eveAI/eveai_app/views/interaction_views.py

import ast
from datetime import datetime as dt, timezone as tz

from flask import request, redirect, flash, render_template, Blueprint, session, current_app, jsonify, url_for
from flask_security import roles_accepted
from langchain.agents import Agent
from sqlalchemy import desc
from sqlalchemy.exc import SQLAlchemyError
from werkzeug.datastructures import FileStorage
from werkzeug.utils import secure_filename

from common.models.document import Embedding, DocumentVersion, Retriever
from common.models.interaction import (ChatSession, Interaction, InteractionEmbedding, Specialist, SpecialistRetriever,
                                       EveAIAgent, EveAITask, EveAITool, EveAIAssetVersion)

from common.extensions import db, cache_manager
from common.utils.asset_utils import create_asset_stack, add_asset_version_file
from common.utils.model_logging_utils import set_logging_information, update_logging_information

from common.utils.middleware import mw_before_request
from common.utils.nginx_utils import prefixed_url_for
from common.utils.view_assistants import form_validation_failed, prepare_table_for_macro
from common.utils.specialist_utils import initialize_specialist

from config.type_defs.specialist_types import SPECIALIST_TYPES

from .interaction_forms import (SpecialistForm, EditSpecialistForm, EditEveAIAgentForm, EditEveAITaskForm,
                                EditEveAIToolForm, AddEveAIAssetForm, EditEveAIAssetVersionForm)

interaction_bp = Blueprint('interaction_bp', __name__, url_prefix='/interaction')


@interaction_bp.before_request
def log_before_request():
    current_app.logger.debug(f'Before request: {request.path} =====================================')


@interaction_bp.after_request
def log_after_request(response):
    return response


# Routes for Chat Session Management --------------------------------------------------------------
@interaction_bp.before_request
def before_request():
    try:
        mw_before_request()
    except Exception as e:
        current_app.logger.error(f'Error switching schema in Interaction Blueprint: {e}')
        raise


@interaction_bp.route('/chat_sessions', methods=['GET', 'POST'])
def chat_sessions():
    page = request.args.get('page', 1, type=int)
    per_page = request.args.get('per_page', 10, type=int)

    query = ChatSession.query.order_by(desc(ChatSession.session_start))

    pagination = query.paginate(page=page, per_page=per_page, error_out=False)
    docs = pagination.items

    rows = prepare_table_for_macro(docs, [('id', ''), ('session_id', ''), ('session_start', ''), ('session_end', '')])

    return render_template('interaction/chat_sessions.html', rows=rows, pagination=pagination)


@interaction_bp.route('/handle_chat_session_selection', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def handle_chat_session_selection():
    chat_session_identification = request.form['selected_row']
    cs_id = ast.literal_eval(chat_session_identification).get('value')

    action = request.form['action']

    match action:
        case 'view_chat_session':
            return redirect(prefixed_url_for('interaction_bp.view_chat_session', chat_session_id=cs_id))

    # Add more conditions for other actions
    return redirect(prefixed_url_for('interaction_bp.chat_sessions'))


@interaction_bp.route('/view_chat_session/<int:chat_session_id>', methods=['GET'])
@roles_accepted('Super User', 'Tenant Admin')
def view_chat_session(chat_session_id):
    # Get chat session with user info
    chat_session = ChatSession.query.get_or_404(chat_session_id)

    # Get interactions with specialist info
    interactions = (Interaction.query
                    .filter_by(chat_session_id=chat_session.id)
                    .join(Specialist, Interaction.specialist_id == Specialist.id, isouter=True)
                    .add_columns(
        Interaction.id,
        Interaction.question_at,
        Interaction.specialist_arguments,
        Interaction.specialist_results,
        Specialist.name.label('specialist_name'),
        Specialist.type.label('specialist_type')
    ).order_by(Interaction.question_at).all())

    # Fetch all related embeddings for the interactions in this session
    embedding_query = (db.session.query(InteractionEmbedding.interaction_id,
                                        DocumentVersion.url,
                                        DocumentVersion.object_name)
                       .join(Embedding, InteractionEmbedding.embedding_id == Embedding.id)
                       .join(DocumentVersion, Embedding.doc_vers_id == DocumentVersion.id)
                       .filter(InteractionEmbedding.interaction_id.in_([i.id for i, *_ in interactions])))

