// zotapi - Rust wrapper for Sot API as implemented by Hubzilla
// Copyright (C) 2018  Harald Eilertsen <haraldei@anduin.net>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

use client::{self, Client};
use error::Error;
use std::collections::BTreeMap;

pub struct XChanFetcher<'a> {
    client: &'a Client,
    data: BTreeMap<&'a str, &'a str>,
}

impl<'a> XChanFetcher<'a> {
    pub fn new(client: &'a Client) -> XChanFetcher<'a> {
        XChanFetcher {
            client,
            data: BTreeMap::new(),
        }
    }

    pub fn by_address(&mut self, addr: &'a str) -> &mut XChanFetcher<'a> {
        self.data.insert("address", addr);
        self
    }

    pub fn by_hash(&mut self, hash: &'a str) -> &mut XChanFetcher<'a> {
        self.data.insert("hash", hash);
        self
    }

    pub fn by_guid(&mut self, guid: &'a str) -> &mut XChanFetcher<'a> {
        self.data.insert("guid", guid);
        self
    }

    pub fn fetch(&self) -> Result<String, Error> {
        self.client.fetch_stream(client::ZOTAPI_XCHAN_PATH, &self.data)
    }
}