use nomos_da_network_core::{
    protocols::sampling::SubnetsConfig, swarm::DAConnectionPolicySettings,
};
use nomos_da_network_service::{
    NetworkConfig as DaNetworkConfig, api::http::ApiAdapterSettings,
    backends::libp2p::common::DaNetworkBackendSettings,
};
use nomos_node::{
    Config as ValidatorConfig, RocksBackendSettings, config::deployment::DeploymentSettings,
};
use nomos_sdp::SdpSettings;

use crate::{
    nodes::{
        blend::build_blend_service_config,
        common::{
            cryptarchia_config, cryptarchia_deployment, da_sampling_config, da_verifier_config,
            http_config, mempool_config, mempool_deployment, testing_http_config, time_config,
            time_deployment, tracing_settings, wallet_settings,
        },
    },
    topology::configs::GeneralConfig,
};

#[must_use]
pub fn create_validator_config(config: GeneralConfig) -> ValidatorConfig {
    let network_config = config.network_config.clone();
    let (blend_user_config, blend_deployment, network_deployment) =
        build_blend_service_config(&config.blend_config);

    let deployment_settings =
        build_validator_deployment_settings(&config, blend_deployment, network_deployment);

    ValidatorConfig {
        network: network_config,
        blend: blend_user_config,
        deployment: deployment_settings,
        cryptarchia: cryptarchia_config(&config),
        da_network: DaNetworkConfig {
            backend: build_validator_da_network_backend_settings(&config),
            membership: config.da_config.membership.clone(),
            api_adapter_settings: ApiAdapterSettings {
                api_port: config.api_config.address.port(),
                is_secure: false,
            },
            subnet_refresh_interval: config.da_config.subnets_refresh_interval,
            subnet_threshold: config.da_config.num_samples as usize,
            min_session_members: config.da_config.num_samples as usize,
        },
        da_verifier: da_verifier_config(&config),
        tracing: tracing_settings(&config),
        http: http_config(&config),
        da_sampling: da_sampling_config(&config),
        storage: rocks_storage_settings(),
        time: time_config(&config),
        mempool: mempool_config(),
        sdp: SdpSettings { declaration: None },
        testing_http: testing_http_config(&config),
        wallet: wallet_settings(&config),
        key_management: config.kms_config.clone(),
    }
}

fn build_validator_deployment_settings(
    config: &GeneralConfig,
    blend_deployment: nomos_node::config::blend::deployment::Settings,
    network_deployment: nomos_node::config::network::deployment::Settings,
) -> DeploymentSettings {
    DeploymentSettings::new_custom(
        blend_deployment,
        network_deployment,
        cryptarchia_deployment(config),
        time_deployment(config),
        mempool_deployment(),
    )
}

fn build_validator_da_network_backend_settings(config: &GeneralConfig) -> DaNetworkBackendSettings {
    let da_policy_settings = config.da_config.policy_settings.clone();

    DaNetworkBackendSettings {
        node_key: config.da_config.node_key.clone(),
        listening_address: config.da_config.listening_address.clone(),
        policy_settings: DAConnectionPolicySettings {
            min_dispersal_peers: 0,
            min_replication_peers: da_policy_settings.min_replication_peers,
            max_dispersal_failures: da_policy_settings.max_dispersal_failures,
            max_sampling_failures: da_policy_settings.max_sampling_failures,
            max_replication_failures: da_policy_settings.max_replication_failures,
            malicious_threshold: da_policy_settings.malicious_threshold,
        },
        monitor_settings: config.da_config.monitor_settings.clone(),
        balancer_interval: config.da_config.balancer_interval,
        redial_cooldown: config.da_config.redial_cooldown,
        replication_settings: config.da_config.replication_settings,
        subnets_settings: SubnetsConfig {
            num_of_subnets: config.da_config.num_samples as usize,
            shares_retry_limit: config.da_config.retry_shares_limit,
            commitments_retry_limit: config.da_config.retry_commitments_limit,
        },
    }
}

fn rocks_storage_settings() -> RocksBackendSettings {
    RocksBackendSettings {
        db_path: "./db".into(),
        read_only: false,
        column_family: Some("blocks".into()),
    }
}