import sys
import os
from services.gsheet_client import GSheetClient
from mappers.sheet_mapper import SheetMapper
from mappers.markdown_builder import MarkdownBuilder
from services.readme_editor import ReadmeEditor
from config.settings import settings

def main():
    try:
        print("🚀 Starting README Update Process...")
        
        # 1. Fetch data from Google Sheets
        client = GSheetClient()
        raw_rows = client.fetch_data()
        
        if not raw_rows:
            print("⚠️ No data found in the spreadsheet or error occurred.")
            return

        # 2. Map raw rows to Core Models
        report = SheetMapper.map_rows_to_report(raw_rows)
        print(f"✅ Data fetched: {len(report.tasks)} tasks parsed.")

        # 3. Prepare Dynamic Content
        markdown_table = MarkdownBuilder.build_table(report)
        progress_summary = MarkdownBuilder.build_team_progress(report)

        # 4. First, update the local section files with the new dynamic data
        print("🔧 Injecting data into local sections...")
        editor = ReadmeEditor()
        
        # Inject progress into 08_team_standards.md
        editor.inject_content_between_markers(
            "sections/08_team_standards.md", 
            progress_summary, 
            "<!-- START_PROGRESS -->", 
            "<!-- END_PROGRESS -->"
        )
        
        # Inject task table into 07_roadmap.md (or whichever section has the marker)
        # Note: Your main README markers were originally in 07_roadmap or similar
        editor.inject_content_between_markers(
            "sections/07_roadmap.md",
            markdown_table,
            "<!-- START_UPDATES -->",
            "<!-- END_UPDATES -->"
        )

        # 5. Aggregate all sections into one big README content
        print("📚 Aggregating all sections from 00 to 10...")
        all_sections_content = ""
        section_files = sorted([f for f in os.listdir("sections") if f.endswith(".md")])
        
        for filename in section_files:
            file_path = os.path.join("sections", filename)
            with open(file_path, "r", encoding="utf-8") as f:
                all_sections_content += f.read() + "\n\n---\n\n"

        # 6. Update the ROOT README.md (../README.md)
        print(f"📄 Updating Root README.md at: {settings.README_PATH}")
        root_editor = ReadmeEditor(file_path=settings.README_PATH)
        if root_editor.update_whole_readme(all_sections_content):
            print("🎉 Root README.md successfully updated from all sections!")
        else:
            print("❌ Failed to update Root README.md.")

    except Exception as e:
        print(f"💥 An unexpected error occurred: {e}")
        sys.exit(1)

if __name__ == "__main__":
    main()