#!/bin/bash

printf "\n"

show_help() {
    echo "Usage: $0 [--commit-hashes|-c commit hashes] [--deployments-path|-d deployments path]"
    echo "Options:"
    echo "  --help             | -h         (Optional) Display help information on how to use this script"
    echo "  --commit-hashes    | -c         (Required) Specify the commit hashes, separation by comma (,)"
    echo "  --commits-between  | --cb       (Required) Specify two commit hashes, separation by comma (,), so all commits between them will be considered"
    echo "  --repo-dir         | -r         (Required) Specify the git repository path that contains the commits"
    echo "  --deployments-path | -d         (Required) Specify the Wildfly ports-XX/deployments path"
    echo "  --file-paths       | -f         (Optional) Specify file paths to consider in the update, separation by comma (,)"
    echo "                                             Specifying this will make the \"--commit-hashes\" parameter optional"
    echo "  --no-build         | -b         (Optional) If selected, the script will NOT build the maven components in order to generate the target/ folder"
    echo "  --use-git-status   | -g         (Optional) Will add the files with differences from the \"git status\" command"
    echo "  --start-server     | -s         (Optional) Will run the server after the script finishes copying the files"
}

commit_hashes_arg=''
commits_between_arg=''
repo_dir=''
deployments_path=''
file_paths_arg=''
build_maven=true
use_git_status=false
should_start_server=false

while [ "$#" -gt 0 ]; do
    case "$1" in
        --help|-h)             show_help; exit ;;
        --repo-dir|-r)         repo_dir="$2"; shift 2;;
        --commit-hashes|-c)    commit_hashes_arg="$2"; shift 2;;
        --commits-between|-cb) commits_between_arg="$2"; shift 2;;
        --deployments-path|-d) deployments_path="$2"; shift 2;;
        --file-paths|-f)       file_paths_arg="$2"; shift 2;;
        --no-build|-b)         build_maven=false; shift 2;;
        --use-git-status|-g)   use_git_status=true; shift 2;;
        --start-server|-s)     should_start_server=true; shift 2;;
        *) shift ;;
    esac
done

print_newline() {
    echo -e ""
}

convert_csv_to_array() {
    csv_arg=$1
    res_arr=`echo $csv_arg | tr ',' "\n"`
    echo $res_arr
}

commit_exists() {
    commit_hash=$1

    if git cat-file -t $commit_hash; then
        return 0
    else
        return 1
    fi
}

get_target_paths_from_commit_hash() {
    commit_hash=$1

    echo `git show --oneline --name-only $c | tail -n +2`
}

find_pom_xml_file_recursively() {
    path=$1

    pom_path=`dirname $path`/pom.xml

    if [ $pom_path == './pom.xml' ]; then
        # echo "Could not find a pom.xml file for a module"
        exit 1
    fi

    if [ ! -f $pom_path ]; then
        new_dir=`dirname $path`
        pom_path=`find_pom_xml_file_recursively $new_dir`
    fi

    echo $pom_path
}

# don't use
arr_uniq() {
    arr=$1

    echo $(for i in "${arr[@]}"; do echo $i; done | sort -u)
}

build_mvn() {
    echo "[INFO] Realizando build Maven no diretório \"`pwd`\"..."

    mvn --quiet clean install --file ./pom.xml --settings ~/.m2/settings.xml

    if [ $? -ne 0 ]; then
        echo "[INFO] A build Maven resultou em erros. O script irá encerrar agora."
        exit 1
    fi

    echo "[INFO] Build Maven concluída."
}

function join_by {
    local d=${1-} f=${2-}

    if shift 2; then
        printf %s "$f" "${@/#/$d}"
    fi
}

remove_suffix() {
    local input="$1"
    local delimiter="-"
    local count=$(grep -o "${delimiter}" <<< "$input" | wc -l)
    local index=$(( count - 1 ))
    local result=$(cut -d"${delimiter}" -f1-"$index" <<< "$input")
    echo "$result"
}

