use crate::db::{Dao, TenebrousDbConn};
use crate::errors::Error;
use crate::models::characters::{Character, CharacterDataType, DynCharacterData, Visibility};
use crate::models::proto::{cofd::*, Proto};
use crate::models::users::User;
use rocket_contrib::templates::Template;
use serde::Serialize;
use std::borrow::Cow;
use std::collections::HashMap;

pub(crate) fn routes() -> Vec<rocket::Route> {
    routes![
        cofd::update_basic_info,
        cofd::update_attributes,
        cofd::update_attribute,
        cofd::update_skills,
        cofd::add_condition,
        cofd::remove_condition
    ]
}

/// Load the character belonging to the given user, as long as they're
/// the owner of that character. Returns an error if user is not
/// logged in, the owner of the character is not found, or the logged
/// in user does not have the permission to access this character.
async fn load_character(
    conn: &TenebrousDbConn<'_>,
    logged_in_user: Option<&User>,
    owner: String,
    character_id: i32,
) -> Result<Character, Error> {
    let logged_in_user = logged_in_user.ok_or(Error::NotLoggedIn)?;

    let character: Character = conn
        .load_character(character_id)
        .await?
        .ok_or(Error::NotFound)?;

    if logged_in_user.username != owner {
        return Err(Error::NoPermission);
    }

    Ok(character)
}

/// Protobuf-based REST endpoints for editing a character.
mod cofd {
    use super::*;
    use crate::models::proto::{cofd::api::*, cofd::*, Proto};

    #[post("/cofd/<owner>/<character_id>/basic-info", data = "<info>")]
    pub(super) fn update_basic_info<'a>(
        owner: String,
        character_id: i32,
        info: Proto<BasicInfo>,
    ) -> &'a str {
        "lol"
    }

    #[post("/cofd/<owner>/<character_id>/attributes", data = "<info>")]
    pub(super) fn update_attributes<'a>(
        owner: String,
        character_id: i32,
        info: Proto<Attributes>,
    ) -> &'a str {
        "lol"
    }

    #[patch("/cofd/<owner>/<character_id>/attributes", data = "<attr_update>")]
    pub(super) async fn update_attribute<'a>(
        owner: String,
        character_id: i32,
        attr_update: Proto<Attribute>,
        conn: TenebrousDbConn<'_>,
        logged_in_user: Option<&User>,
    ) -> Result<&'a str, Error> {
        let mut character = load_character(&conn, logged_in_user, owner, character_id).await?;
        let mut sheet: CofdSheet = character.try_deserialize()?;

        match attr_update.name.to_lowercase().as_ref() {
            "strength" => Ok(sheet.strength = attr_update.value),
            "dexterity" => Ok(sheet.dexterity = attr_update.value),
            "stamina" => Ok(sheet.stamina = attr_update.value),
            "intelligence" => Ok(sheet.intelligence = attr_update.value),
            "wits" => Ok(sheet.wits = attr_update.value),
            "resolve" => Ok(sheet.resolve = attr_update.value),
            "presence" => Ok(sheet.presence = attr_update.value),
            "manipulation" => Ok(sheet.manipulation = attr_update.value),
            "composure" => Ok(sheet.composure = attr_update.value),
            _ => Err(Error::InvalidInput),
        }?;

        println!(
            "updated {} attribute {} to {}",
            character.character_name, attr_update.name, attr_update.value
        );

        character.update_data(sheet)?;
        conn.update_character_sheet(&character).await?;
        Ok("lol")
    }

    #[post("/cofd/<owner>/<character_id>/skills", data = "<info>")]
    pub(super) fn update_skills<'a>(
        owner: String,
        character_id: i32,
        info: Proto<Skills>,
        conn: TenebrousDbConn<'_>,
    ) -> &'a str {
        "lol"
    }

    #[put("/cofd/<owner>/<character_id>/conditions", data = "<info>")]
    pub(super) fn add_condition<'a>(
        owner: String,
        character_id: i32,
        info: Proto<Condition>,
    ) -> &'a str {
        "lol"
    }

    #[delete("/cofd/<owner>/<character_id>/conditions", data = "<info>")]
    pub(super) fn remove_condition<'a>(
        owner: String,
        character_id: i32,
        info: Proto<Condition>,
    ) -> &'a str {
        "lol"
    }
}