use core::dimensions
use math::constants

### SI base units

@name("Metre")
@url("https://en.wikipedia.org/wiki/Metre")
@metric_prefixes
@aliases(metres, meter, meters, m: short)
unit metre: Length

@name("Second")
@url("https://en.wikipedia.org/wiki/Second")
@metric_prefixes
@aliases(seconds, s: short, sec: none)
unit second: Time

@name("Gram")
@url("https://en.wikipedia.org/wiki/Gram")
@metric_prefixes
@aliases(grams, gramme, grammes, g: short)
unit gram: Mass

@name("Ampere")
@url("https://en.wikipedia.org/wiki/Ampere")
@metric_prefixes
@aliases(amperes, A: short)
unit ampere: Current

@name("Kelvin")
@url("https://en.wikipedia.org/wiki/Kelvin")
@metric_prefixes
@aliases(kelvins, K: short)
unit kelvin: Temperature

@name("Mole")
@url("https://en.wikipedia.org/wiki/Mole_(unit)")
@metric_prefixes
@aliases(moles, mol: short)
unit mole: AmountOfSubstance

@name("Candela")
@url("https://en.wikipedia.org/wiki/Candela")
@metric_prefixes
@aliases(candelas, cd: short)
unit candela: LuminousIntensity

### SI derived units

@name("Radian")
@url("https://en.wikipedia.org/wiki/Radian")
@metric_prefixes
@aliases(radians, rad: short)
unit radian: Angle = meter / meter

@name("Steradian")
@url("https://en.wikipedia.org/wiki/Steradian")
@metric_prefixes
@aliases(steradians, sr: short)
unit steradian: SolidAngle = radian^2

@name("Hertz")
@url("https://en.wikipedia.org/wiki/Hertz")
@metric_prefixes
@aliases(Hz: short)
unit hertz: Frequency = 1 / second

@name("Newton")
@url("https://en.wikipedia.org/wiki/Newton_(unit)")
@metric_prefixes
@aliases(newtons, N: short)
unit newton: Force = kilogram meter / second^2

@name("Pascal")
@url("https://en.wikipedia.org/wiki/Pascal_(unit)")
@metric_prefixes
@aliases(pascals, Pa: short)
unit pascal: Pressure = newton / meter^2

@name("Joule")
@url("https://en.wikipedia.org/wiki/Joule")
@metric_prefixes
@aliases(joules, J: short)
unit joule: Energy = newton meter

@name("Watt")
@url("https://en.wikipedia.org/wiki/Watt")
@metric_prefixes
@aliases(watts, W: short)
unit watt: Power = joule / second

@name("Coulomb")
@url("https://en.wikipedia.org/wiki/Coulomb")
@metric_prefixes
@aliases(coulombs, C: short)
unit coulomb: ElectricCharge = ampere second

@name("Volt")
@url("https://en.wikipedia.org/wiki/Volt")
@metric_prefixes
@aliases(volts, V: short)
unit volt: Voltage = kilogram meter^2 / (second^3 ampere)

@name("Farad")
@url("https://en.wikipedia.org/wiki/Farad")
@metric_prefixes
@aliases(farads, F: short)
unit farad: Capacitance = coulomb / volt

@name("Ohm")
@url("https://en.wikipedia.org/wiki/Ohm")
@metric_prefixes
@aliases(ohms, Ω: short, Ω: short)
unit ohm: ElectricResistance = volt / ampere

@name("Siemens")
@url("https://en.wikipedia.org/wiki/Siemens_(unit)")
@metric_prefixes
@aliases(S: short)
unit siemens: ElectricConductance = 1 / ohm

@name("Weber")
@url("https://en.wikipedia.org/wiki/Weber_(unit)")
@metric_prefixes
@aliases(webers, Wb: short)
unit weber: MagneticFlux = volt second

@name("Tesla")
@url("https://en.wikipedia.org/wiki/Tesla_(unit)")
@metric_prefixes
@aliases(teslas, T: short)
unit tesla: MagneticFluxDensity = weber / meter^2