get_substring_before_string() {
    str=$1
    subs=$2

    echo ${str%$subs*}
}

get_substring_after_string() {
    str=$1
    subs=$2

    echo ${str#*$subs}
}

sort_pom_paths_for_compilation_order() {
    local unsorted_pom_paths=("$@")
    local -A compilation_order_list=(
        ['main']=''
        ['commons']=''
        ['security']=''
        ['tools']=''
        ['geo']=''
        ['meta']=''
        ['framework']=''
        ['faces']=''
        ['application']=''
        ['plugins']=''
        ['cdk']=''
        ['auditing']=''
    )
    local sorted_pom_paths=()

    for dir in "${!compilation_order_list[@]}"; do
        for path in "${unsorted_pom_paths[@]}"; do
            if [[ $path == "${dir}/"* ]]; then
                sorted_pom_paths+=("$path")
            fi
        done
    done

    printf "%s\n" "${sorted_pom_paths[@]}"
}

if [ -z "$file_paths_arg" ] \
    && [ -z "$commit_hashes_arg" ] \
    && ! $use_git_status; then
    echo "Error: Either one of these arguments should be provided:"
    echo "      Commit hashes (--commit-hashes or -c) or;"
    echo "      File paths (--file-paths or -f) or;"
    echo "      Use Git Status (--use-git-status or -g)."
    exit 1
fi

if [ ! -z "$repo_dir" ]; then
    if [ -z "$commit_hashes_arg" ] && [ -z "$commits_between_arg" ]; then
        echo "Error: If you specify the Commit hashes (--commit-hashes or -c) and/or Commits between (--commits-between or -cb), the repository directory (--repo-dir or -r) is also required."
        exit 1
    fi
fi

if [ -z "$deployments_path" ]; then
    echo "Error: Deployments path (--deployments-path or -d) is required."
    exit 1
fi

scripts_folder=$HOME/repos/personal/personal-devboot/scripts/shell/job/gp

if [ ! -d "$scripts_folder" ]; then
    echo "The git repository \"CloudAlb/personal-devboot\" must be in the \"~/repos\" folder!"
    exit 1
fi 

cur=`pwd`

target_paths=()

cd $repo_dir

if [ ! -z "$commit_hashes_arg" ]; then
    commit_hashes=`convert_csv_to_array "$commit_hashes_arg"`

    for c in ${commit_hashes[@]}; do
        if ! commit_exists $c; then
            continue
        fi

        target_paths+=(`get_target_paths_from_commit_hash "$c"`)
    done
fi

if $use_git_status; then
    target_paths+=(`git ls-files --modified`)
fi

if [ ! -z "$commits_between_arg" ]; then
    commit_hashes=`git rev-list --ancestry-path "${commits_between_arg/","/".."}"`
    target_paths_arg=()

    for c in ${commit_hashes[@]}; do
        if ! commit_exists $c; then
            continue
        fi

        target_paths_arg+=(`get_target_paths_from_commit_hash "$c"`)
    done

    for i in ${target_paths_arg[@]}; do
        target_paths+=($i)
    done
fi

cd $cur

if [ ! -z "$file_paths_arg" ]; then
    file_paths=`convert_csv_to_array "$file_paths_arg"`

    if [ ! -f $f ]; then
        continue
    fi

    target_paths+=("$f")
fi

cd $repo_dir

target_paths_uniq=$(for i in "${target_paths[@]}"; do echo $i; done | sort -u)

dot_java_files=()
pom_paths=()

for i in ${target_paths_uniq[@]}; do
    if [[ $i == *.java ]]; then
        dot_java_files+=("$i")
    fi

    res=`find_pom_xml_file_recursively $i`;
    pom_paths+=("$res")
done

pom_paths_uniq=$(for i in "${pom_paths[@]}"; do echo $i; done | sort -u)

sorted_pom_paths_uniq=($(sort_pom_paths_for_compilation_order "${pom_paths_uniq[@]}"))

echo "[INFO] Pom order:"

for p in ${sorted_pom_paths_uniq[@]}; do
    echo "$p"
done

for p in ${sorted_pom_paths_uniq[@]}; do
    pom_dir=`dirname $p`
    cd $repo_dir/$pom_dir

