#! /usr/bin/env bash

# Test examples from the intro2, the Tour section. The optional <repo>
# and <trust> arguments specify the pkg repository and its fingerpring
# that contain libhello-1.0.0.
#
# Usage: intro [options] [<repo> <trust>]
#
usage="usage: $0 [options]"

owd=`pwd`
trap "{ cd $owd; exit 1; }" ERR
set -o errtrace # Trap in functions.

function error () { echo "$*" 1>&2; exit 1; }

tmp=/tmp
show=y

gcc=g++
clang=clang++-16
msvc=cl-15
repo=https://stage.build2.org/1/
trust="EC:50:13:E2:3D:F7:92:B4:50:0B:BF:2A:1F:7D:31:04:C6:57:6F:BC:BE:04:2E:E0:58:14:FA:66:66:21:1F:14"

# Keep in sync with *-tldr.
#
function show () # <cmd> ...
{
  if [ $show = "y" ]; then
    echo
    echo "+ $*"
  fi

  local p=("$1")

  if [ "$1" = b -o "$1" = bpkg -o "$1" = bdep ]; then
    p+=(--no-progress)
  fi

  if [ "$1" = tree ]; then
    p+=(-n) # No color.
  fi

  shift

  "${p[@]}" "${@}"
}

cd "$tmp"

function clean ()
{
  rm -rf hello hello-host hello-build2 hello-base hello-gcc hello-gcc-1 hello-clang hello-vc-* hello-mingw
}

## if false; then

clean

show bdep new -t exe -l c++ hello
show tree hello
show cd hello
show cat hello/hello.cxx
show cat hello/buildfile
show cat hello/testscript
show cat manifest

show bdep init -C ../hello-gcc @gcc cc config.cxx=$gcc
show bdep init -C ../hello-clang @clang cc config.cxx=$clang
show ls -d -1 ../hello*

show bdep init -C ../hello-vc-debug @debug cc config.cxx=$msvc \
  "config.cc.coptions=/MDd /Z7" config.cc.loptions=/DEBUG
show bdep init -C ../hello-vc-release @release cc config.cxx=$msvc \
   config.cc.coptions=/O2

show bdep status
show b
show b test
show hello/hello World

show tree ../hello-gcc

show bdep status @clang
show b ../hello-clang/hello/
show b test: ../hello-clang/hello/
show ../hello-clang/hello/hello/hello World

b --no-progress clean: ../hello-clang/hello/
show bdep test @clang
show bdep test @gcc @clang

show bdep init -C ../hello-mingw @mingw cc config.cxx=x86_64-w64-mingw32-g++
show bdep update @mingw
show bdep test @mingw
show ../hello-mingw/hello/hello/hello.exe Windows | cat # Strip term junk.

show git add .
show git commit -m "Initial implementation"
show git remote add origin git@github.com:boris-kolpackov/hello.git
show git push --no-progress origin master -u --force
show bdep ci --simulate success

show bdep deinit @gcc @clang

cd ..
##fi

##if false; then

clean
show bdep new -C hello-gcc @gcc -t exe -l c++ hello cc config.cxx=$gcc
cd hello
show bdep init -C ../hello-clang @clang cc config.cxx=$clang

# Package Repositories
#
show bpkg rep-info https://git.build2.org/hello/libhello.git
show bpkg rep-info https://git.build2.org/hello/libhello.git#HEAD

# Adding and Removing Dependencies
#
cat <<EOF >>repositories.manifest
:
role: prerequisite
location: $repo
EOF
sed -i -re 's/^#depends: libhello/depends: libhello/' manifest # ^1.0.0
sed -i -re 's/^#import/import/' hello/buildfile
cat <<EOF >hello/hello.cxx
#include <iostream>

