import os
from modules.logger_tool import initialise_logger
import modules.database.tools.neo4j_driver_tools as driver_tools
import modules.database.tools.neo4j_session_tools as session_tools
import modules.database.tools.neontology_tools as neon
import modules.database.schemas.entities as neo_entity
import modules.database.schemas.nodes.schools.curriculum as curriculum_schemas
import modules.database.schemas.relationships.curriculum_relationships as curriculum_relationships
import modules.database.schemas.relationships.entity_relationships as ent_rels
import modules.database.schemas.relationships.entity_curriculum_rels as ent_cur_rels
import pandas as pd

class SchoolSyllabusProvider:
    def __init__(self):
        self.driver = driver_tools.get_driver()
        self.logger = initialise_logger(__name__, os.getenv("LOG_LEVEL"), os.getenv("LOG_PATH"), 'default', True)

    def process_syllabus_data(self, school_node, database_name, dataframes):
        """Process syllabus data from Excel file and create nodes in the database"""
        try:
            # This method will contain the syllabus-specific processing code from the
            # original SchoolCurriculumProvider, starting from where the comment
            # "# Curriculum specific database initialisation begins here" was placed
            
            # We'll implement this in the next iteration after confirming the basic
            # structure changes work correctly
            
            return {
                "status": "success",
                "message": "Syllabus data processed successfully"
            }
            
        except Exception as e:
            self.logger.error(f"Error processing syllabus data: {str(e)}")
            return {"status": "error", "message": str(e)}

    def check_syllabus_status(self, school_node, database_name):
        """Check if syllabus data exists in the database"""
        try:
            with self.driver.session(database=database_name) as session:
                result = session.run("""
                    MATCH (s:School {unique_id: $school_id})
                    OPTIONAL MATCH (s)-[:HAS_CURRICULUM_STRUCTURE]->(:CurriculumStructure)-[:INCLUDES_KEY_STAGE]->(:KeyStage)-[:INCLUDES_KEY_STAGE_SYLLABUS]->(ks:KeyStageSyllabus)
                    OPTIONAL MATCH (s)-[:HAS_CURRICULUM_STRUCTURE]->(:CurriculumStructure)-[:INCLUDES_KEY_STAGE]->(:KeyStage)-[:INCLUDES_YEAR_GROUP_SYLLABUS]->(ys:YearGroupSyllabus)
                    RETURN count(ks) > 0 OR count(ys) > 0 as has_syllabus
                """, school_id=school_node.unique_id)
                
                has_syllabus = result.single()["has_syllabus"]
                
                return {"has_syllabus": has_syllabus}
                
        except Exception as e:
            self.logger.error(f"Error checking syllabus status: {str(e)}")
            raise