    # Create a dictionary to store embeddings for each interaction
    embeddings_dict = {}
    for interaction_id, url, object_name in embedding_query:
        if interaction_id not in embeddings_dict:
            embeddings_dict[interaction_id] = []
        embeddings_dict[interaction_id].append({'url': url, 'object_name': object_name})

    return render_template('interaction/view_chat_session.html',
                           chat_session=chat_session,
                           interactions=interactions,
                           embeddings_dict=embeddings_dict)


@interaction_bp.route('/view_chat_session_by_session_id/<session_id>', methods=['GET'])
@roles_accepted('Super User', 'Tenant Admin')
def view_chat_session_by_session_id(session_id):
    chat_session = ChatSession.query.filter_by(session_id=session_id).first_or_404()
    show_chat_session(chat_session)


def show_chat_session(chat_session):
    interactions = Interaction.query.filter_by(chat_session_id=chat_session.id).all()
    return render_template('interaction/view_chat_session.html', chat_session=chat_session, interactions=interactions)


# Routes for Specialist Management ----------------------------------------------------------------
@interaction_bp.route('/specialist', methods=['GET', 'POST'])
@roles_accepted('Super User', 'Tenant Admin')
def specialist():
    form = SpecialistForm()

    if form.validate_on_submit():
        tenant_id = session.get('tenant').get('id')
        try:
            new_specialist = Specialist()

            # Populate fields individually instead of using populate_obj (gives problem with QueryMultipleSelectField)
            new_specialist.name = form.name.data
            new_specialist.type = form.type.data
            new_specialist.type_version = cache_manager.specialists_version_tree_cache.get_latest_version(
                new_specialist.type)
            new_specialist.tuning = form.tuning.data

            set_logging_information(new_specialist, dt.now(tz.utc))

            db.session.add(new_specialist)
            db.session.flush()  # This assigns the ID to the specialist without committing the transaction

            # Create the retriever associations
            selected_retrievers = form.retrievers.data
            for retriever in selected_retrievers:
                specialist_retriever = SpecialistRetriever(
                    specialist_id=new_specialist.id,
                    retriever_id=retriever.id
                )
                db.session.add(specialist_retriever)

            # Commit everything in one transaction
            db.session.commit()
            flash('Specialist successfully added!', 'success')
            current_app.logger.info(f'Specialist {new_specialist.name} successfully added for tenant {tenant_id}!')

            # Initialize the newly create specialist
            initialize_specialist(new_specialist.id, new_specialist.type, new_specialist.type_version)

            return redirect(prefixed_url_for('interaction_bp.edit_specialist', specialist_id=new_specialist.id))

        except Exception as e:
            db.session.rollback()
            current_app.logger.error(f'Failed to add specialist. Error: {str(e)}', exc_info=True)
            flash(f'Failed to add specialist. Error: {str(e)}', 'danger')
            return render_template('interaction/specialist.html', form=form)

    return render_template('interaction/specialist.html', form=form)


@interaction_bp.route('/specialist/<int:specialist_id>', methods=['GET', 'POST'])
@roles_accepted('Super User', 'Tenant Admin')
def edit_specialist(specialist_id):
    specialist = Specialist.query.get_or_404(specialist_id)
    form = EditSpecialistForm(request.form, obj=specialist)

    specialist_config = cache_manager.specialists_config_cache.get_config(specialist.type, specialist.type_version)
    configuration_config = specialist_config.get('configuration')
    form.add_dynamic_fields("configuration", configuration_config, specialist.configuration)

    agent_rows = prepare_table_for_macro(specialist.agents,
                                         [('id', ''), ('name', ''), ('type', ''), ('type_version', '')])
    task_rows = prepare_table_for_macro(specialist.tasks,
                                        [('id', ''), ('name', ''), ('type', ''), ('type_version', '')])
    tool_rows = prepare_table_for_macro(specialist.tools,
                                        [('id', ''), ('name', ''), ('type', ''), ('type_version', '')])

