#!/usr/bin/env miaou-bash

# CONSTANTS

BASEDIR=$(dirname "$0")
readonly BASEDIR

# SCENARII

function do_subshell_term {
  # grep nope nope
  echo "found=$(command_not_found)"
  echo "found=$(grep nope nope)"
  command_not_found
}

function do_last_false {
  # FIXME: provides error detection
  ! true
}

function do_unbound_associative {
  declare -A associative
  associative['A']='Abc'

  # this is fine
  [[ -v associative['A'] ]] && echo "${associative['A']}"
  [[ -v associative['B'] ]] && echo "${associative['B']}"

  # this fails
  echo "${associative['B']}"
}

function do_false {
  echo before false
  false
  echo after false
}

function do_success {
  echo -n 'SUCCESS args=['
  (
    IFS=','
    echo -n "$*"
  )
  echo ']'
  source "${MIAOU_BASH_DIR}/lib/ansi.bash"
  local content
  content=$(PADDING_LEFT=2 PADDING_RIGHT=6 style_padding 'this is success')
  content=$(FG=YELLOW BG=BLUE style_ansi "$content")
  FG=BLACK BG=RED PADDING=8 style_block "$content"
}

function do_unbound_variable {
  a=5
  echo "a=${a}"
  echo "b=${b}"
}

# FUNCTIONS

function F2 {
  echo "stdout A"
  # echo toto >>/tmp/toto
  return
  >&2 echo "This is stderr"

  blabla
  $nope
  exit 6
  grep titi toto
  echo "stdout B"
  echo "stdout C"
  # command_not_found
}

function F1 {
  echo F1
  F2
}

function main {
  F1
  F3
  echo before subshell
  echo "here in subshell $(grep titi $0)"
  echo NO MORE

  result=$(grep titi $0)
  [[ "$result" -ne 0 ]] && echo true
  # grep titi nope
  >&2 echo some trace in stderr1
  "$BASEDIR/extra/library.bash"
  . "$BASEDIR/lib/utility.bash"
  # . not_found/not_found.bash
  # echo "here in subshell $(grep titi nope)"
  # ls -l nope
  >&2 echo some trace in stderr2
}

function F3 {
  echo F3
  return 0
}

function usage {
  introspect_scenarii
  (
    IFS='|'
    echo "USAGE: $0 <${SCENARII[*]}>"
  )
  echo -e "\trun case scenario which performs various bash statements and mostly fails"
  echo -e "\tthese case scenarii helps testing the miaou-bash script"
}

function introspect_scenarii {
  mapfile -t SCENARII <<<"$(compgen -A function | grep ^do_ | sed 's/...//')"
}

function test_contain_item {
  local -n array=$1
  for item in "${array[@]}"; do [[ "$item" == "$2" ]] && return 0; done
  return 1
}

# MAIN

[[ $# -eq 0 ]] && >&2 echo 'arg1 expected!' && usage && exit 1

scenario="$1"
introspect_scenarii
if test_contain_item SCENARII "$scenario"; then
  shift
  "do_${scenario}" "$@"
else
  (>&2 echo "scenario <${scenario}> not found!" && usage && exit 2)
fi