# app.py
import gradio as gr
import pandas as pd
import os
import logging
import matplotlib
matplotlib.use('Agg') # Set backend for Matplotlib
import matplotlib.pyplot as plt
import time
from datetime import datetime, timedelta
import numpy as np
from collections import OrderedDict, defaultdict # Added defaultdict
import asyncio

# --- Module Imports ---
from utils.gradio_utils import get_url_user_token

# Functions from newly created/refactored modules
from config import (
    LINKEDIN_CLIENT_ID_ENV_VAR, BUBBLE_APP_NAME_ENV_VAR,
    BUBBLE_API_KEY_PRIVATE_ENV_VAR, BUBBLE_API_ENDPOINT_ENV_VAR,
    PLOT_ID_TO_FORMULA_KEY_MAP # Keep this if used by AnalyticsTab
)
from services.state_manager import process_and_store_bubble_token
from services.sync_logic import sync_all_linkedin_data_orchestrator
from ui.ui_generators import (
    display_main_dashboard,
    build_analytics_tab_plot_area, # This will be passed to AnalyticsTab
    BOMB_ICON, EXPLORE_ICON, FORMULA_ICON, ACTIVE_ICON # These will be passed
)
from ui.analytics_plot_generator import update_analytics_plots_figures, create_placeholder_plot # Pass these
from formulas import PLOT_FORMULAS # Keep this if used by AnalyticsTab

# --- EXISTING CHATBOT MODULE IMPORTS ---
from features.chatbot.chatbot_prompts import get_initial_insight_prompt_and_suggestions # Pass this
from features.chatbot.chatbot_handler import generate_llm_response # Pass this

# --- NEW AGENTIC PIPELINE IMPORTS ---
try:
    from run_agentic_pipeline import run_agentic_pipeline_autonomously
    from ui.insights_ui_generator import (
        format_single_okr_for_display
    )
    AGENTIC_MODULES_LOADED = True
except:
    logging.error(f"Could not import agentic pipeline modules: {e}. Tabs 3 and 4 will be disabled.")
    AGENTIC_MODULES_LOADED = False
    def format_single_okr_for_display(okr_data, **kwargs): return "Agentic modules not loaded. OKR display unavailable." # Placeholder



# --- IMPORT THE NEW ANALYTICS TAB MODULE ---
from services.analytics_tab_module import AnalyticsTab # Assuming analytics_tab_module.py is in the services directory

# Configure logging
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(module)s - %(message)s')

# API Key Setup
os.environ["GOOGLE_GENAI_USE_VERTEXAI"] = "False"
user_provided_api_key = os.environ.get("GEMINI_API_KEY")
if user_provided_api_key:
    os.environ["GOOGLE_API_KEY"] = user_provided_api_key
    logging.info("GOOGLE_API_KEY environment variable has been set from GEMINI_API_KEY.")
else:
    logging.error("CRITICAL ERROR: The API key environment variable 'GEMINI_API_KEY' was not found.")


with gr.Blocks(theme=gr.themes.Soft(primary_hue="blue", secondary_hue="sky"),
                title="LinkedIn Organization Dashboard") as app:
    token_state = gr.State(value={
        "token": None, "client_id": None, "org_urn": None,
        "bubble_posts_df": pd.DataFrame(), "bubble_post_stats_df": pd.DataFrame(),
        "bubble_mentions_df": pd.DataFrame(),
        "bubble_follower_stats_df": pd.DataFrame(),
        "fetch_count_for_api": 0, "url_user_token_temp_storage": None,
        "config_date_col_posts": "published_at", "config_date_col_mentions": "date",
        "config_date_col_followers": "date", "config_media_type_col": "media_type",
        "config_eb_labels_col": "li_eb_label"
    })

    # States for existing analytics tab chatbot - these are passed to AnalyticsTab
    chat_histories_st = gr.State({})
    current_chat_plot_id_st = gr.State(None)
    plot_data_for_chatbot_st = gr.State({}) # This will be populated by the analytics module's refresh

