/*
Copyright 2008, 2013 bjweeks, MZMcBride, Tim Landscheidt
Copyright 2021 Kunal Mehta <legoktm@debian.org>

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 <http://www.gnu.org/licenses/>.
 */

use anyhow::Result;
use dbreps2::{str_vec, Frequency, Report};
use mysql_async::prelude::*;
use mysql_async::Conn;

pub struct Row {
    ipb_address: String,
    ipb_by_text: String,
    ipb_timestamp: String,
    ipb_expiry: String,
    ipb_reason: String,
}

pub struct ExcessiveIps {}

impl Report<Row> for ExcessiveIps {
    fn title(&self) -> &'static str {
        "Unusually long IP blocks"
    }

    fn frequency(&self) -> Frequency {
        Frequency::Monthly
    }

    fn rows_per_page(&self) -> Option<usize> {
        Some(2500)
    }

    fn query(&self) -> &'static str {
        r#"
/* excessiveips.rs SLOW_OK */
SELECT
  ipb_address,
  ipb_by_text,
  ipb_timestamp,
  ipb_expiry,
  ipb_reason
FROM
  ipblocks_compat
WHERE
  ipb_expiry > DATE_FORMAT(DATE_ADD(NOW(), INTERVAL 2 YEAR), '%Y%m%d%H%i%s')
  AND ipb_expiry != "infinity"
  AND ipb_user = 0
  AND INSTR(LOWER(ipb_reason), 'proxy') = 0
  AND INSTR(LOWER(ipb_reason), 'webhost') = 0;
"#
    }

    async fn run_query(&self, conn: &mut Conn) -> Result<Vec<Row>> {
        let rows = conn
            .query_map(
                self.query(),
                |(
                    ipb_address,
                    ipb_by_text,
                    ipb_timestamp,
                    ipb_expiry,
                    ipb_reason,
                )| Row {
                    ipb_address,
                    ipb_by_text,
                    ipb_timestamp,
                    ipb_expiry,
                    ipb_reason,
                },
            )
            .await?;
        Ok(rows)
    }

    fn intro(&self) -> &'static str {
        "Unusually long (more than two years) blocks of IPs whose block reasons do not contain \"proxy\" or \"webhost\""
    }

    fn headings(&self) -> Vec<&'static str> {
        vec!"IP", "Admin", "Timestamp", "Expiry", "Reason"
    }

    fn format_row(&self, row: &Row) -> Vec<String> {
        str_vec!
            format!("[[User talk:{}|]]", &row.ipb_address),
            row.ipb_by_text,
            row.ipb_timestamp,
            row.ipb_expiry,
            format!("<nowiki>{}</nowiki>", &row.ipb_reason)
        
    }

    fn code(&self) -> &'static str {
        include_str!("excessiveips.rs")
    }
}