#! /usr/bin/env bash

# Manage build2 toolchain version.
#
# Usage: etc/version
#
usage="usage: etc/version"

# No max, always >=.
#
# NOTE: also update in 'bdep new'?
#
build2_min=0.7.0-
bpkg_min=0.7.0-

ver=0.8.0-a.0.z
#ver=0.7.0
mods=(libstd-modules libbutl libbpkg libbbot)

odb_ver=2.5.0-b.8.z
#odb_ver=2.5.0-b.7
odb_mods=(libodb libodb-sqlite libodb-pgsql)

xml_ver=1.1.0-b.3.z
#xml_ver=1.1.0-b.3
xml_mods=(libstudxml)

# @@ NOTE: libpkgconf manually.

all=(libstd-modules libbutl build2 libbpkg bpkg bdep libbbot bbot brep build2-toolchain msvc-linux buildos)


# In manifests for alpha/beta we use an exact match. For snapshots -- snapshot
# range. Otherwise an X.Y.* range.
#
function constraint () # <ver>
{
  local mj mn pt ab pr r

  mj="$(echo "$1" | sed -re 's/([^.]+)\..*/\1/')"
  mn="$(echo "$1" | sed -re 's/[^.]+\.([^.]+)\..*/\1/')"
  pt="$(echo "$1" | sed -re 's/[^.]+\.[^.]+\.([^.-]+).*/\1/')"
  ab="$(echo "$1" | sed -n -re 's/[^.]+\.[^.]+\.[^.-]+-([ab]).*/\1/p')"
  pr="$(echo "$1" | sed -n -re 's/[^.]+\.[^.]+\.[^.-]+-[ab]\.([^.+]+).*/\1/p')"

  if [ -n "$ab" ]; then
    if [[ $1 == *.z ]]; then
      r="[$mj.$mn.$pt-$ab.$pr.1 $mj.$mn.$pt-$ab.$(($pr+1)))"
    else
      r="^$1"
    fi
  else
    #r="[$mj.$mn.0 $mj.$(($mn+1)).0-); $mj.$mn.X"
    r="^$mj.$mn.$pt"
  fi

  echo "$r"
}

dep="$(constraint "$ver")"
odb_dep="$(constraint "$odb_ver")"
xml_dep="$(constraint "$xml_ver")"

function process () #
{
  # Manifest.
  #
  sed -i -re "s/^(version:).*/\1 $ver/"                      manifest
  sed -i -re "s/^(depends: \* build2) .*/\1 >= $build2_min/" manifest
  sed -i -re "s/^(depends: \* bpkg) .*/\1 >= $bpkg_min/"     manifest

  local m
  for m in "${mods[@]}"; do
    sed -i -re "s/^(depends: $m) .*/\1 $dep/" manifest
  done

  for m in "${odb_mods[@]}"; do
    sed -i -re "s/^(depends: $m) .*/\1 $odb_dep/" manifest
  done

  for m in "${xml_mods[@]}"; do
    sed -i -re "s/^(depends: $m) .*/\1 $xml_dep/" manifest
  done

  # cli.sh
  #
  if [ -f doc/cli.sh ]; then
    sed -i -re "s/^version=.*/version=$ver/" doc/cli.sh
  fi
}

for m in "${all[@]}"; do
  cd "$m"
  process
  cd ..
done

# Configuration version.
#
# Note: also in the install/prepare script.
#
mj="$(echo "$ver" | sed -re 's/([^.]+)\..*/\1/')"
mn="$(echo "$ver" | sed -re 's/[^.]+\.([^.]+)\..*/\1/')"
ab="$(echo "$ver" | sed -n -re 's/[^.]+\.[^.]+\.[^.-]+-([ab]).*/\1/p')"
pr="$(echo "$ver" | sed -n -re 's/[^.]+\.[^.]+\.[^.-]+-[ab]\.([^.+]+).*/\1/p')"

cver="$mj.$mn"

if [ -n "$ab" ]; then
  cver="$cver-$ab.$pr"
fi

cd build2-toolchain

for m in build*.sh; do
  sed -i -re "s/cver=\".+\"/cver=\"$cver\"/" $m
done

for m in build*.bat; do
  sed -i -re "s/\"cver=.+\"/\"cver=$cver\"/" $m
done

cd ..