# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
_luaversions="5.1 5.2"
_drivers="mysql postgres sqlite3 odbc"

pkgname=lua-sql
pkgver=2.3.0
pkgrel=1
pkgdesc="Lua SQL drivers"
url="http://www.keplerproject.org/luasql/"
arch="all"
license="MIT"
depends=""
makedepends="mysql-dev postgresql-dev sqlite-dev unixodbc-dev"
install=
subpackages=
for _i in $_luaversions; do
	makedepends="$makedepends lua$_i-dev"
	for _j in $_drivers; do
		subpackages="$subpackages lua$_i-sql-$_j:split_${_j}_${_i/./}"
	done
done
for _j in $_drivers; do
	subpackages="$subpackages lua-sql-$_j:split_${_j}"
done

source="luasql-$pkgver.tar.gz::https://github.com/keplerproject/luasql/archive/v$pkgver.tar.gz
	sqlite_v2_api.patch"

_sdir="$srcdir"/luasql-$pkgver
prepare() {
	cd "$_sdir"
	for i in $source; do
		case $i in
		*.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;
		esac
	done

	# apply patches here

	# The config has DRIVER_INCS but it seems like its not respected
	# so we just fix the .c file
	sed -i -e 's:^\#include "mysql.h":\#include <mysql/mysql.h>:' \
		src/ls_mysql.c || return 1

	cd "$srcdir"
	for _i in $_luaversions; do
		cp -r "$_sdir" "$srcdir"/build-$_i
	done
}

build() {
	for _i in $_luaversions; do
		msg "build for Lua $_i"
		cd "$srcdir"/build-$_i
		make CFLAGS="$CFLAGS $( pkg-config lua$_i --cflags ) -fPIC" \
			DRIVER_LIBS="-lmysqlclient" \
			T=mysql || return 1

		make CFLAGS="$CFLAGS $( pkg-config lua$_i --cflags ) -fPIC" \
			DRIVER_LIBS="$(pkg-config --libs libpq)" \
			T=postgres || return 1

		make CFLAGS="$CFLAGS $( pkg-config lua$_i --cflags ) -fPIC" \
			DRIVER_LIBS="$(pkg-config --libs sqlite3)" \
			T=sqlite3 || return 1

		make CFLAGS="$CFLAGS $( pkg-config lua$_i --cflags ) -fPIC -DUNIXODBC" \
			DRIVER_LIBS="-lodbc"\
			T=odbc || return 1

	done
}

package() {
	for _i in $_luaversions; do
		local _install_cmod=$(pkg-config --variable INSTALL_CMOD lua$_i)
		cd "$srcdir"/build-$_i
		for _j in $_drivers; do
			install -D src/$_j.so \
				"$pkgdir"/$_install_cmod/luasql/$_j.so \
				|| return 1
		done
	done
}

_split() {
	local d= _ver=$1 _driver=$2
	pkgdesc="Lua $_ver SQL driver for $2"
	depends=
	replaces=
	if [ "$_ver" = "5.1" ]; then
		replaces="lua-sql-$_driver"
	fi
	mkdir -p "$subpkgdir"/usr/lib/lua/$_ver/luasql
	mv "$pkgdir"/usr/lib/lua/$_ver/luasql/$_driver.so \
		"$subpkgdir"/usr/lib/lua/$_ver/luasql/ || return 1
}

for _i in $_luaversions; do
	for _j in $_drivers; do
		eval "split_${_j}_${_i/./}() { _split $_i $_j; }"
	done
done
for _j in $_drivers; do
	_deps=
	for _i in $_luaversions; do
		_deps="$_deps lua${_i}-sql-${_j}"
	done
	eval "split_$_j() {
		pkgdesc=\"Lua SQL drivers for $_j\";
		depends=\"$_deps\";
		mkdir -p \"$subpkgdir\";
	}"
done

md5sums="af9f0f3a2313a1fcf88c40700092048d  luasql-2.3.0.tar.gz
656699a57b5529aa9594f0fe6bad1dd4  sqlite_v2_api.patch"
sha256sums="e173ff7b17a2757951b4b2f67d3b1bfe04caad7185b68cffa7758ce822e25e9f  luasql-2.3.0.tar.gz
74fb0ad9161346a29dc133508b5b444084a46d792a9a4e987766fc3989dd0435  sqlite_v2_api.patch"
sha512sums="62309cf6241ffab1ed32e718536a5c986168a7bb6fcf2cf55e884db5043d5ec473bbbb7c93b399dfc0a19f282e850f742452583ad0d973661a7f672b0f8da2d5  luasql-2.3.0.tar.gz
7ea3eb63d4e121875033dd8b7a027eb8fd7784831f9999c880a22d64cf8d50a9ef2cde804b86b416d39262e1f7185054bac1e7fb4fb560320c0a53cce52f80cc  sqlite_v2_api.patch"