pub mod cli_handler;
pub mod config;
pub mod grpc_brain;
pub mod grpc_dtpm;
pub mod packaging;
pub mod utils;

use crate::snp;
use crate::{constants::HRATLS_APP_PORT, utils::block_on};
use detee_shared::{
    app_proto::{
        AppContract as AppContractPB, AppNodeFilters, AppNodeListResp, AppResource, NewAppRes,
    },
    sgx::types::brain::Resource,
};
use grpc_brain::get_one_app_node;
use serde::{Deserialize, Serialize};
use tabled::Tabled;

#[derive(Tabled, Debug, Serialize, Deserialize)]
pub struct AppContract {
    #[tabled(rename = "Location")]
    pub location: String,
    #[tabled(rename = "UUID")]
    pub uuid: String,
    pub name: String,
    #[tabled(rename = "Cores")]
    pub vcpu: u32,
    #[tabled(rename = "Mem (MB)")]
    pub memory_mb: u32,
    #[tabled(rename = "Disk (MB)")]
    pub disk_mb: u32,
    #[tabled(rename = "LP/h")]
    pub cost_h: String,
    #[tabled(rename = "time left", display_with = "display_mins")]
    pub time_left: u64,
    #[tabled(rename = "Node IP")]
    pub node_ip: String,
    #[tabled(rename = "Exposed ports", display_with = "display_ports")]
    pub exposed_host_ports: Vec<(u32, u32)>,
}

fn display_mins(minutes: &u64) -> String {
    let mins = minutes % 60;
    let hours = minutes / 60;

    format!("{hours}h {mins}m")
}

fn display_ports(ports: &[(u32, u32)]) -> String {
    ports.iter().map(|port| format!("({}:{})", port.0, port.1,)).collect::<Vec<_>>().join(", ")
}

impl crate::HumanOutput for Vec<AppContract> {
    fn human_cli_print(&self) {
        let style = tabled::settings::Style::rounded();
        let mut table = tabled::Table::new(self);
        table.with(style);
        println!("{table}");
    }
}

impl From<AppContractPB> for AppContract {
    fn from(brain_app_contract: AppContractPB) -> Self {
        let node_pubkey = brain_app_contract.node_pubkey.clone();
        let location = match block_on(get_one_app_node(AppNodeFilters {
            node_pubkey: node_pubkey.clone(),
            ..Default::default()
        })) {
            Ok(node) => format!("{}, {} ({})", node.city, node.region, node.country),
            Err(e) => {
                log::warn!("Could not get information about node {node_pubkey} fram brain: {e:?}");
                String::new()
            }
        };

        let AppResource { vcpu, memory_mb, disk_mb, .. } =
            brain_app_contract.resource.unwrap_or_default();

        let exposed_host_ports = brain_app_contract
            .mapped_ports
            .iter()
            .map(|port| (port.host_port, port.app_port))
            .collect::<Vec<_>>();

        Self {
            location,
            uuid: brain_app_contract.uuid,
            name: brain_app_contract.app_name,
            vcpu,
            memory_mb,
            disk_mb,
            cost_h: format!(
                "{:.4}",
                (brain_app_contract.nano_per_minute * 60) as f64 / 1_000_000_000.0
            ),
            time_left: brain_app_contract.locked_nano / brain_app_contract.nano_per_minute,
            node_ip: brain_app_contract.public_ipv4,
            exposed_host_ports,
        }
    }
}

#[derive(Debug, Serialize, Deserialize)]
pub struct AppDeployResponse {
    pub status: String,
    pub uuid: String,
    pub name: String,
    pub node_ip: String,
    pub hratls_port: u32,
    pub error: String,
}

impl crate::HumanOutput for AppDeployResponse {
    fn human_cli_print(&self) {
        println!("App deployd with UUID: {}", self.uuid);
    }
}

impl From<NewAppRes> for AppDeployResponse {
    fn from(value: NewAppRes) -> Self {
        Self {
            status: value.status,
            uuid: value.uuid,
            name: "".to_string(),
            node_ip: value.ip_address,
            hratls_port: value
                .mapped_ports
                .iter()
                .find(|port| port.app_port == HRATLS_APP_PORT)
                .map(|port| port.host_port)
                .unwrap_or(HRATLS_APP_PORT),
            error: value.error,
        }
    }
}

#[derive(Debug, Serialize, Deserialize)]
pub struct AppDeleteResponse {
    pub uuid: String,
    pub message: String,
}

impl crate::HumanOutput for AppDeleteResponse {
    fn human_cli_print(&self) {
        println!("App deleted successfully: UUID: {}", self.uuid);
    }
}

pub async fn get_app_node(
    resource: Resource,
    // TODO: change this to utils or something
    location: snp::deploy::Location,
) -> Result<AppNodeListResp, grpc_brain::Error> {
    let app_node_filter = AppNodeFilters {
        vcpus: resource.vcpu,
        memory_mb: resource.memory_mb,
        storage_mb: resource.disk_mb,
        country: location.country.clone().unwrap_or_default(),
        region: location.region.clone().unwrap_or_default(),
        city: location.city.clone().unwrap_or_default(),
        ip: location.node_ip.clone().unwrap_or_default(),
        node_pubkey: String::new(),
    };
    get_one_app_node(app_node_filter).await
}

pub fn inspect_node(ip: String) -> Result<AppNodeListResp, grpc_brain::Error> {
    let req = AppNodeFilters { ip, ..Default::default() };
    block_on(get_one_app_node(req))
}

#[derive(Tabled, Debug, Serialize, Deserialize)]
pub struct TabledAppNode {
    #[tabled(rename = "Operator")]
    pub operator: String,
    #[tabled(rename = "City, Region, Country")]
    pub location: String,
    #[tabled(rename = "IP")]
    pub public_ip: String,
    #[tabled(rename = "Price per unit")]
    pub price: String,
    #[tabled(rename = "Reports")]
    pub reports: usize,
}

impl From<AppNodeListResp> for TabledAppNode {
    fn from(brain_node: AppNodeListResp) -> Self {
        Self {
            operator: brain_node.operator,
            location: brain_node.city + ", " + &brain_node.region + ", " + &brain_node.country,
            public_ip: brain_node.ip,
            price: format!("{} nanoLP/min", brain_node.price),
            reports: brain_node.reports.len(),
        }
    }
}

impl super::HumanOutput for Vec<AppNodeListResp> {
    fn human_cli_print(&self) {
        let nodes: Vec<TabledAppNode> = self.iter().map(|n| n.clone().into()).collect();
        let style = tabled::settings::Style::rounded();
        let mut table = tabled::Table::new(nodes);
        table.with(style);
        println!("{table}");
    }
}

pub fn print_nodes() -> Result<Vec<AppNodeListResp>, grpc_brain::Error> {
    log::debug!("This will support flags in the future, but we have only one node atm.");
    let req = AppNodeFilters { ..Default::default() };
    block_on(grpc_brain::get_app_node_list(req))
}