    # --- STATES FOR AGENTIC PIPELINE ---
    orchestration_raw_results_st = gr.State(None) # Stores the full raw output from the agentic pipeline
    key_results_for_selection_st = gr.State([]) # Stores the list of dicts for KR selection (label, id, etc.)
    selected_key_result_ids_st = gr.State([]) # Stores the unique_kr_ids selected in the CheckboxGroup

    gr.Markdown("# 🚀 LinkedIn Organization Dashboard")
    url_user_token_display = gr.Textbox(label="User Token (Nascosto)", interactive=False, visible=False)
    status_box = gr.Textbox(label="Stato Generale Token LinkedIn", interactive=False, value="Inizializzazione...")
    org_urn_display = gr.Textbox(label="URN Organizzazione (Nascosto)", interactive=False, visible=False)

    app.load(fn=get_url_user_token, inputs=None, outputs=[url_user_token_display, org_urn_display], api_name="get_url_params", show_progress=False)

    def initial_load_sequence(url_token, org_urn_val, current_state):
        status_msg, new_state, btn_update = process_and_store_bubble_token(url_token, org_urn_val, current_state)
        dashboard_content = display_main_dashboard(new_state)
        return status_msg, new_state, btn_update, dashboard_content

    # --- Instantiate the AnalyticsTab module ---
    analytics_icons = {
        'bomb': BOMB_ICON, 'explore': EXPLORE_ICON,
        'formula': FORMULA_ICON, 'active': ACTIVE_ICON
    }
    analytics_tab_instance = AnalyticsTab(
        token_state=token_state,
        chat_histories_st=chat_histories_st,
        current_chat_plot_id_st=current_chat_plot_id_st,
        plot_data_for_chatbot_st=plot_data_for_chatbot_st,
        plot_id_to_formula_map=PLOT_ID_TO_FORMULA_KEY_MAP,
        plot_formulas_data=PLOT_FORMULAS,
        icons=analytics_icons,
        fn_build_plot_area=build_analytics_tab_plot_area,
        fn_update_plot_figures=update_analytics_plots_figures,
        fn_create_placeholder_plot=create_placeholder_plot,
        fn_get_initial_insight=get_initial_insight_prompt_and_suggestions,
        fn_generate_llm_response=generate_llm_response
    )

    with gr.Tabs() as tabs:
        with gr.TabItem("1️⃣ Dashboard & Sync", id="tab_dashboard_sync"):
            gr.Markdown("Il sistema controlla i dati esistenti da Bubble. 'Sincronizza' si attiva se sono necessari nuovi dati.")
            sync_data_btn = gr.Button("🔄 Sincronizza Dati LinkedIn", variant="primary", visible=False, interactive=False)
            sync_status_html_output = gr.HTML("<p style='text-align:center;'>Stato sincronizzazione...</p>")
            dashboard_display_html = gr.HTML("<p style='text-align:center;'>Caricamento dashboard...</p>")

        # --- Use the AnalyticsTab module to create Tab 2 ---
        analytics_tab_instance.create_tab_ui()

        # --- Tab 3: Agentic Analysis Report ---
        with gr.TabItem("3️⃣ Agentic Analysis Report", id="tab_agentic_report", visible=AGENTIC_MODULES_LOADED):
            gr.Markdown("## 🤖 Comprehensive Analysis Report (AI Generated)")
            agentic_pipeline_status_md = gr.Markdown("Stato Pipeline AI (filtro 'Sempre'): In attesa...", visible=True)
            gr.Markdown("Questo report è generato da un agente AI con filtro 'Sempre' sui dati disponibili. Rivedi criticamente.")
            agentic_report_display_md = gr.Markdown("La pipeline AI si avvierà automaticamente dopo il caricamento iniziale dei dati o dopo una sincronizzazione.")
            if not AGENTIC_MODULES_LOADED:
                gr.Markdown("🔴 **Error:** Agentic pipeline modules could not be loaded. This tab is disabled.")

        # --- Tab 4: Agentic OKRs & Tasks ---
        with gr.TabItem("4️⃣ Agentic OKRs & Tasks", id="tab_agentic_okrs", visible=AGENTIC_MODULES_LOADED):
            gr.Markdown("## 🎯 AI Generated OKRs and Actionable Tasks (filtro 'Sempre')")
            gr.Markdown("Basato sull'analisi AI (filtro 'Sempre'), l'agente ha proposto i seguenti OKR e task. Seleziona i Key Results per dettagli.")
            if not AGENTIC_MODULES_LOADED:
                gr.Markdown("🔴 **Error:** Agentic pipeline modules could not be loaded. This tab is disabled.")
            with gr.Row():
                with gr.Column(scale=1):
                    gr.Markdown("### Suggested Key Results (da analisi 'Sempre')")
                    key_results_cbg = gr.CheckboxGroup(label="Select Key Results", choices=[], value=[], interactive=True)
                with gr.Column(scale=3):
                    gr.Markdown("### Detailed OKRs and Tasks for Selected Key Results")
                    okr_detail_display_md = gr.Markdown("I dettagli OKR appariranno qui dopo l'esecuzione della pipeline AI.")

