/* measurement values and units warnings (ticket #8687) */

*[/^[0-9]+$/] {
  throwWarning: tr("numerical key");
  assertMatch: "way 123=foo";
  assertNoMatch: "way ref.1=foo";
}

*[layer =~ /\+.*/] {
  throwWarning: tr("layer tag with + sign");
  fixAdd: concat("layer=", replace(tag("layer"), "+", ""));
  assertMatch: "node layer=+1";
  assertNoMatch: "node layer=1";
  assertNoMatch: "node layer=-1";
}

*[layer][layer !~ /^0$|^(-|\+)?[1-5]$/] {
  throwWarning: tr("layer should be between -5 and 5");
  assertMatch: "node layer=-50";
  assertMatch: "node layer=6";
  assertMatch: "node layer=+100";
  assertNoMatch: "node layer=-5";
  assertNoMatch: "node layer=0";
  assertNoMatch: "node layer=2";
  assertNoMatch: "node layer=+5"; /* this is an invalid value, but this case is already covered by the previous rule */
}

*[building:levels][building:levels !~ /^(([0-9]|[1-9][0-9]*)(\.5)?)$/],
*[level][level !~ /^((((-*[1-9]|[0-9])|-*[1-9][0-9]*)(\.5)?)|-0\.5)(;((((-*[1-9]|[0-9])|-*[1-9][0-9]*)(\.5)?)|-0\.5))*$/] { /* all numbers from -∞ to ∞ in 0.5 steps, optional multiple values seperated by a ; */
  throwWarning: tr("{0} should have numbers only with optional .5 increments", "{0.key}");
  assertMatch: "node level=one";
  assertMatch: "node level=01";
  assertMatch: "node level=-03";
  assertMatch: "node level=-01.5";
  assertMatch: "node level=2.3";
  assertMatch: "node level=-0";
  assertNoMatch: "node level=0";
  assertNoMatch: "node level=1";
  assertNoMatch: "node level=-1";
  assertNoMatch: "node level=-0.5";
  assertNoMatch: "node level=1.5";
  assertNoMatch: "node level=12";
  assertNoMatch: "node level=0;1";
  assertNoMatch: "node level=1;1.5";
  assertNoMatch: "node level=1;0.5";
  assertNoMatch: "node level=0;-0.5";
  assertNoMatch: "node level=-0.5;0";
  assertNoMatch: "node level=-1;-0.5";
  assertNoMatch: "node building:levels=1.5";
  assertMatch: "node building:levels=-1";
  assertNoMatch: "node building:levels=0"; /* valid because there can be building:levels:underground > 0 or roof:levels > 0 */
}

*[height][height !~ /^(([0-9]+\.?[0-9]*( (m|ft))?)|([1-9][0-9]*\'((10|11|[0-9])((\.[0-9]+)?)\")?))$/] {
  throwWarning: tr("{0}: meters is default; period is separator; if units, put space then unit", "height");
  assertMatch: "node height=medium";
  assertMatch: "node height=-5";
  assertNoMatch: "node height=2 m";
  assertNoMatch: "node height=5";
  assertNoMatch: "node height=7.8";
  assertNoMatch: "node height=20 ft";
  assertNoMatch: "node height=22'";
}

*[maxheight][maxheight !~ /^(([1-9][0-9]*(\.[0-9]+)?( (m|ft))?)|([0-9]+\'(([0-9]|10|11)(\.[0-9]*)?\")?)|none|default)$/] {
  throwWarning: tr("{0}: meters is default; period is separator; if units, put space then unit", "maxheight");
  assertMatch: "node maxheight=something";
  assertMatch: "node maxheight=-5";
  assertMatch: "node maxheight=0";
  assertNoMatch: "node maxheight=4";
  assertNoMatch: "node maxheight=3.5";
  assertNoMatch: "node maxheight=2 m";
  assertNoMatch: "node maxheight=14 ft";
  assertNoMatch: "node maxheight=10'";
  assertNoMatch: "node maxheight=16'3\"";
}

way[width][width !~ /^(([0-9]+\.?[0-9]*( [a-z]+)?)|([0-9]+\'([0-9]+\.?[0-9]*\")?))$/] {
  throwWarning: tr("{0}: meters is default; period is separator; if units, put space then unit", "width");
  assertMatch: "way width=something";
  assertMatch: "way width=-5";
  assertNoMatch: "way width=3";
  assertNoMatch: "way width=0.5";
  assertNoMatch: "way width=1 m";
  assertNoMatch: "way width=10 ft";
  assertNoMatch: "way width=1'";
  assertNoMatch: "way width=10'5\"";
}