#include <libhello/hello.hxx>

using namespace std;

int main (int argc, char* argv[])
{
  if (argc < 2)
  {
    cerr << "error: missing name" << endl;
    return 1;
  }

  hello::say_hello (cout, "World");
}
EOF

show bdep status

cat <<EOF >>repositories.manifest
trust: $trust
EOF

show bdep sync

echo '' >>manifest
show b

show bdep status -ai
show bdep sync -a

show bdep test -ai

sed -i -re 's/^import/#import/' hello/buildfile
sed -i -re 's/^depends: libhello/#depends: libhello/' manifest

show bdep status
show bdep sync

# Upgrading and Downgrading Dependencies
#
sed -i -re 's/^#import/import/' hello/buildfile
sed -i -re 's/^#depends: libhello/depends: libhello/' manifest
bdep sync --no-progress

cat <<EOF >>repositories.manifest
:
role: prerequisite
location: https://git.build2.org/hello/libhello.git
EOF

show bdep fetch
show bdep status libhello
show bdep sync libhello

show bdep status -r

show bdep status -o libhello
show bdep sync libhello/1.0.0

# Using Unpackaged Dependencies.
#
cd ..
rm -rf libextra libextra-gcc unpkg-gcc hello-gcc-1
show bdep new -C libextra-gcc -t lib -l c++ libextra cc config.cxx=$gcc
show b install: libextra/ config.install.root=/tmp/unpkg-gcc
show tree unpkg-gcc
cd hello

show bdep init -C ../hello-gcc-1 @gcc1 cc config.cxx=$gcc \
config.cc.poptions=-I$tmp/unpkg-gcc/include \
config.cc.loptions=-L$tmp/unpkg-gcc/lib

sed -i -re 's/^libs =/import libs = libextra%lib{extra}/' hello/buildfile
cat <<EOF >>hello/hello.cxx
#include <libextra/extra.hxx>

void f ()
{
  extra::say_hello (cout, "Extra");
}
EOF

show b test: ../hello-gcc-1/

show b configure: ../hello-gcc/ \
config.cc.poptions+=-I$tmp/unpkg-gcc/include \
config.cc.loptions+=-L$tmp/unpkg-gcc/lib
show b test

# Using System-Installed Dependencies.
#
cat <<EOF >>manifest
depends: libsqlite3 ^3.18.0
EOF
sed -i -re 's/^import libs =/import libs = libsqlite3%lib{sqlite3}/' hello/buildfile
cat <<EOF >>hello/hello.cxx
#include <sqlite3.h>
EOF

show bdep sync ?sys:libsqlite3

cd ..

# Build-time Dependencies.
#
clean
show bdep new -t exe -l c++ hello
cd hello
show bdep init -C @gcc cc config.cxx=$gcc
show bdep init -C @clang cc config.cxx=$clang

cat <<EOF >>repositories.manifest
:
role: prerequisite
location: https://pkg.cppget.org/1/alpha
trust: 70:64:FE:E4:E0:F3:60:F1:B4:51:E1:FA:12:5C:E0:B3:DB:DF:96:33:39:B9:2E:E5:C2:68:63:4C:A6:47:39:43
EOF
echo 'depends: * xxd >= 8.2.0' >>manifest
cat <<EOF >hello/buildfile
import! [metadata] xxd = xxd%exe{xxd}

exe{hello}: {hxx ixx txx cxx}{** -names} cxx{names} $libs testscript

cxx{names}: file{names.txt} \$xxd
{{
  i = \$path(\$<[0])
  env --cwd \$directory(\$i) -- \$xxd -i \$leaf(\$i) >\$path(\$>)
}}
EOF
cat <<EOF >hello/hello.cxx
#include <iostream>
#include <string>

extern unsigned char names_txt[];
extern unsigned int names_txt_len;

int main (int argc, char* argv[])
{
  using namespace std;

  if (argc < 2)
  {
    cerr << "error: missing name" << endl;
    return 1;
  }

  cout << string (reinterpret_cast<const char*> (names_txt), names_txt_len) << ", " << argv[1] << '!' << endl;
}
EOF
echo -n "Hello" >hello/names.txt

show bdep config list
#show bdep sync --create-host-config # Needed if not terminal.
show b
b --no-progress test
show bdep config list
show bdep update @clang

echo 'depends: * libbuild2-hello' >>manifest
echo 'using hello' >>hello/buildfile

#show bdep sync --create-build2-config # Needed if not terminal.
show b
show bdep config list
show bdep update @clang

cd ..