            def update_okr_display_on_selection(selected_kr_unique_ids: list, raw_orchestration_results: dict, all_krs_for_selection: list):
                if not raw_orchestration_results or not AGENTIC_MODULES_LOADED:
                    return gr.update(value="Nessun dato dalla pipeline AI o moduli non caricati.")

                actionable_okrs_dict = raw_orchestration_results.get("actionable_okrs_and_tasks")
                if not actionable_okrs_dict or not isinstance(actionable_okrs_dict.get("okrs"), list):
                    return gr.update(value="Nessun OKR trovato nei risultati della pipeline.")

                okrs_list = actionable_okrs_dict["okrs"]
                # Ensure all_krs_for_selection is a list of dicts with expected keys
                if not all_krs_for_selection or not isinstance(all_krs_for_selection, list) or \
                   not all(isinstance(kr, dict) and 'unique_kr_id' in kr and 'okr_index' in kr and 'kr_index' in kr for kr in all_krs_for_selection):
                    logging.error("all_krs_for_selection is not in the expected format.")
                    return gr.update(value="Errore interno: formato dati KR non valido.")


                kr_id_to_indices = {kr_info['unique_kr_id']: (kr_info['okr_index'], kr_info['kr_index']) for kr_info in all_krs_for_selection}

                selected_krs_by_okr_idx = defaultdict(list)
                if selected_kr_unique_ids:
                    for kr_unique_id in selected_kr_unique_ids:
                        if kr_unique_id in kr_id_to_indices:
                            okr_idx, kr_idx = kr_id_to_indices[kr_unique_id]
                            selected_krs_by_okr_idx[okr_idx].append(kr_idx)

                output_md_parts = []
                if not okrs_list:
                    output_md_parts.append("Nessun OKR generato.")
                else:
                    for okr_idx, okr_data in enumerate(okrs_list):
                        accepted_indices_for_this_okr = selected_krs_by_okr_idx.get(okr_idx)
                        # If specific KRs are selected, only show OKRs that have at least one of the selected KRs
                        # OR if no KRs are selected at all, show all OKRs.
                        if selected_kr_unique_ids: # User has made a selection
                            if accepted_indices_for_this_okr is not None: # This OKR has some of the selected KRs
                                output_md_parts.append(format_single_okr_for_display(okr_data, accepted_kr_indices=accepted_indices_for_this_okr, okr_main_index=okr_idx))
                        else: # No KRs selected, show all OKRs with all their KRs
                            output_md_parts.append(format_single_okr_for_display(okr_data, accepted_kr_indices=None, okr_main_index=okr_idx))
                
                if not output_md_parts and selected_kr_unique_ids:
                    final_md = "Nessun OKR corrisponde alla selezione corrente o i KR selezionati non hanno task dettagliati."
                elif not output_md_parts and not selected_kr_unique_ids: # Should be covered by "Nessun OKR generato."
                    final_md = "Nessun OKR generato."
                else:
                    final_md = "\n\n---\n\n".join(output_md_parts)
                return gr.update(value=final_md)

            if AGENTIC_MODULES_LOADED:
                key_results_cbg.change(
                    fn=update_okr_display_on_selection,
                    inputs=[key_results_cbg, orchestration_raw_results_st, key_results_for_selection_st],
                    outputs=[okr_detail_display_md],
                    api_name="update_okr_display_on_selection_module"
                )


    # Define the output list for the agentic pipeline callbacks
    # Order: Report MD, KR CBG, OKR Detail MD, RawResults State, SelectedKRIDs State, KRList State, Status MD
    agentic_pipeline_outputs_list = [
        agentic_report_display_md,
        key_results_cbg,
        okr_detail_display_md,
        orchestration_raw_results_st,
        selected_key_result_ids_st,
        key_results_for_selection_st,
        agentic_pipeline_status_md
    ]
    agentic_pipeline_inputs = [token_state] # Input for the autonomous run

