#!/bin/bash

# This script is used to extract modules to pot
# then pass the .pot in poedit to merge duplication

if [[ "$#" -ne 1 ]]; then
    echo "Please pass exactly 1 parameter: the txt module"
    exit 1

fi

ORIGINAL_TXT="$1"
POT_DIR="$(pwd)/Modules/pot/"
POT=$(basename "${ORIGINAL_TXT%%.txt}.pot")
POT="${POT_DIR}/${POT}"

# Reinit exiting POT
mkdir -p "${POT_DIR}"
truncate -s 0 "${POT}"

# First thing first, let's anonymize the pot and delete all email references
sed -i 's/[A-Za-z0-9._%+-]\+@[A-Za-z0-9.-]\+\.[A-Za-z]\{2,6\}//' "${POT}"

comment_event=""
comment_node=""
comment_story=""
comment_out=""
out_incr=1
story_first_line=0
while read -r line; do 
    if  [[ ${line} == *"-- [EVENT]"* ]]; then
        comment_event="${line}"
    elif [[ ${line} == *"+[NODE]"* ]]; then
        comment_node="${line}"
    elif [[ ${line} == *"[STORY]"* ]]; then
        comment_story="${comment_event}@@${comment_node}@@${line}"
        #Time for new story, write the comment to pot
        echo "#. ${comment_story}" | tr -d '\r' | tr -d '\n' >> "${POT}"
        echo >> "${POT}"
        story_first_line=1
    elif [[ ${line} == *"[/STORY]"* ]]; then
        # we reach end of story, write the empty msgid and reinit the comment_story
        echo 'msgstr ""' >> "${POT}"
        echo >> "${POT}"
        comment_story=""
    elif [[ ${line} == *"[OUT]"* ]]; then
        comment_out="${comment_event}@@${comment_node}@@[OUT]${out_incr}"
        # OUT are one line, let's write it to the pot
        echo "#. ${comment_out}" | tr -d '\r' | tr -d '\n' >> "${POT}"
        echo >> "${POT}"
        echo "msgid \"${line#\[OUT\]}\"" | tr -d '\r' | tr -d '\n' >> "${POT}"
        echo >> "${POT}"
        echo 'msgstr ""' >> "${POT}"
        echo >> "${POT}"
        ((out_incr++))
    elif [[ ${line} == *"[/NODE]"* ]]; then
        # We reach end of node, reinit
        comment_node=""
        comment_story=""
        comment_out=""
        out_incr=1
    elif [[ ${line} == *"[/EVENT]"* ]]; then
        # We reach end of event, reinit
        comment_event=""
        comment_node=""
        comment_story=""
        comment_out=""
        out_incr=1
    elif [[ "${comment_story}" != "" && ${story_first_line} == 1 ]]; then
        # If the line has nothing particular, and the comment_story is not empty, it's a story string
        # As the story_fist_line is set, it's the first line of the story, add the msgid
        echo "msgid \"${line}\"" | tr -d '\r' | tr -d '\n' >> "${POT}"
        echo >> "${POT}"
        story_first_line=0
    elif [[ ${comment_story} != "" ]]; then
        # We are on a multilines story, write it but without the msgid
        echo "\"${line}\"" | tr -d '\r' | tr -d '\n' >> "${POT}"
        echo >> "${POT}"
    else
        # It should be a newline, write a newline
        # If new are added, we need to deal with it, do not break the file by writing them 
        echo "" >> "${POT}"
    fi

done < "${ORIGINAL_TXT}"