#!/bin/bash

echo WIP: vous pourriez regretter de lancer ce script
exit 2


###################
#    Variables    #
###################

executable="../../src/42sh"
errors_count=0
total_tests=0
tmp_script="/tmp/test_script.sh"
output="/tmp/42sh_tests.output"
ref_output="/tmp/42sh_tests_ref.output"


 
##################
#     Colors     #
##################

# Reset
Color_Off='\033[0m'       # Text Reset

# Regular Colors
Black='\033[0;30m'        # Black
Red='\033[0;31m'          # Red
Green='\033[0;32m'        # Green
Yellow='\033[0;33m'       # Yellow
Blue='\033[0;34m'         # Blue
Purple='\033[0;35m'       # Purple
Cyan='\033[0;36m'         # Cyan
White='\033[0;37m'        # White

# Bold
BBlack='\033[1;30m'       # Black
BRed='\033[1;31m'         # Red
BGreen='\033[1;32m'       # Green
BYellow='\033[1;33m'      # Yellow
BBlue='\033[1;34m'        # Blue
BPurple='\033[1;35m'      # Purple
BCyan='\033[1;36m'        # Cyan
BWhite='\033[1;37m'       # White

# Underline
UBlack='\033[4;30m'       # Black
URed='\033[4;31m'         # Red
UGreen='\033[4;32m'       # Green
UYellow='\033[4;33m'      # Yellow
UBlue='\033[4;34m'        # Blue
UPurple='\033[4;35m'      # Purple
UCyan='\033[4;36m'        # Cyan
UWhite='\033[4;37m'       # White

# Background
On_Black='\033[40m'       # Black
On_Red='\033[41m'         # Red
On_Green='\033[42m'       # Green
On_Yellow='\033[43m'      # Yellow
On_Blue='\033[44m'        # Blue
On_Purple='\033[45m'      # Purple
On_Cyan='\033[46m'        # Cyan
On_White='\033[47m'       # White

# High Intensity
IBlack='\033[0;90m'       # Black
IRed='\033[0;91m'         # Red
IGreen='\033[0;92m'       # Green
IYellow='\033[0;93m'      # Yellow
IBlue='\033[0;94m'        # Blue
IPurple='\033[0;95m'      # Purple
ICyan='\033[0;96m'        # Cyan
IWhite='\033[0;97m'       # White

# Bold High Intensity
BIBlack='\033[1;90m'      # Black
BIRed='\033[1;91m'        # Red
BIGreen='\033[1;92m'      # Green
BIYellow='\033[1;93m'     # Yellow
BIBlue='\033[1;94m'       # Blue
BIPurple='\033[1;95m'     # Purple
BICyan='\033[1;96m'       # Cyan
BIWhite='\033[1;97m'      # White

# High Intensity backgrounds
On_IBlack='\033[0;100m'   # Black
On_IRed='\033[0;101m'     # Red
On_IGreen='\033[0;102m'   # Green
On_IYellow='\033[0;103m'  # Yellow
On_IBlue='\033[0;104m'    # Blue
On_IPurple='\033[0;105m'  # Purple
On_ICyan='\033[0;106m'    # Cyan
On_IWhite='\033[0;107m'   # White



##################
#    Wrappers    #
##################


# @arg test command
# @arg actual code
# @arg ref code
check_result() {

    command="$1"
    actual_code="$2"
    ref_code="$3"
    
    test_failed=0

    # Check return code
    if [[ "$actual_code" -ne "$ref_code" ]]; then
        echo $BRed "FAILED" $Color_off
        echo $Blue '    ' "on '$2'" $Color_off
        echo '    ' "Expected code $ref_code but got $actual_code"
        test_failed=1
    # Check output
    elif [ diff $output $ref_output > /dev/null ]; then
        echo $BRed "FAILED" $Color_off
        echo $Blue '    ' "on '$2'" $Color_off
        echo '    ' "Output is not the one expected" 
        test_failed=1
    else
        echo $Blue OK $Colors_off
    fi

    if [[ "$test_failed" -eq 1 ]]; then
        ((errors_count++))
    fi

}


# @arg test name
# @arg input string
test_str() {

    # Check input
    if [[ -z "$1" || -z "$2" ]]; then
        echo $BRed "\n\n" "Issue in the testsuite: test_str: One or more argument is empty" $Color_off
        exit 2
    fi
  
    echo $BBlue "=== $1 ===" $Color_off

    echo "$2" > $tmp_script

    # Arg
    echo -n "\n= [ARG] "
    $executable -c "$2" &> $output
    actual_code=$?
    $ref_executable -c "$2" &> $ref_output
    ref_code=$?
    ((total_tests++))
    check_result "$2" "$actual_code" "$ref_code"

    # Script
    echo -n "\n= [SCRIPT] "
    $executable "$tmp_script" &> $output
    actual_code=$?
    $ref_executable "$tmp_script" &> $ref_output
    ref_code=$?
    ((total_tests++))
    check_result "$2" "$actual_code" "$ref_code"

    # Stdin
    echo -n "\n= [STDIN] "
    $executable < "$tmp_script" &> $output
    actual_code=$?
    $ref_executable < "$2" &> $ref_output
    ref_code=$?
    ((total_tests++))
    check_result "$tmp_script" "$actual_code" "$ref_code"

    echo $BBlue "===================" $Color_off "\n"
}

# @arg test name
# @arg input script
test_script() {

    # Check input
    if [[ -z "$1" || -z "$2" ]]; then
        echo $BRed "\n\n" "Issue in the testsuite: test_script: One or more argument is empty" $Color_off
        exit 2
    fi
    if [[ ! -f "$2" ]]; then
        echo $BRed "\n\n" "Issue in the testsuite: test_script: Second argument is not a file" $Color_off
        exit 2
    fi

    echo $BBlue "=== $1 ===" $Color_off
    
    # Script
    echo -n "\n= [SCRIPT] "
    $executable "$tmp_script" &> $output
    actual_code=$?
    $ref_executable "$tmp_script" &> $ref_output
    ref_code=$?
    ((total_tests++))
    check_result "$2" "$actual_code" "$ref_code"

    # Stdin
    echo -n "\n= [STDIN] "
    $executable < "$tmp_script" &> $output
    actual_code=$?
    $ref_executable < "$2" &> $ref_output
    ref_code=$?
    ((total_tests++))
    check_result "$tmp_script" "$actual_code" "$ref_code"

    echo $BBlue "===================" $Color_off "\n"
}

# ***********************************************************
#################
#     Tests     #
#################

test_str "Hello" "echo Hello there"