    # --- Event Handling ---
    initial_load_event = org_urn_display.change(
        fn=initial_load_sequence,
        inputs=[url_user_token_display, org_urn_display, token_state],
        outputs=[status_box, token_state, sync_data_btn, dashboard_display_html],
        show_progress="full"
    )

    initial_load_event.then(
        fn=analytics_tab_instance._refresh_analytics_graphs_ui,
        inputs=[
            token_state,
            analytics_tab_instance.date_filter_selector,
            analytics_tab_instance.custom_start_date_picker,
            analytics_tab_instance.custom_end_date_picker,
            chat_histories_st
        ],
        outputs=analytics_tab_instance.graph_refresh_outputs_list,
        show_progress="full"
    ).then(
        fn=run_agentic_pipeline_autonomously, # Generator function
        inputs=[token_state, orchestration_raw_results_st, selected_key_result_ids_st, key_results_for_selection_st],
        outputs=agentic_pipeline_outputs_list,
        show_progress="minimal" # Use minimal for generators that yield status
    )

    sync_event_part1 = sync_data_btn.click(
        fn=sync_all_linkedin_data_orchestrator,
        inputs=[token_state],
        outputs=[sync_status_html_output, token_state],
        show_progress="full"
    )
    sync_event_part2 = sync_event_part1.then(
        fn=process_and_store_bubble_token,
        inputs=[url_user_token_display, org_urn_display, token_state],
        outputs=[status_box, token_state, sync_data_btn],
        show_progress=False
    )
    sync_event_part2.then(
        fn=run_agentic_pipeline_autonomously, # Generator function
        inputs=[token_state, orchestration_raw_results_st, selected_key_result_ids_st, key_results_for_selection_st],
        outputs=agentic_pipeline_outputs_list,
        show_progress="minimal"
    )
    sync_event_part3 = sync_event_part2.then(
        fn=display_main_dashboard,
        inputs=[token_state],
        outputs=[dashboard_display_html],
        show_progress=False
    )
    sync_event_graphs_after_sync = sync_event_part3.then(
        fn=analytics_tab_instance._refresh_analytics_graphs_ui,
        inputs=[
            token_state,
            analytics_tab_instance.date_filter_selector,
            analytics_tab_instance.custom_start_date_picker,
            analytics_tab_instance.custom_end_date_picker,
            chat_histories_st
        ],
        outputs=analytics_tab_instance.graph_refresh_outputs_list,
        show_progress="full"
    )

if __name__ == "__main__":
    if not os.environ.get(LINKEDIN_CLIENT_ID_ENV_VAR):
        logging.warning(f"ATTENZIONE: '{LINKEDIN_CLIENT_ID_ENV_VAR}' non impostata.")
    if not all(os.environ.get(var) for var in [BUBBLE_APP_NAME_ENV_VAR, BUBBLE_API_KEY_PRIVATE_ENV_VAR, BUBBLE_API_ENDPOINT_ENV_VAR]):
        logging.warning("ATTENZIONE: Una o più variabili d'ambiente Bubble (BUBBLE_APP_NAME, BUBBLE_API_KEY_PRIVATE, BUBBLE_API_ENDPOINT) non sono impostate.")
    if not AGENTIC_MODULES_LOADED:
        logging.warning("CRITICAL: Agentic pipeline modules failed to load. Tabs 3 and 4 (Agentic Report & OKRs) will be non-functional.")
    if not os.environ.get("GEMINI_API_KEY"): # Check GEMINI_API_KEY directly as GOOGLE_API_KEY is derived
        logging.warning("ATTENZIONE: 'GEMINI_API_KEY' non impostata. Questo è necessario per le funzionalità AI, incluse le tab agentiche e il chatbot dei grafici.")
    
    try:
        logging.info(f"Gradio version: {gr.__version__}")
        logging.info(f"Pandas version: {pd.__version__}")
        logging.info(f"Matplotlib version: {matplotlib.__version__}, Backend: {matplotlib.get_backend()}")
    except Exception as e:
        logging.warning(f"Could not log library versions: {e}")

    app.launch(server_name="0.0.0.0", server_port=int(os.environ.get("PORT", 7860)), debug=True)