# Linked Configurations.
#
clean
show bdep new -t exe -l c++ hello
cd hello

cat <<EOF >>repositories.manifest
:
role: prerequisite
location: $repo
trust: $trust
EOF
sed -i -re 's/^#depends: libhello/depends: libhello/' manifest # ^1.0.0
sed -i -re 's/^#import/import/' hello/buildfile

show bdep config create ../hello-base @base --no-default cc config.cxx=$gcc
show bdep config create ../hello-gcc @gcc --default cc config.cxx=$gcc
show bdep config create ../hello-clang @clang cc config.cxx=$clang

show bdep config link @gcc @base
show bdep config link @clang @base

show bdep init @gcc { @base }+ ?libhello
show bdep init @clang

show bdep update @gcc
show bdep update @clang

cd ..

# Versioning and Release Management.
#
clean
show bdep new -C hello-gcc @gcc -t exe -l c++ hello cc config.cxx=$gcc
cd hello

git remote add origin git@github.com:boris-kolpackov/hello.git
git push --no-progress origin :build2-control  || true
git push --no-progress -d origin v0.1.0-a.1    || true
git push --no-progress -d origin v0.1.0        || true

git add .
git commit -m "Initial implementation"
git push --no-progress -f -u

show bdep status
show b info
show bdep sync
show bdep status

echo '' >>buildfile
git commit -a -m "Another commit"

show bdep status

show bdep release --alpha --push
show bdep release --no-open --push

show bdep publish --simulate success --repository https://stage.build2.org

show bdep release --open --push

cd ..
## fi

# Developing Multiple Packages and Projects (multi-project).
#
rm -rf libhello

clean
show bdep new -C hello-gcc @gcc -t exe -l c++ hello cc config.cxx=$gcc
cd hello
show bdep init -C ../hello-clang @clang cc config.cxx=$clang
cd ..

show bdep new -t lib -l c++ libhello
show tree libhello
show cd libhello

show bdep init -A ../hello-gcc @gcc
show bdep init -A ../hello-clang @clang

show cd ../hello
cat <<EOF >>manifest
depends: libhello
EOF
sed -i -re 's/^#import/import/' hello/buildfile

show bdep test -i
cd ..

# Developing Multiple Packages and Projects (multi-package).
#
clean
show bdep new -C hello-gcc @gcc -t exe -l c++ hello cc config.cxx=$gcc
show cd hello
show bdep init -C ../hello-clang @clang cc config.cxx=$clang

mkdir tmp
mv build hello buildfile manifest .gitignore tmp/
mv tmp hello

show bdep new --package -t lib -l c++ libhello
show cat packages.manifest
cat <<EOF >>packages.manifest
:
location: hello/
EOF

show cd libhello
show bdep init -a

show cd ..
cat <<EOF >>hello/manifest
depends: libhello
EOF
sed -i -re 's/^#import/import/' hello/hello/buildfile

show bdep test
cd ..

# Package Consumption.
#
rm -rf tools

show bpkg create -d tools cc     \
  config.cxx=$gcc                \
  config.cc.coptions=-O3         \
  config.install.root=/opt/tools \
  config.install.sudo=sudo       \
  config.bin.rpath=/opt/tools/lib

show cd tools

show bpkg build hello@https://git.build2.org/hello/hello.git
show bpkg install hello
show /opt/tools/bin/hello World
show tree /opt/tools
show bpkg uninstall hello
show bpkg drop hello