   [ $build_maven == true ] && build_mvn
done

non_root_deployments_files_to_explode=()
non_root_deployments_files_to_explode_full_path=()

for p in ${sorted_pom_paths_uniq[@]}; do
    pom_dir=$repo_dir/`dirname $p`

    if [ ! -d "$pom_dir/target" ]; then
        echo "[INFO] Could not find the \"target\" folder in \"$pom_dir\""
        echo "[INFO] Initializing maven compilation..."

        cd $pom_dir
        build_mvn
    fi

    cd $pom_dir/target
    non_root_deployments_files_to_explode=`find * -maxdepth 0 -type f -regextype sed -regex ".*[jew]ar" ! -name '*-client.jar' ! -name '*-sources.jar'`
done

cd $deployments_path
root_deployments_files_to_explode=`find * -maxdepth 0 -type f -regextype sed -regex ".*[jew]ar"`

if [ ! -z "$root_deployments_files_to_explode" ]; then
    $scripts_folder/explode-java-files.sh --files  `join_by , ${root_deployments_files_to_explode}` # webdeskmapreport, etc.
fi

for f in ${non_root_deployments_files_to_explode[@]}; do
    f_prefix=`remove_suffix "$f"`
    file_path=`find * -maxdepth 1 -type f -name "$f_prefix*.jar"`

    non_root_deployments_files_to_explode_full_path+=("$file_path")
done

if [ ! -z "$non_root_deployments_files_to_explode_full_path" ]; then
    $scripts_folder/explode-java-files.sh --files `join_by , ${non_root_deployments_files_to_explode_full_path}` # **/cpqd-geo-renderer-ejb, etc.
fi

src_path_const='src/main/java/'

unsuccessful_copies=()

for f in ${dot_java_files[@]}; do
    printf "\n"

    f_dirname=`dirname $f`
    f_basename=`basename $f`
    class_filename=`echo ${f_basename%".java"}.class`

    path_in_deployments=`get_substring_after_string "$f_dirname" "$src_path_const"`
    class_file_paths_in_deployments=`find $deployments_path -type f -wholename "**/$path_in_deployments/$class_filename"`

    middle_path_subst=`get_substring_before_string "$f_dirname" "$src_path_const"`
    class_file_path_in_target=`find $repo_dir -type f -wholename "**/${middle_path_subst}target/classes/$path_in_deployments/$class_filename"`

    # echo "f: $f"
    # echo "f_dirname: $f_dirname"
    # echo "class_filename: $class_filename"
    # echo "path_in_deployments: ${path_in_deployments}"

    # for i in ${class_file_paths_in_deployments[@]}; do
    #     echo "i: $i"
    # done

    # for j in ${class_file_path_in_target[@]}; do
    #     echo "j: $j"
    # done

    # printf "\n"
    # printf "\n"
    # printf "\n"

    for p in ${class_file_paths_in_deployments[@]}; do
        cp_dest=`dirname $p`

        printf "\n"

        if [ -z "$class_file_path_in_target" ]; then
            unsuccessful_copies+=($f_basename)
            echo "[WARN] O arquivo \"$f_basename\" não foi encontrado em alguma pasta target do repositório. Pulando cópia..."
            continue
        fi

        echo "[INFO] Copiando arquivo:"
        echo "      De: $class_file_path_in_target"
        echo "      Para: $cp_dest"

        cp --force $class_file_path_in_target $cp_dest

        if [ $? -eq 0 ]; then
            echo "[INFO] Concluído."
        else
            echo "[INFO] A cópia dos artefatos resultou em erros."
            exit 1
        fi
    done
done

if [ ${#unsuccessful_copies[@]} -ne 0 ]; then
    unsuccessful_copies_uniq=$(for i in "${unsuccessful_copies[@]}"; do echo $i; done | sort -u)

    printf "\n"
    echo "[WARN] Houveram arquivos que não foram encontrados em alguma pasta target do repositório."

    for i in ${unsuccessful_copies_uniq[@]}; do
        echo "      Arquivo mal-sucedido: $i"
    done
fi

if $should_start_server; then
    $cur/debugports-01.sh
fi