    # Construct the SVG overview path
    svg_filename = f"{specialist.type}_{specialist.type_version}_overview.svg"
    svg_path = url_for('static', filename=f'assets/specialists/{svg_filename}')

    if request.method == 'GET':
        # Get the actual Retriever objects for the associated retriever_ids
        retriever_objects = Retriever.query.filter(
            Retriever.id.in_([sr.retriever_id for sr in specialist.retrievers])
        ).all()
        form.retrievers.data = retriever_objects
        if specialist.description is None:
            specialist.description = specialist_config.get('metadata').get('description', '')

    if form.validate_on_submit():
        # Update the basic fields
        specialist.name = form.name.data
        specialist.description = form.description.data
        specialist.tuning = form.tuning.data
        # Update the configuration dynamic fields
        specialist.configuration = form.get_dynamic_data("configuration")

        # Get current and selected retrievers
        current_retrievers = {sr.retriever_id: sr for sr in specialist.retrievers}
        selected_retrievers = {r.id: r for r in form.retrievers.data}

        # Remove unselected retrievers
        for retriever_id in set(current_retrievers.keys()) - set(selected_retrievers.keys()):
            specialist_retriever = current_retrievers[retriever_id]
            db.session.delete(specialist_retriever)

        # Add new retrievers
        for retriever_id in set(selected_retrievers.keys()) - set(current_retrievers.keys()):
            specialist_retriever = SpecialistRetriever(
                specialist_id=specialist.id,
                retriever_id=retriever_id
            )
            db.session.add(specialist_retriever)

        # Update logging information
        update_logging_information(specialist, dt.now(tz.utc))

        try:
            db.session.commit()
            flash('Specialist updated successfully!', 'success')
            current_app.logger.info(f'Specialist {specialist.id} updated successfully')
            return redirect(prefixed_url_for('interaction_bp.specialists'))
        except SQLAlchemyError as e:
            db.session.rollback()
            flash(f'Failed to update specialist. Error: {str(e)}', 'danger')
            current_app.logger.error(f'Failed to update specialist {specialist_id}. Error: {str(e)}')
            return render_template('interaction/edit_specialist.html',
                                   form=form,
                                   specialist_id=specialist_id,
                                   agent_rows=agent_rows,
                                   task_rows=task_rows,
                                   tool_rows=tool_rows,
                                   prefixed_url_for=prefixed_url_for,
                                   svg_path=svg_path, )
    else:
        form_validation_failed(request, form)

    return render_template('interaction/edit_specialist.html',
                           form=form,
                           specialist_id=specialist_id,
                           agent_rows=agent_rows,
                           task_rows=task_rows,
                           tool_rows=tool_rows,
                           prefixed_url_for=prefixed_url_for,
                           svg_path=svg_path, )


@interaction_bp.route('/specialists', methods=['GET', 'POST'])
@roles_accepted('Super User', 'Tenant Admin')
def specialists():
    page = request.args.get('page', 1, type=int)
    per_page = request.args.get('per_page', 10, type=int)

    query = Specialist.query.order_by(Specialist.id)

    pagination = query.paginate(page=page, per_page=per_page)
    the_specialists = pagination.items

    # prepare table data
    rows = prepare_table_for_macro(the_specialists,
                                   [('id', ''), ('name', ''), ('type', '')])

    # Render the catalogs in a template
    return render_template('interaction/specialists.html', rows=rows, pagination=pagination)


@interaction_bp.route('/handle_specialist_selection', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def handle_specialist_selection():
    specialist_identification = request.form.get('selected_row')
    specialist_id = ast.literal_eval(specialist_identification).get('value')
    action = request.form.get('action')

    if action == "edit_specialist":
        return redirect(prefixed_url_for('interaction_bp.edit_specialist', specialist_id=specialist_id))

    return redirect(prefixed_url_for('interaction_bp.specialists'))


# Routes for Agent management ---------------------------------------------------------------------
@interaction_bp.route('/agent/<int:agent_id>/edit', methods=['GET'])
@roles_accepted('Super User', 'Tenant Admin')
def edit_agent(agent_id):
    agent = EveAIAgent.query.get_or_404(agent_id)
    form = EditEveAIAgentForm(obj=agent)

    if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
        # Return just the form portion for AJAX requests
        return render_template('interaction/components/edit_agent.html',
                               form=form,
                               agent=agent,
                               title="Edit Agent",
                               description="Configure the agent with company-specific details if required",
                               submit_text="Save Agent")


