name: Update Trackers Data

on:
    workflow_dispatch:  # Allow manual triggering
    schedule:
        -   cron: "0 0 * * 0"  # Schedule to run every Sunday at midnight UTC (optional)

jobs:
    exodus_data:
        runs-on: ubuntu-latest

        steps:
            -   name: Checkout code
                uses: actions/checkout@v4

            -   name: Download JSON file
                run: |
                    wget -O trackers.json https://reports.exodus-privacy.eu.org/api/trackers

            -   name: Parse JSON and create Android resource file
                run: |
                    python - <<EOF
                    import json
                    
                    json_file = 'trackers.json'
                    output_file = 'trackers.xml'
                    
                    # Format the JSON file
                    with open(json_file, "r+", encoding="utf8") as file:
                      json_content = json.load(file)
                      json_content = json.dumps(json_content, indent=4, sort_keys=True)
                      file.seek(0)
                      file.write(json_content)
                    
                    # Read the JSON file
                    with open(json_file, "r", encoding="utf8") as file:
                      json_content = json.load(file)

                    # Sort the JSON file by code_signature
                    json_content["trackers"] = \
                      dict(sorted(json_content["trackers"].items(), key=lambda x: x[1]["code_signature"]))
                    
                    # Extract the trackers tags
                    signatures = []
                    
                    for tracker in json_content['trackers'].values():
                      try:
                        if '|' in tracker['code_signature']:
                          for signature in tracker['code_signature'].split('|'):
                            signatures.append(signature)
                        else:
                          signatures.append(tracker['code_signature'])
                      except KeyError:
                        pass
                    
                    websites = [tracker['website'] for tracker in json_content['trackers'].values()]
                    names = [tracker['name'] for tracker in json_content['trackers'].values()]
                    
                    # Format the output
                    output = f'<?xml version="1.0" encoding="utf-8"?>\n\n'
                    output += '<!--suppress CheckTagEmptyBody -->\n'
                    output += '<resources>\n\n'
                    output += f'<!-- This file is auto-generated by the actions script. -->\n\n'
                    output += f'<!-- Total trackers: {len(signatures)} -->\n\n'
                    output += '\t<string-array name="trackers">\n'
                    output += '\n'.join([f'\t\t<item>{signature}</item> <!-- {signatures.index(signature) + 1} -->' for signature in signatures])
                    output += '\n\t</string-array>\n'
                    
                    output += f'\n<!-- Total websites: {len(websites)} -->\n\n'
                    output += '\t<string-array name="websites">\n'
                    output += '\n'.join([f'\t\t<item>{website}</item> <!-- {websites.index(website) + 1} -->' for website in websites])
                    output += '\n\t</string-array>\n'
                    
                    output += f'\n<!-- Total names: {len(names)} -->\n\n'
                    output += '\t<string-array name="names">\n'
                    output += '\n'.join([f'\t\t<item>{name}</item> <!-- {names.index(name) + 1} -->' for name in names])
                    output += '\n\t</string-array>\n\n'
                    output += '</resources>'
                    
                    # Write the output to the xml file
                    with open(output_file, 'w') as file:
                      file.write(output)
                    
                    EOF

            -   name: Move Android resource file
                run: |
                    if [ ! -d "./app/src/main/res/values/" ]; then
                      mkdir -p ./app/src/main/res/values/
                    fi
                    
                    if [ -f "trackers.xml" ]; then
                      echo "File exists, moving..."
                    fi
                    
                    mv trackers.xml ./app/src/main/res/values/
                    
                    if [ -f "./app/src/main/res/values/trackers.xml" ]; then
                      echo "File moved successfully."
                    fi

            -   name: Cleanup
                run: |
                    rm -f trackers.json

            # Check for changes
            -   name: Check for changes
                id: git-status
                run: |
                    export GIT_STATUS=$(git status --porcelain)
                    echo "GIT_STATUS=$GIT_STATUS" >> $GITHUB_ENV
                    
                    if [ -z "$GIT_STATUS" ]; then
                      echo "No changes detected..."
                    fi

            # Commit changes to the repo
            -   name: Commit changes
                if: env.GIT_STATUS != ''
                run: |
                    git config --global user.email "actions@github.com"
                    git config --global user.name "GitHub Actions"
                    git add .
                    git commit -m "Automated Exodus data update"
                    git push origin master