/*
Implementing the "Two-line element set (TLE)", a data format encoding orbital elements of Earth-orbiting objects. https://en.wikipedia.org/wiki/Two-line_element_set
*/

package TLE

// TLE defines the lines contained in a Two-Line-Element
type TLE struct {
	TitleLine TitleLine `json:"titleline"`
	LineOne   LineOne   `json:"lineone"`
	LineTwo   LineTwo   `json:"linetwo"`
}

func NewTLE(titleLine TitleLine, lineOne LineOne, lineTwo LineTwo) *TLE {
	return &TLE{TitleLine: titleLine, LineOne: lineOne, LineTwo: lineTwo}
}

type TitleLine struct {
	Satname string `json:"satname"`
}

type LineOne struct {
	Linenumber              int8                    `json:"linenumber"`
	Satellitenumber         int                     `json:"satellitenumber"`
	Classification          rune                    `json:"classification"`
	InternationalDesignator InternationalDesignator `json:"internationaldesignator"`
	Epoch                   Epoch                   `json:"epoch"`
	Firstderiv              float64                 `json:"firstderiv"`
	Secondderiv             float64                 `json:"secondderiv"`
	BSTAR                   float64                 `json:"BSTAR"`
	Numberzero              int8                    `json:"numberzero"`
	ElementSetNumber        int                     `json:"elementesetnumber"`
	Checksum                int8                    `json:"checksum"`
}

type InternationalDesignator struct {
	Launchyear   int8 `json:"launchyear"`
	Launchnumber int  `json:"launchnumber"`
	Launchpiece  rune `json:"launchpiece"`
}

type Epoch struct {
	Year        int8    `json:"year"`
	Dayfraction float64 `json:"dayfraction"`
}

type LineTwo struct {
	Linenumber                       int8    `json:"linenumber"`
	Satellitenumber                  int     `json:"satellitenumber"`
	Inclination                      float64 `json:"inclination"`
	RightAscensionOfTheAscendingNode float64 `json:"rightascensionoftheascendingnode"`
	Eccentricity                     float64 `json:"eccentricity"`
	ArgumentOfPerigee                float64 `json:"argumentofperigee"`
	MeanAnomaly                      float64 `json:"meananomaly"`
	MeanMotion                       float64 `json:"meanmotion"`
	RevolutionNumberAtEpoch          int     `json:"revolutionnumberatepoch"`
	Checksum                         int8    `json:"checksum"`
}