@interaction_bp.route('/agent/<int:agent_id>/save', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def save_agent(agent_id):
    agent = EveAIAgent.query.get_or_404(agent_id) if agent_id else EveAIAgent()
    tenant_id = session.get('tenant').get('id')
    form = EditEveAIAgentForm(obj=agent)

    if form.validate_on_submit():
        try:
            form.populate_obj(agent)
            update_logging_information(agent, dt.now(tz.utc))
            if not agent_id:  # New agent
                db.session.add(agent)
            db.session.commit()
            return jsonify({'success': True, 'message': 'Agent saved successfully'})
        except Exception as e:
            db.session.rollback()
            current_app.logger.error(f'Failed to save agent {agent_id} for tenant {tenant_id}. Error: {str(e)}')
            return jsonify({'success': False, 'message': f"Failed to save agent {agent_id}: {str(e)}"})

    return jsonify({'success': False, 'message': 'Validation failed'})


# Routes for Task management ----------------------------------------------------------------------
@interaction_bp.route('/task/<int:task_id>/edit', methods=['GET'])
@roles_accepted('Super User', 'Tenant Admin')
def edit_task(task_id):
    task = EveAITask.query.get_or_404(task_id)
    form = EditEveAITaskForm(obj=task)

    if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
        return render_template('interaction/components/edit_task.html',
                               form=form,
                               task=task)


@interaction_bp.route('/task/<int:task_id>/save', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def save_task(task_id):
    task = EveAITask.query.get_or_404(task_id) if task_id else EveAITask()
    tenant_id = session.get('tenant').get('id')
    form = EditEveAITaskForm(obj=task)  # Replace with actual task form

    if form.validate_on_submit():
        try:
            form.populate_obj(task)
            update_logging_information(task, dt.now(tz.utc))
            if not task_id:  # New task
                db.session.add(task)
            db.session.commit()
            return jsonify({'success': True, 'message': 'Task saved successfully'})
        except Exception as e:
            db.session.rollback()
            current_app.logger.error(f'Failed to save task {task_id} for tenant {tenant_id}. Error: {str(e)}')
            return jsonify({'success': False, 'message': f"Failed to save task {task_id}: {str(e)}"})

    return jsonify({'success': False, 'message': 'Validation failed'})


# Routes for Tool management ----------------------------------------------------------------------
@interaction_bp.route('/tool/<int:tool_id>/edit', methods=['GET'])
@roles_accepted('Super User', 'Tenant Admin')
def edit_tool(tool_id):
    tool = EveAITool.query.get_or_404(tool_id)
    form = EditEveAIToolForm(obj=tool)

    if request.headers.get('X-Requested-With') == 'XMLHttpRequest':
        return render_template('interaction/components/edit_tool.html',
                               form=form,
                               tool=tool)


@interaction_bp.route('/tool/<int:tool_id>/save', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def save_tool(tool_id):
    tool = EveAITool.query.get_or_404(tool_id) if tool_id else EveAITool()
    tenant_id = session.get('tenant').get('id')
    form = EditEveAIToolForm(obj=tool)  # Replace with actual tool form

    if form.validate_on_submit():
        try:
            form.populate_obj(tool)
            update_logging_information(tool, dt.now(tz.utc))
            if not tool_id:  # New tool
                db.session.add(tool)
            db.session.commit()
            return jsonify({'success': True, 'message': 'Tool saved successfully'})
        except Exception as e:
            db.session.rollback()
            current_app.logger.error(f'Failed to save tool {tool_id} for tenant {tenant_id}. Error: {str(e)}')
            return jsonify({'success': False, 'message': f"Failed to save tool {tool_id}: {str(e)}"})

    return jsonify({'success': False, 'message': 'Validation failed'})


# Component selection handlers --------------------------------------------------------------------
@interaction_bp.route('/handle_agent_selection', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def handle_agent_selection():
    agent_identification = request.form['selected_row']
    agent_id = ast.literal_eval(agent_identification).get('value')
    action = request.form.get('action')

    if action == "edit_agent":
        return redirect(prefixed_url_for('interaction_bp.edit_agent', agent_id=agent_id))

    return redirect(prefixed_url_for('interaction_bp.edit_specialist'))


@interaction_bp.route('/handle_task_selection', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def handle_task_selection():
    task_identification = request.form['selected_row']
    task_id = ast.literal_eval(task_identification).get('value')
    action = request.form.get('action')

    if action == "edit_task":
        return redirect(prefixed_url_for('interaction_bp.edit_task', task_id=task_id))

    return redirect(prefixed_url_for('interaction_bp.edit_specialist'))


