#!/usr/bin/env bash

# Function to convert .gschema.override to dconf
convert_to_dconf() {
    local output_dir="${!#}"  # Last argument as output directory
    if [[ ! -d "$output_dir" ]]; then
        output_dir="$(dirname "${1}")"  # Default to input file's directory
    fi

    for input_file in "${@}"; do
        if [[ "${input_file}" != *".gschema.override" ]]; then
            printf "\e[1;31mERROR: ${input_file} is not a gschema override, so it can't be converted to dconf\e[0m\n" 1>&2
            continue
        fi
        local output_file="${output_dir}/$(basename "${input_file%.gschema.override}")"
        
        # Check if output file exists and rename if necessary
        if [[ -e "${output_file}" ]]; then
            output_file="${output_file}_$(date +%s)"  # Append timestamp
        fi
        
        while IFS= read -r line; do
            if [[ "${line}" =~ ^\[ ]]; then
                line="${line//./\/}"
            fi
            echo "$line" >> "$output_file"
        done < "${input_file}"
    done
}


# Function to convert dconf to .gschema.override
convert_to_override() {
    local output_dir="${!#}"  # Last argument as output directory
    if [[ ! -d "$output_dir" ]]; then
        output_dir="$(dirname "${1}")"  # Default to input file's directory
    fi

    for input_file in "${@}"; do
        if [[ "${input_file}" == *".gschema.override" ]]; then
            printf "\e[1;31mERROR: ${input_file} is a gschema override, there is no need to convert it to override again\e[0m\n" 1>&2
            continue
        fi
        local output_file="${output_dir}/$(basename "${input_file%.dconf}.gschema.override")"

        # Check if output file exists and rename if necessary
        if [[ -e "${output_file}" ]]; then
            output_file="${output_file}_$(date +%s)"  # Append timestamp
        fi

        while IFS= read -r line; do
            if [[ "${line}" =~ ^\[ ]]; then
                line="${line//\//.}"
            fi
            echo "$line" >> "$output_file"
        done < "${input_file}"
    done
}

# Main script logic
if [[ "${1}" == "to-dconf" ]]; then
    shift
    convert_to_dconf "$@"
elif [[ "${1}" == "to-override" ]]; then
    shift
    convert_to_override "$@"
else
    echo "Usage: dconf-override-converter {to-dconf|to-override} <input_file1> <input_file2> ... [output_directory]"
    echo "If not specified:"
    echo "Output directory: defaults to output directory where input files are located"
    echo "WARNING: Wildcard is buggy when folders are present there, beware, will see how to fix"
fi