#!/bin/bash

# TODO, fazer o script explodir artefatos usando artifactId recuperado pela busca recursiva do arquivo pom.xml

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         | --nb       (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 "  --no-substitution  | --ns       (Optional) If selected, the script will NOT build the maven components in order to generate the target/ folder"
    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_substitute=true
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|--nb)        build_maven=false; shift 2;;
        --use-git-status|-g)    use_git_status=true; shift 2;;
        --no-substitution|--ns) should_substitute=false; 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() {
    printf "\n"
    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[@]}"
}

function confirm() {
    while true; do
        read -p '' yn
        case $yn in
            [Yy]* ) return 0;;
            [Nn]* ) return 1;;
            [Cc]* ) exit;;
            * ) echo "Please answer YES, NO, or CANCEL.";;
        esac
    done
}

if [ -z "$file_paths_arg" ] \
    && [ -z "$commit_hashes_arg" ] \
    && [ -z "$commits_between_arg" ] \
    && ! $use_git_status; then
    echo "Error: Either one of these arguments should be provided:"
    echo "      Commit hashes (--commit-hashes or -c) or;"
    echo "      Commits between (--commits-between or -cb) 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" ] && [ ! $use_git_status ]; 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 [ ! -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

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

    for f in ${file_paths[@]}; do
        if [ ! -f "$repo_dir/$f" ]; then
            echo "[WARN] O arquivo informado \"$f\" não existe no repositório."
            continue
        fi

        target_paths+=($f)
    done
fi

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

    if [ ${#target_paths[@]} -eq 0 ]; then
        echo "Error: You specified \"--use-git-status\" but there wasn't any modified files to use."
        exit 1
    fi
fi

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

if $should_substitute; then
    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

    # extra paths because "cpqd-application-renderer-api-*" was inside another non-sense path
    extra_paths_to_explode=(`find * -maxdepth 1 -type f -wholename "**/cpqd-application-admweb-web*.war"`)
    if [ ! -z "$extra_paths_to_explode" ]; then
        $scripts_folder/explode-java-files.sh --files `join_by , ${extra_paths_to_explode}`
    fi

    extra_paths_to_explode=(`find * -type f -wholename "**/cpqd-application-admweb-web*.war/**/cpqd-*-api-*.jar"`)
    if [ ! -z "$extra_paths_to_explode" ]; then
        $scripts_folder/explode-java-files.sh --files `join_by , ${extra_paths_to_explode}`
    fi

    src_path_const='src/main/java/'

    unsuccessful_copies=()

    for f in ${dot_java_files[@]}; do
        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"`

        if [ -z "$class_file_paths_in_deployments" ]; then
            echo "comando: find $deployments_path -type f -wholename \"**/$path_in_deployments/$class_filename\""
            echo "[WARN] O arquivo \"$f_basename\" não foi encontrado em algum diretório do deployments. Talvez ele precise ser copiado manualmente?"

            echo "[ASK] Se for um arquivo novo, você sabe de alguma classe vizinha dele?"

            if confirm; then
                # etapas para ver se o script criará um arquivo placeholder para fazer a busca depois
                echo "Informe o nome do arquivo (ex.: \"FilterResult.java\" - sem aspas):"
                read neighbour_filename
                neighbour_class_filename=`echo ${neighbour_filename%".java"}.class` # TODO, fazer virar função
                neighbour_class_filename_in_deployments=`find $deployments_path -type f -wholename "**/$path_in_deployments/$neighbour_class_filename"` # pode dar mais de um resultado

                if [ ! -z "$neighbour_class_filename_in_deployments" ]; then
                    echo "O arquivo vizinho informado existe em deployments."
                    echo "Caminho(s):"

                    for d in ${neighbour_class_filename_in_deployments[@]}; do
                        echo "      $d"
                    done

                    echo "[ASK] Deseja copiar o arquivo original que não foi encontrado no(s) mesmo(s) diretório(s)?"
                    if confirm; then
                        for d in ${neighbour_class_filename_in_deployments[@]}; do
                            touch "`dirname $d`/$class_filename"
                        done
                    else
                        unsuccessful_copies+=($f_basename)
                        echo "Pulando cópia no mesmo diretório do arquivo vizinho..."
                    fi
                fi
            else
                unsuccessful_copies+=($f_basename)
                echo "Pulando cópia..."
                echo "comando: find $repo_dir -type f -wholename \"**/${middle_path_subst}target/classes/$path_in_deployments/$class_filename\""
            fi
        fi

        # 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 ${class_file_paths_in_deployments[@]}; do
            if [ -z "$class_file_path_in_target" ]; then
                echo "[WARN] O arquivo \"$f_basename\" não foi encontrado em uma pasta \"target\" fixa (\"$middle_path_subst\") do repositório. Pulando cópia..."

                echo "[ASK] Deseja tentar fazer uma busca mais abrangente?"
                if confirm; then
                    new_class_file_path_in_target=`find $repo_dir -type f -wholename "**/target/classes/**/$class_filename"`
                    
                    if [ ! -z "$new_class_file_path_in_target" ]; then
                        echo "Foi encontrado um caminho válido, mais abrangente, para o arquivo."
                        echo "Caminho(s):"
                        echo "      $new_class_file_path_in_target"

                        echo "[ASK] Deseja usar ele na cópia?"

                        if confirm; then
                            # defino como essa variável direto porque as próximas iterações, que serão do mesmo arquivo, usarão o novo caminho
                            class_file_path_in_target=$new_class_file_path_in_target
                        else
                            unsuccessful_copies+=($f_basename)
                            continue
                        fi
                    else
                        unsuccessful_copies+=($f_basename)
                        echo "Não foi possível encontrar um caminho válido, mais abrangente, para o arquivo."
                        echo "Pulando cópia..."
                        continue
                    fi
                else
                    unsuccessful_copies+=($f_basename)
                    continue
                fi

                # echo "comando: 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 "f_basename: $f_basename"
                # echo "class_filename: $class_filename"
                # echo "path_in_deployments: ${path_in_deployments}"
                # echo "class_file_paths_in_deployments: ${class_file_paths_in_deployments}"
            fi


            cp_dest=`dirname $p`

            printf "\n"
            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 puderam ser atualizados. Consulte o log do script."

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

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