*[maxwidth][maxwidth !~ /^(([0-9]+\.?[0-9]*( (m|ft))?)|([0-9]+\'[0-9]+\.?[0-9]*\"))$/] {
  throwWarning: tr("{0}: meters is default; period is separator; if units, put space then unit", "maxwidth");
  assertMatch: "way maxwidth=something";
  assertMatch: "way maxwidth=-5";
  assertNoMatch: "way maxwidth=2";
  assertNoMatch: "way maxwidth=6'6\"";
  assertNoMatch: "way maxwidth=2.5";
  assertNoMatch: "way maxwidth=7 ft";
}
*[maxweight][maxweight !~ /^(([0-9]+\.?[0-9]*( (t|kg|lbs))?)|([0-9]+\'[0-9]+\.?[0-9]*\"))$/] {
  throwWarning: tr("{0}: tonne is default; period is separator; if units, put space then unit", "maxweight");
  assertMatch: "way maxweight=something";
  assertMatch: "way maxweight=-5";
  assertNoMatch: "way maxweight=2";
  assertNoMatch: "way maxweight=6'6\"";
  assertNoMatch: "way maxweight=2.5";
  assertNoMatch: "way maxweight=7 kg";
}
way[maxspeed][maxspeed !~ /^(signals|none|unposted|variable|walk|[1-9][0-9]*( [a-z]+)?|[A-Z][A-Z]:(urban|rural|living_street|motorway))$/],
way[maxspeed:forward][maxspeed:forward !~ /^(signals|none|unposted|variable|walk|[1-9][0-9]*( [a-z]+)?|[A-Z][A-Z]:(urban|rural|living_street|motorway))$/],
way[maxspeed:backward][maxspeed:backward !~ /^(signals|none|unposted|variable|walk|[1-9][0-9]*( [a-z]+)?|[A-Z][A-Z]:(urban|rural|living_street|motorway))$/] {
  throwWarning: tr("unusual {0} format", "maxspeed");
  assertMatch: "way maxspeed=something";
  assertMatch: "way maxspeed=-50";
  assertMatch: "way maxspeed=0";
  assertNoMatch: "way maxspeed=50";
  assertNoMatch: "way maxspeed=30 mph";
  assertNoMatch: "way maxspeed=RO:urban";
  assertNoMatch: "way maxspeed=RU:rural";
  assertNoMatch: "way maxspeed=RU:living_street";
  assertNoMatch: "way maxspeed=DE:motorway";
  assertNoMatch: "way maxspeed=signals";
  assertNoMatch: "way maxspeed=none";
  assertNoMatch: "way maxspeed=variable";
}

*[distance][distance !~ /^(([0-9]+\.?[0-9]*( (km|mi|nmi))?)|([0-9]+\'[0-9]+\.?[0-9]*\"))$/] {
  throwWarning: tr("{0}: kilometers is default; period is separator; if units, put space then unit", "distance");
  assertMatch: "way distance=something";
  assertMatch: "way distance=-5";
  assertNoMatch: "way distance=2";
  assertNoMatch: "way distance=2.5";
  assertNoMatch: "way distance=7 mi";
}

way[voltage][voltage =~ /(.*[A-Za-z].*)|.*,.*|.*( ).*/] {
  throwWarning: tr("voltage should be in volts with no units/delimiter/spaces");
  assertMatch: "way voltage=medium";
  assertNoMatch: "way voltage=15000";
}

/* some users are using frequency for other purposes (not electromagnetic) 
   with the values 'perennial' and 'intermittent'; the vast majority are 0, 16.7, 50 and 60 */
way[frequency][frequency !~ /^(0|[1-9][0-9]*(\.[0-9]+)?)( (kHz|MHz|GHz|THz))?$/] {
  throwWarning: tr("unusual {0} specification", "frequency");
  assertMatch: "way frequency=something";
  assertNoMatch: "way frequency=0"; /* DC */
  assertNoMatch: "way frequency=16.7";
  assertNoMatch: "way frequency=50";
  assertNoMatch: "way frequency=680 kHz";
  assertNoMatch: "way frequency=123.5 MHz";
}

way[gauge][gauge !~ /^([1-9][0-9]{1,3}(;[1-9][0-9]{1,3})*|broad|standard|narrow)$/] {
  throwWarning: tr("unusual train track gauge; use mm with no separator");
  assertMatch: "way gauge=something";
  assertNoMatch: "way gauge=1435";
  assertNoMatch: "way gauge=1000;1435";
  assertNoMatch: "way gauge=standard";
  assertNoMatch: "way gauge=narrow";
}

