#!/bin/sh
set -eu
type agenda >/dev/null

if [ "${AGENDA_EXTENSION:-}" != "md" ]; then
    exit
fi

# Capitalize the title.
echo "$AGENDA_NAME $AGENDA_DATE" | awk '{print "# "toupper(substr($0,0,1))tolower(substr($0,2))}'
echo

if [ -n "${AGENDA_IS_BACKLOG:-}" ]; then
    exit
fi

# Carry over open tasks from the last agenda markdown file.
if [ -e "$AGENDA_LAST" ] && [ "${AGENDA_LAST#*.}" = "md" ]; then
    while IFS= read -r REPLY; do
        case ${state:-} in
            "open_task")
                case $REPLY in
                    "- [ ] "*|"      "*)
                        # Append indented lines to open tasks.
                        echo "$REPLY"
                        ;;
                    *)
                        unset state
                        ;;
                esac
                ;;
            *)
                case $REPLY in
                    "[ ] "*|"[@] "*|"[?] "*)
                        state="open_task"
                        echo "$REPLY"
                        ;;
                esac
                ;;
        esac
    done < "$AGENDA_LAST"
fi