@name("Henry")
@url("https://en.wikipedia.org/wiki/Henry_(unit)")
@metric_prefixes
@aliases(henrys, henries, H: short)
unit henry: Inductance = weber / ampere

@name("Lumen")
@url("https://en.wikipedia.org/wiki/Lumen_(unit)")
@metric_prefixes
@aliases(lumens, lm: short)
unit lumen: LuminousFlux = candela steradian

@name("Lux")
@url("https://en.wikipedia.org/wiki/Lux")
@metric_prefixes
@aliases(lx: short)
unit lux: Illuminance = lumen / meter^2

@name("Becquerel")
@url("https://en.wikipedia.org/wiki/Becquerel")
@metric_prefixes
@aliases(becquerels, Bq: short)
unit becquerel: Activity = 1 / second

@name("Gray")
@url("https://en.wikipedia.org/wiki/Gray_(unit)")
@metric_prefixes
@aliases(grays, Gy: short)
unit gray: AbsorbedDose = joule / kilogram

@name("Sievert")
@url("https://en.wikipedia.org/wiki/Sievert")
@metric_prefixes
@aliases(sieverts, Sv: short)
unit sievert: EquivalentDose = joule / kilogram

@name("Katal")
@url("https://en.wikipedia.org/wiki/Katal")
@metric_prefixes
@aliases(katals, kat: short)
unit katal: CatalyticActivity = mole / second

### SI accepted units

@name("Minute")
@url("https://en.wikipedia.org/wiki/Minute")
@aliases(minutes, min: short)
unit minute: Time = 60 seconds

@name("Hour")
@url("https://en.wikipedia.org/wiki/Hour")
@aliases(hours, hr, h: short)
unit hour: Time = 60 minutes

@name("Day")
@url("https://en.wikipedia.org/wiki/Day")
@aliases(days, day: short, d: short)
unit day: Time = 24 hours

@name("Astronomical unit")
@url("https://en.wikipedia.org/wiki/Astronomical_unit")
@aliases(astronomicalunits, au: short, AU: short)
unit astronomicalunit: Length = 149_597_870_700 meter

@name("Degree")
@url("https://en.wikipedia.org/wiki/Degree_(angle)")
@aliases(degrees, deg, °: short)
unit degree: Angle = π / 180 × radian

@name("Minute of arc")
@url("https://en.wikipedia.org/wiki/Minute_and_second_of_arc")
@aliases(arcminutes, arcmin, ′: short)
unit arcminute: Angle = 1 / 60 × degree

@name("Second of arc")
@url("https://en.wikipedia.org/wiki/Minute_and_second_of_arc")
@aliases(arcseconds, arcsec, ″: short)
unit arcsecond: Angle = 1 / 60 × arcminute

@name("Are")
@url("https://en.wikipedia.org/wiki/Are_(unit)")
unit are: Area = (10 m)^2

@name("Hectare")
@url("https://en.wikipedia.org/wiki/Hectare")
@aliases(hectares, ha: short)
unit hectare: Area = 100 are

@name("Litre")
@url("https://en.wikipedia.org/wiki/Litre")
@metric_prefixes
@aliases(litres, liter, liters, l: short, L: short)
unit litre: Volume = decimeter^3

@name("Tonne")
@url("https://en.wikipedia.org/wiki/Tonne")
@metric_prefixes
@aliases(tonnes, ton: both, tons: both, metricton: none)
unit tonne: Mass = 10^3 kilogram

@name("Dalton")
@url("https://en.wikipedia.org/wiki/Dalton")
@aliases(daltons, Da: short)
unit dalton: Mass = 1.660_539_066_60e-27 kilogram

@name("Electron volt")
@url("https://en.wikipedia.org/wiki/Electronvolt")
@metric_prefixes
@aliases(electronvolts, eV: short)
unit electronvolt: Energy = 1.602_176_634e-19 joule