#!/bin/bash
set -Eeuo pipefail

readonly clean=${clean:?"true or false"}
readonly use_committed_nvim=${use_committed_nvim:?"If true, checkout the committed version of nvim, otherwise use the workspace."}

main() {
  echo "### Generating autocmds file."
  echo "* use_committed_nvim=$use_committed_nvim"
  pushd "$( dirname "${BASH_SOURCE[0]}" )/.." > /dev/null

    if [[ "${use_committed_nvim}" == true ]]; then
        echo "### Using the committed version of neovim."
        git submodule update
    else
        echo "### Using the workspace neovim."
    fi

    pushd Neovim > /dev/null
      major=$(grep -e "set(NVIM_VERSION_MAJOR" CMakeLists.txt | gsed -E "s/.* ([0-9]+)\)/\1/")
      minor=$(grep -e "set(NVIM_VERSION_MINOR" CMakeLists.txt | gsed -E "s/.* ([0-9]+)\)/\1/")
      patch=$(grep -e "set(NVIM_VERSION_PATCH" CMakeLists.txt | gsed -E "s/.* ([0-9]+)\)/\1/")
      prerelease=$(grep -e "set(NVIM_VERSION_PRERELEASE" CMakeLists.txt | gsed -E "s/.*\(.*\"(.*)\"\).*/\1/")
      nvim_version="v$major.$minor.$patch$prerelease"
      echo "### Using nvim version: $nvim_version"

      ../bin/neovim/bin/build_neovim.sh
    popd > /dev/null

    pushd Neovim
      version=${nvim_version} ../bin/generate_autocmds.py > "../NvimView/Sources/NvimView/NvimAutoCommandEvent.generated.swift"
      version=${nvim_version} ../bin/generate_cursor_shape.py > "../NvimView/Sources/NvimView/NvimCursorModeShape.generated.swift"
      swiftformat "../NvimView/Sources/NvimView/NvimAutoCommandEvent.generated.swift"
      swiftformat "../NvimView/Sources/NvimView/NvimCursorModeShape.generated.swift"
    popd > /dev/null

  popd > /dev/null
  echo "### Successfully generated autocmds."
}

main