#!/usr/bin/env bash

if [ "$#" -ne 1 ]; then
    echo "Usage: query.sh <mm:ss>"
    exit 1
fi

TIME=$1
shift

DB="db/rowing.sqlite3"

cat<<EOF | sqlite3 "${DB}"
SELECT 
  CASE 
    WHEN (CAST(REPLACE('${TIME}', ':', '') AS INTEGER) < (SELECT REPLACE(MIN(min_time), ':', '') FROM rowing))
      THEN 'You are off the charts too fast'
    WHEN (CAST(REPLACE('${TIME}', ':', '') AS INTEGER) > (SELECT REPLACE(MAX(max_time), ':', '') FROM rowing))
      THEN 'You are off the charts too slow'
    ELSE
      '${TIME} is ' || 
      CASE 
        WHEN SUBSTR(LOWER(word), 1, 1) IN ('a', 'e', 'i', 'o', 'u') THEN 'an' 
        ELSE 'a' 
      END || ' ' || word || ' time' 
    END AS message
  FROM (
    SELECT rating AS word FROM rowing WHERE '${TIME}' BETWEEN min_time AND max_time
    UNION ALL SELECT 1 AS word LIMIT 1 -- dummy selection to make sure the out-of-bounds messages get shown
  );
EOF