use serde_json::json;
use std::{collections::hash_map::DefaultHasher, hash::Hash, hash::Hasher};

use serde::{Deserialize, Serialize};

use crate::workflows::workflow_pcd_create_and_send_all::PcdItemEncAttributeRoleConfidentialExportKey;

use super::{
    commitment_method::CommitmentMethod, deposit_method::DepositMethod,
    key_encryption::KeyEncryption, message_client::MessageClient, payment_method::PaymentMethod,
    request_prd::RequestPrd, shared_peer::SharedPeer, shared_process::SharedProcess,
};
#[derive(Debug, Serialize, Deserialize, Default, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]

pub struct RequestPrdResponse {
    pub prd: RequestPrd,
    pub sig_value: String,
    pub pcd_origin_hash: Option<String>,
    pub payment_method_enc_by_shared_secret: Option<String>,
    pub deposit_method_enc_by_shared_secret: Option<String>,
    pub commitment_method_enc_by_shared_secret: Option<String>,
    pub certif_key_enc_by_shared_secret: Option<String>,
    pub shared_secret_key: Option<KeyEncryption>,
}

impl RequestPrdResponse {
    pub const TYPE: &'static str = "prd_response";
    pub fn new(
        process_public_enc_key: KeyEncryption,
        member_private_enc_key: KeyEncryption,

        request_item_name: Option<String>,
        request_version: i64,
        request_process_hash: String,
        request_pcd_reference_hash: Option<String>,
        request_item_reference_hash: Option<String>,
        pcd_keys_role_confidential_list: Vec<PcdItemEncAttributeRoleConfidentialExportKey>,

        message_public_string: Option<String>,
        message_confidential_string: Option<String>,
        message_private_string: Option<String>,

        sp_address_to: String,
        sp_address_from: String,
        sp_address_reply: String,
        timestamp_declared: u64,
        role_name_from: String,
        role_name_to: String,

        sig_value: String,
        pcd_origin_hash: Option<String>,

        payment_method: Option<PaymentMethod>,
        deposit_method: Option<DepositMethod>,
        commitment_method: Option<CommitmentMethod>,
        certif_key: Option<String>,
    ) -> Self {
        let mut shared_secret_key =
            KeyEncryption::new(Some("secret_shared".to_owned()), None, None);

        if let Ok(_new) = shared_secret_key.key_new_random() {
            let payment_method_enc_by_shared_secret = match payment_method {
                Some(ref _msg) => {
                    Some(shared_secret_key.enc(serde_json::to_value(payment_method).unwrap()))
                }
                None => None,
            };

            let deposit_method_enc_by_shared_secret = match deposit_method {
                Some(ref _msg) => {
                    Some(shared_secret_key.enc(serde_json::to_value(deposit_method).unwrap()))
                }
                None => None,
            };

            let commitment_method_enc_by_shared_secret = match commitment_method {
                Some(ref _msg) => {
                    Some(shared_secret_key.enc(serde_json::to_value(commitment_method).unwrap()))
                }
                None => None,
            };

            let certif_key_enc_by_shared_secret = match certif_key {
                Some(ref _msg) => {
                    Some(shared_secret_key.enc(serde_json::to_value(certif_key).unwrap()))
                }
                None => None,
            };

            let message_confidential = message_confidential_string
                .as_ref()
                .map(|msg| shared_secret_key.enc_string(msg.clone()));
            let message_public = message_public_string
                .as_ref()
                .map(|msg| process_public_enc_key.enc_string(msg.clone()));
            let message_private = message_private_string
                .as_ref()
                .map(|msg| member_private_enc_key.enc_string(msg.clone()));

            let pcd_keys_role_confidential_list_enc_by_shared_secret = shared_secret_key.enc(
                serde_json::to_value(pcd_keys_role_confidential_list).unwrap_or_else(|_| json!({})),
            );

            let request_type = Self::TYPE.to_string();
            let prd = RequestPrd::new(
                request_item_name,
                request_type,
                request_version,
                request_process_hash,
                request_pcd_reference_hash,
                request_item_reference_hash,
                pcd_keys_role_confidential_list_enc_by_shared_secret,
                message_public,
                message_confidential,
                message_private,
                sp_address_to,
                sp_address_from,
                sp_address_reply,
                timestamp_declared,
                role_name_from,
                role_name_to,
            );
            RequestPrdResponse {
                prd,
                sig_value,
                pcd_origin_hash,
                payment_method_enc_by_shared_secret,
                deposit_method_enc_by_shared_secret,
                commitment_method_enc_by_shared_secret,
                certif_key_enc_by_shared_secret,
                shared_secret_key: Some(shared_secret_key),
            }
        } else {
            panic!("Error: Could not create shared secret key");
        }
    }

    pub fn to_message(
        &self,
        process_public_enc_key: KeyEncryption,
        message_shared_peer_list: Vec<SharedPeer>,
        message_shared_process_list: Vec<SharedProcess>,
        message_faucet_sp_address: String,
        pow_pathern: String,
        pow_difficulty: usize,
    ) -> MessageClient {
        let mut hasher: DefaultHasher = DefaultHasher::new();
        self.hash(&mut hasher);
        let request_hash = hasher.finish().to_string();
        let request_enc: String = process_public_enc_key
            .enc_prd_response(self.clone())
            .to_string();

        MessageClient::new(
            request_enc,
            request_hash,
            message_shared_peer_list,
            message_shared_process_list,
            message_faucet_sp_address,
            pow_pathern,
            pow_difficulty,
        )
    }

    // Fonction pour afficher ou retourner les informations
    pub fn display_info(&self) -> String {
        format!(
            "PRD: {:?}, Sig Value: {}, PCD Origin Hash: {}, Payment Method Encrypted: {}, Deposit Method Encrypted: {}, Commitment Method Encrypted: {}, Certification Key Encrypted: {}",
            self.prd,
            self.sig_value,
            self.pcd_origin_hash.as_ref().unwrap(),
            self.payment_method_enc_by_shared_secret.as_ref().unwrap(),
            self.deposit_method_enc_by_shared_secret.as_ref().unwrap(),
            self.commitment_method_enc_by_shared_secret.as_ref().unwrap(),
            self.certif_key_enc_by_shared_secret.as_ref().unwrap()
        )
    }
}