import os
import sys
import subprocess
from common import (
 get_git_organization,
 get_git_domain,
 create_local_config_file,
 switch_submodule_branches_recursive,
 get_remote_repo_tags,
 is_url,
 is_github_url,
 parse_pkg_url,
 get_branch_name_by_commit_id)

# Recursively import projects and dependencies
def import_project(proj_name_or_url, version):
 try:
 if is_url(proj_name_or_url):
 if is_github_url(proj_name_or_url):
 organization, proj_name = parse_pkg_url(proj_name_or_url)
 full_proj_url = proj_name_or_url
 else:
 print("Error: It must be a github url.")
 sys.exit(1)
 else:
 organization = get_git_organization()
 proj_name = proj_name_or_url
 full_proj_url = f"{get_git_domain()}/{organization}/{proj_name}.git"

 if os.path.exists(proj_name):
 print(f"Error: Failed to import for the project '{proj_name}' already existing.")
 sys.exit(1)

 if version:
 print("Checking version...")
 tags = get_remote_repo_tags(proj_name, organization)
 if version not in tags:
 print(f"Error: Version {version} not found in the remote repository. Please provide a valid version.")
 sys.exit(1)

 print(f"Importing project: {proj_name}...")

 # Clone the main project repository
 result = subprocess.run(['git', 'clone', full_proj_url], stderr=subprocess.STDOUT)
 if result.returncode != 0:
 print(f"Error: Failed to import project '{proj_name}'.")
 sys.exit(1)

 # Checkout the project to the specified version and switch to the corresponding branch
 if version:
 print(f"Checking out the project {proj_name} to the correct branch and commit-id of version {version}...")
 subprocess.check_output(['git', 'checkout', version], cwd=proj_name, stderr=subprocess.STDOUT)
 commit_id = subprocess.check_output(['git', 'rev-parse', '--verify', 'HEAD'], cwd=proj_name, text=True).strip()
 branch_name = get_branch_name_by_commit_id(commit_id, proj_name)
 subprocess.check_output(['git', 'checkout', branch_name], cwd=proj_name, stderr=subprocess.STDOUT)
 subprocess.check_output(['git', 'reset', '--hard', commit_id], cwd=proj_name, stderr=subprocess.STDOUT)

 # Recursively add submodules
 git_modules_file = os.path.join(proj_name, '.gitmodules')
 if os.path.isfile(git_modules_file):
 print(f"Recursively importing submodules of {proj_name}...")
 result = subprocess.run(['git','submodule', 'update', '--init', '--recursive'], cwd=proj_name, stderr=subprocess.STDOUT)
 if result.returncode != 0:
 print(f"Error: Failed to import project '{proj_name}'.")
 sys.exit(1)

 # Recursively switch submodule branches and commit-ids
 cwd = os.getcwd()
 os.chdir(proj_name)
 switch_submodule_branches_recursive()
 os.chdir(cwd)

 os.chdir(proj_name) # Enter the imported project directory
 create_local_config_file()

 print("Project imported successfully.")
 except Exception as e:
 print(f"Error: Failed to import project '{proj_name}': {e}")
 sys.exit(1)