package main

import (
	"fmt"
	"time"
)

var MicroSeconds = newNumber().SetInt64(1000000)

func ArTimeClass(N time.Time) ArObject {
	m := Map(anymap{
		"year": builtinFunc{
			"year",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(int64(N.Year())), ArErr{}
			},
		},
		"month": builtinFunc{
			"month",
			func(a ...any) (any, ArErr) {
				return N.Month().String(), ArErr{}
			},
		},
		"day": builtinFunc{
			"day",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(int64(N.Day())), ArErr{}
			},
		},
		"hour": builtinFunc{
			"hour",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(int64(N.Hour())), ArErr{}
			},
		},
		"minute": builtinFunc{
			"minute",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(int64(N.Minute())), ArErr{}
			},
		},
		"second": builtinFunc{
			"second",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(int64(N.Second())), ArErr{}
			},
		},
		"nanosecond": builtinFunc{
			"nanosecond",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(int64(N.Nanosecond())), ArErr{}
			},
		},
		"weekday": builtinFunc{
			"weekday",
			func(a ...any) (any, ArErr) {
				return N.Weekday().String(), ArErr{}
			},
		},
		"yearDay": builtinFunc{
			"yearDay",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(int64(N.YearDay())), ArErr{}
			},
		},
		"unix": builtinFunc{
			"unix",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(N.Unix()), ArErr{}
			},
		},
		"unixNano": builtinFunc{
			"unixNano",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(N.UnixNano()), ArErr{}
			},
		},
		"unixMilli": builtinFunc{
			"unixMilli",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(N.UnixMilli()), ArErr{}
			},
		},
		"unixMicro": builtinFunc{
			"unixMicro",
			func(a ...any) (any, ArErr) {
				return newNumber().SetInt64(N.UnixMicro()), ArErr{}
			},
		},
		"format": builtinFunc{
			"date",
			func(a ...any) (any, ArErr) {
				if len(a) == 0 {
					return N.Format(time.UnixDate), ArErr{}
				}
				return N.Format(a[0].(string)), ArErr{}
			},
		},
	})
	m.obj["__value__"] = newNumber().Quo(newNumber().SetInt64(N.UnixMicro()), MicroSeconds)
	return m
}

var ArTime = Map(anymap{
	"snooze": builtinFunc{"snooze", func(a ...any) (any, ArErr) {
		if len(a) == 1 {
			float, _ := a[0].(number).Float64()
			time.Sleep(time.Duration(float*1000000000) * time.Nanosecond)
		}
		return nil, ArErr{
			TYPE:    "Runtime Error",
			message: "snooze requires 1 argument",
		}
	}},
	"now": builtinFunc{"now", func(a ...any) (any, ArErr) {
		return ArTimeClass(time.Now()), ArErr{}
	}},
	"parse": builtinFunc{"parse", func(a ...any) (any, ArErr) {
		if len(a) == 1 {
			if typeof(a[0]) != "string" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "parse requires a string",
					EXISTS:  true,
				}
			}
			a[0] = ArValidToAny(a[0])
			N, err := time.Parse(time.UnixDate, a[0].(string))
			if err != nil {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: err.Error(),
				}
			}
			return ArTimeClass(N), ArErr{}
		} else if len(a) == 2 {
			if typeof(a[0]) != "string" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "parse requires a string",
					EXISTS:  true,
				}
			}
			a[0] = ArValidToAny(a[0])
			if typeof(a[1]) != "string" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "parse requires a string",
					EXISTS:  true,
				}
			}
			a[1] = ArValidToAny(a[1])
			N, err := time.Parse(a[0].(string), a[1].(string))
			if err != nil {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: err.Error(),
					EXISTS:  true,
				}
			}
			return ArTimeClass(N), ArErr{}
		}
		return nil, ArErr{
			TYPE:    "Runtime Error",
			message: "parse requires 1 or 2 arguments",
			EXISTS:  true,
		}
	}},
	"parseInLocation": builtinFunc{"parseInLocation", func(a ...any) (any, ArErr) {
		if len(a) == 2 {
			if typeof(a[0]) != "string" || typeof(a[1]) != "string" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "parseInLocation requires a string",
					EXISTS:  true,
				}
			}
			a[0] = ArValidToAny(a[0])
			a[1] = ArValidToAny(a[1])
			N, err := time.ParseInLocation(a[0].(string), a[1].(string), time.Local)
			if err != nil {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: err.Error(),
					EXISTS:  true,
				}
			}
			return ArTimeClass(N), ArErr{}
		}
		return nil, ArErr{
			TYPE:    "Runtime Error",
			message: "parseInLocation requires 2 arguments",
			EXISTS:  true,
		}
	},
	},
	"date": builtinFunc{"date", func(a ...any) (any, ArErr) {
		fmt.Println(a, len(a))
		if len(a) == 1 {
			if typeof(a[0]) != "string" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "date requires a string",
					EXISTS:  true,
				}
			}
			a[0] = ArValidToAny(a[0])
			N, err := time.Parse(time.UnixDate, a[0].(string))
			if err != nil {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: err.Error(),
					EXISTS:  true,
				}
			}
			return ArTimeClass(N), ArErr{}
		}
		return nil, ArErr{
			TYPE:    "Runtime Error",
			message: "date requires 1 argument",
			EXISTS:  true,
		}
	},
	},
	"unix": builtinFunc{"unix", func(a ...any) (any, ArErr) {
		if len(a) == 2 {
			if typeof(a[0]) != "number" || typeof(a[1]) != "number" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "unix requires a number",
					EXISTS:  true,
				}
			}
			sec, _ := a[0].(number).Float64()
			nsec, _ := a[1].(number).Float64()
			return ArTimeClass(time.Unix(int64(sec), int64(nsec))), ArErr{}
		}
		return nil, ArErr{
			TYPE:    "Runtime Error",
			message: "unix requires 2 arguments",
			EXISTS:  true,
		}
	},
	},
	"unixMilli": builtinFunc{"unixMilli", func(a ...any) (any, ArErr) {
		if len(a) == 1 {
			if typeof(a[0]) != "number" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "unixMilli requires a number",
					EXISTS:  true,
				}
			}
			msec, _ := a[0].(number).Float64()
			return ArTimeClass(time.UnixMilli(int64(msec))), ArErr{}
		}
		return nil, ArErr{
			TYPE:    "Runtime Error",
			message: "UnixMilli requires 1 argument",
			EXISTS:  true,
		}
	},
	},
	"unixMicro": builtinFunc{"unixMicro", func(a ...any) (any, ArErr) {
		if len(a) == 1 {
			if typeof(a[0]) != "number" {
				return nil, ArErr{
					TYPE:    "Runtime Error",
					message: "unixMicro requires a number",
					EXISTS:  true,
				}
			}
			usec, _ := a[0].(number).Float64()
			return ArTimeClass(time.UnixMicro(int64(usec))), ArErr{}
		}
		return nil, ArErr{
			TYPE:    "Runtime Error",
			message: "unixMicro requires 1 argument",
			EXISTS:  true,
		}
	},
	},
})