#!/bin/bash

# This script updates reduced in-tree dump of TODO.md file by importing its
# contents from dit and applying necessary formatting.

function process_item()
{
    if [ "$first" == 0 ]; then
        echo
    fi

    echo "## ${data[title]} ##"

    echo
    column -x -t -o ' | ' -s '|' <<-EOF | sed -e 's/^/| /' -e 's/|[^|]\+$/|/' \
                                              -e '1{h;s/[^|]/-/g;x;G}'
	ID | Status | Type | dummy
	${data[_id]} | ${data[status]} | ${data[type]} | dummy
	EOF

    if [ "${data[status]}" = partial ]; then
        echo '(partially done)'
    fi

    if [ -n "${data[comment]}" ]; then
        echo
        echo "${data[comment]}"
    fi

    first=0
}

function process_items()
{
    declare -A data
    first=1
    while read -rd $'\0' line; do
        if [ -z "$line" ]; then
            process_item
            unset data
            declare -A data
            continue
        fi

        key="${line%%=*}"
        value="${line#*=}"

        data[$key]="$value"
    done
}

function list_component()
{
    local title="$1"
    shift

    local out="$(dit .uncov export - \
                     status!=done status!=dismissed status!=fixed "$@" |
                 process_items)"
    if [ -n "$out" ]; then
        echo
        echo "# $title #"
        echo
        echo "$out"
    fi
}

function make_todo()
{
    list_component 'Core' component==
    list_component 'Vim Plugin' component==vim-plugin
    list_component 'Web-UI' component==web-ui
}

dir="$(readlink -f "$(dirname "$0")")"

make_todo | tail +2 > "$dir/../TODO.md"