@interaction_bp.route('/handle_tool_selection', methods=['POST'])
@roles_accepted('Super User', 'Tenant Admin')
def handle_tool_selection():
    tool_identification = request.form['selected_row']
    tool_id = ast.literal_eval(tool_identification).get('value')
    action = request.form.get('action')

    if action == "edit_tool":
        return redirect(prefixed_url_for('interaction_bp.edit_tool', tool_id=tool_id))

    return redirect(prefixed_url_for('interaction_bp.edit_specialist'))


# Routes for Asset management ---------------------------------------------------------------------
@interaction_bp.route('/add_asset', methods=['GET', 'POST'])
@roles_accepted('Super User', 'Tenant Admin')
def add_asset():
    form = AddEveAIAssetForm(request.form)
    tenant_id = session.get('tenant').get('id')

    if form.validate_on_submit():
        try:
            current_app.logger.info(f"Adding asset for tenant {tenant_id}")

            api_input = {
                'name': form.name.data,
                'description': form.description.data,
                'type': form.type.data,
                'valid_from': form.valid_from.data,
                'valid_to': form.valid_to.data,
            }
            new_asset, new_asset_version = create_asset_stack(api_input, tenant_id)

            return redirect(prefixed_url_for('interaction_bp.edit_asset_version',
                                             asset_version_id=new_asset_version.id))
        except Exception as e:
            current_app.logger.error(f'Failed to add asset for tenant {tenant_id}: {str(e)}')
            flash('An error occurred while adding asset', 'error')

    return render_template('interaction/add_asset.html')


@interaction_bp.route('/edit_asset_version/<int:asset_version_id>', methods=['GET', 'POST'])
@roles_accepted('Super User', 'Tenant Admin')
def edit_asset_version(asset_version_id):
    asset_version = EveAIAssetVersion.query.get_or_404(asset_version_id)
    form = EditEveAIAssetVersionForm(asset_version)
    asset_config = cache_manager.assets_config_cache.get_config(asset_version.asset.type,
                                                                asset_version.asset.type_version)
    configuration_config = asset_config.get('configuration')
    form.add_dynamic_fields("configuration", configuration_config, asset_version.configuration)

    if form.validate_on_submit():
        # Update the configuration dynamic fields
        configuration = form.get_dynamic_data("configuration")
        processed_configuration = {}
        tenant_id = session.get('tenant').get('id')
        # if files are returned, we will store the file_names in the configuration, and add the file to the appropriate
        # bucket, in the appropriate location
        for field_name, field_value in configuration.items():
            # Handle file field - check if the value is a FileStorage instance
            if isinstance(field_value, FileStorage) and field_value.filename:
                try:
                    # Upload file and retrieve object_name for the file
                    object_name = add_asset_version_file(asset_version, field_name, field_value, tenant_id)

                    # Store object reference in configuration instead of file content
                    processed_configuration[field_name] = object_name

                except Exception as e:
                    current_app.logger.error(f"Failed to upload file for asset version {asset_version.id}: {str(e)}")
                    flash(f"Failed to upload file '{field_value.filename}': {str(e)}", "danger")
                    return render_template('interaction/edit_asset_version.html', form=form,
                                           asset_version=asset_version)
            # Handle normal fields
            else:
                processed_configuration[field_name] = field_value

        # Update the asset version with processed configuration
        asset_version.configuration = processed_configuration

        # Update logging information
        update_logging_information(asset_version, dt.now(tz.utc))

        try:
            db.session.commit()
            flash('Asset uploaded successfully!', 'success')
            current_app.logger.info(f'Asset Version {asset_version.id} updated successfully')
            return redirect(prefixed_url_for('interaction_bp.assets'))
        except SQLAlchemyError as e:
            db.session.rollback()
            flash(f'Failed to upload asset. Error: {str(e)}', 'danger')
            current_app.logger.error(f'Failed to update asset version {asset_version.id}. Error: {str(e)}')
            return render_template('interaction/edit_asset_version.html', form=form)
    else:
        form_validation_failed(request, form)

    return render_template('interaction/edit_asset_version.html', form=form)