 - number of indentation characters (default: 4)
#   $3 - indentation character (default: " ")
# Returns:
#   None
#########################
indent() {
    local string="${1:-}"
    local num="${2:?missing num}"
    local char="${3:-" "}"
    # Build the indentation unit string
    local indent_unit=""
    for ((i = 0; i < num; i++)); do
        indent_unit="${indent_unit}${char}"
    done
    # shellcheck disable=SC2001
    # Complex regex, see https://github.com/koalaman/shellcheck/wiki/SC2001#exceptions
    echo "$string" | sed "s/^/${indent_unit}/"
}

RED_COLOR="31m"                          ## 姨妈红
GREEN_COLOR="32m"                        ## 水鸭青
YELLOW_COLOR="33m"                       ## 鸭屎黄
PURPLE_COLOR="35m"                       ## 基佬紫
BLUE_COLOR="36m"                         ## 天依蓝
BlinkGreen_COLOR="32;5m"                 ## 闪烁的水鸭青
BlinkRed_COLOR="31;5m"                   ## 闪烁的姨妈红
BlickPurple_COLOR="35;5m"                ## 闪烁的基佬紫
BackRed_COLOR="41m"                      ## 背景红色

######## 颜色函数方法很精妙 ############
colorEcho() {
  echo -e "\033[${1}${@:2}\033[0m" 1>&2
}

colorEchoGreen() {
  echo -e "\033[32m${@:1}\033[0m" 1>&2
}

colorEchoBlue() {
  echo -e "\033[36m${@:1}\033[0m" 1>&2
}

colorEchoYellow() {
  echo -e "\033[33m${@:1}\033[0m" 1>&2
}

colorEchoRed() {
  echo -e "\033[31m${@:1}\033[0m" 1>&2
}

colorEchoPurple() {
  echo -e "\033[35m${@:1}\033[0m" 1>&2
}

SplitLine(){
  echo ""
}

SplitBlue(){
  colorEchoBlue ${SplitLine}
  echo ""
}

SplitGreen(){
  colorEchoGreen ${SplitLine}
  echo ""
}

SplitRed(){
  colorEchoRed ${SplitLine}
  echo ""
}

SplitPurple(){
  colorEchoPurple ${SplitLine}
  echo ""
}

FunctionStart() {
  colorEcho ${PURPLE_COLOR} ${SplitLine}
  if [[ $# -gt 0 ]]
  then
    colorEchoBlue "                                   $1                                   "
  fi
  echo ""
}

FunctionSuccess() {
  colorEcho ${GREEN_COLOR} ${SplitLine}
  echo ""
}

FunctionEnd() {
  colorEcho ${BlinkGreen_COLOR} ${SplitLine}
  echo ""
}