import yaml
import os
import re

def read_php_files(input, output):
    # Load the directory path from the YAML file

    search_list=['sec', 'code', 'id', 'post_key', 'pass', 'key'] # why is there so many?
    param_list=['POST','GET','DELETE','PUT'] # so far looks like only POST and GET, include the others just in case
    directory_path = input

    # Check if the directory exists
    if not os.path.isdir(directory_path):
        print(f"The directory {directory_path} does not exist.")
        return

    # List all .php files in the directory
    php_files = [f for f in os.listdir(directory_path) if f.endswith('.php')]
    if not php_files:
        print("No PHP files found in the directory.")
        return

    out = ""
    # Process each .php file
    for filename in php_files:
        file_path = os.path.join(directory_path, filename)
        with open(file_path, 'r', encoding='utf-8') as file:
            contents = file.read()
            add = filename
            found_params = []
            for paramtype in param_list:
                for match in re.finditer("_" + paramtype, contents):
                    start_line = contents.rfind('\n', 0, match.start()) + 1
                    end_line = contents.find('\n', match.end(), -1)
                    line = contents[start_line:end_line]
                    if "[" in line and "]" in line:
                        quoted_strings = re.findall(r'["\'](.*?)["\']', line)
                        if len(quoted_strings) == 1:
                            found_params.append((quoted_strings[0], line[line.find("$")+1:line.find('=')].strip()))
                            add += ",PARAM:," + quoted_strings[0] + "," + paramtype

            for codetype in search_list:
                for match in re.finditer("\\$" + codetype, contents):
                    # Extract the line containing the matched string
                    start_line = contents.rfind('\n', 0, match.start()) + 1
                    end_line = contents.find('\n', match.end(), -1)
                    line = contents[start_line:end_line]
                    
                    if '==' in line and not "POST" in line and not "GET" in line:
                        #print(line)
                        quoted_strings = re.findall(r'["\'](.*?)["\']', line)
                        if len(quoted_strings) == 1:
                            if codetype not in [x[0] for x in found_params]:
                                # non-matching variable & key!
                                found = False
                                for val in found_params:
                                    if codetype == val[1]:
                                        found = True
                                        codetype2 = val[0]
                                        print("NOTE: Alternate parameter variable used!", codetype, "-->", codetype2, "in file", filename)
                                        add += ",KEY:," + codetype2 + "," + quoted_strings[0]
                                        break
                                if not found:   
                                    print("WARNING: No matching parameter variable found!" , codetype, "--> ??? in file", filename)
                                    add += ",KEY:," + codetype + "," + quoted_strings[0]
                                
                            else:
                                add += ",KEY:," + codetype + "," + quoted_strings[0]
                            
            

        if add == filename:
            out += add + ",null"
        else:
            out += add
        out += "\n"

    print(out)

    with open(output + "/apidetails.csv", 'w', encoding='utf-8') as file:
        # Write the string to the file
        file.write(out)



# Example usage


if __name__ == "__main__":
    with open('config.yml', 'r') as file:
        config = yaml.safe_load(file)
        directory_path = config['tool_directory']
        output_path = config['app_config_directory']
        read_php_files(directory_path, output_path)