#!/bin/sh
set -e
cd "$(dirname "$0")"
cd ..

install -d -m0755 build-doc

if command -v dpkg >/dev/null; then
    for package in python-dev python-pip python-virtualenv doxygen ditaa; do
	if [ "$(dpkg --status -- $package|sed -n 's/^Status: //p')" != "install ok installed" ]; then
            # add a space after old values
	    missing="${missing:+$missing }$package"
	fi
    done
    if [ -n "$missing" ]; then
	echo "$0: missing required packages, please install them:" 1>&2
	echo "sudo apt-get install $missing"
	exit 1
    fi
else
    for command in virtualenv doxygen ditaa; do
	if ! command -v "$command" >/dev/null; then
            # add a space after old values
	    missing="${missing:+$missing }$package"
	fi
    done
    if [ -n "$missing" ]; then
	echo "$0: missing required command, please install them:" 1>&2
	echo "$missing"
	exit 1
    fi
fi

if [ ! -e build-doc/doxygen/xml ]; then
    doxygen
fi

cat src/osd/PG.h src/osd/PG.cc | doc/scripts/gen_state_diagram.py > doc/dev/peering_graph.generated.dot

cd build-doc

if [ ! -e virtualenv ]; then
    virtualenv --no-site-packages virtualenv
fi
./virtualenv/bin/pip install --quiet -r ../admin/doc-requirements.txt

install -d -m0755 \
    output/html \
    output/man
PYTHONPATH=`pwd`/../src/pybind ./virtualenv/bin/sphinx-build -a -b dirhtml -d doctrees ../doc output/html
./virtualenv/bin/sphinx-build -a -b man -d doctrees ../doc output/man