/* the numbers for percentage and degrees include could probably be bracketed a bit more precisely */
way[incline][incline !~ /^(up|down|-?([0-9]+?(\.[1-9]%)?|100)[%°]?)$/] {
  throwWarning: tr("unusual incline; use percentages/degrees or up/down");
  assertMatch: "way incline=extreme";
  assertNoMatch: "way incline=up";
  assertNoMatch: "way incline=down";
  assertNoMatch: "way incline=10%";
  assertNoMatch: "way incline=-5%";
  assertNoMatch: "way incline=10°";
}

/* see ticket #9631 */
*[population][population !~ /^[0-9]+$/ ] {
  throwWarning: tr("{0} must be a numeric value", "{0.key}");
}

/* must be an integer positive number only and not 0, see #10837 (lanes), #11055 (screen) */
way[lanes][lanes !~ /^[1-9]([0-9]*)$/][highway],
way["lanes:backward"]["lanes:backward" !~ /^[1-9]([0-9]*)$/][highway],
way["lanes:forward"]["lanes:forward" !~ /^[1-9]([0-9]*)$/][highway],
*[screen][screen !~ /^[1-9]([0-9]*)$/][amenity=cinema] {
  throwError: tr("{0} must be a positive integer number", "{0.key}");
  assertMatch: "way highway=residential lanes=-1";
  assertMatch: "way highway=residential lanes=5.5";
  assertMatch: "way highway=residential lanes=1;2";
  assertMatch: "way highway=residential lanes:forward=-1";
  assertMatch: "way highway=residential lanes:backward=-1";
  assertNoMatch: "way highway=residential lanes=1";
  assertMatch: "node amenity=cinema screen=led";
  assertNoMatch: "node amenity=cinema screen=8";
}
*[admin_level][admin_level !~ /^(1|2|3|4|5|6|7|8|9|10|11|12)$/] {
  throwWarning: tr("unusual value of {0}", "{1.key}");
  assertMatch: "node admin_level=0";
  assertMatch: "node admin_level=-1";
  assertMatch: "node admin_level=13";
  assertNoMatch: "node admin_level=5";
}

*[direction][direction>=0][direction<360] {
    set correct_direction_degree;
}
*[direction][direction !~ /^(north|east|south|west|N|E|S|W|NE|SE|SW|NW|NNE|ENE|ESE|SSE|SSW|WSW|WNW|NNW|forward|backward|both|clockwise|anti-clockwise|anticlockwise|up|down)$/]!.correct_direction_degree {
  throwWarning: tr("unusual value of {0}", "{1.key}");
  assertMatch: "node direction=360";
  assertMatch: "node direction=-10";
  assertMatch: "node direction=north-east";
  assertNoMatch: "node direction=up"; 
  assertNoMatch: "node direction=down"; /* up/down are replaced by incline tag, has separate warning */
  assertNoMatch: "node direction=0";
  assertNoMatch: "node direction=45";
  assertNoMatch: "node direction=N";
  assertNoMatch: "node direction=NNE";
  assertNoMatch: "node direction=west";
  assertNoMatch: "node direction=forward";
  assertNoMatch: "node direction=anti-clockwise";
  assertNoMatch: "node direction=anticlockwise"; /* both spellings are in use and even wiki uses both */
}

/* #14786 (should be safe to just remove the meters unit from the value) */
*[ele][ele =~ /^-?[0-9]+(\.[0-9]+)? ?m$/] {
  throwWarning: tr("{0} must be a numeric value, in meters and without units", "{0.key}");
  fixAdd: concat("ele=", trim(replace(tag("ele"), "m", "")));
  set .ele_is_fixable;
  assertMatch: "node ele=12m";
  assertMatch: "node ele=12 m";
  assertNoMatch: "node ele=12km";
  assertMatch: "node ele=12.1m";
  assertMatch: "node ele=-12.1 m";
  assertNoMatch: "node ele=12";
  assertNoMatch: "node ele=high";
}
*[ele][ele !~ /^-?[0-9]+(\.[0-9]+)?$/]!.ele_is_fixable{
  throwWarning: tr("{0} must be a numeric value, in meters and without units", "{0.key}");
  assertNoMatch: "node ele=12m";
  assertNoMatch: "node ele=12 m";
  assertMatch: "node ele=12km";
  assertNoMatch: "node ele=12.1m";
  assertNoMatch: "node ele=-12.1 m";
  assertNoMatch: "node ele=12";
  assertMatch: "node ele=high";
}