package main

import curl "./libs/odin-curl/"
import "core:encoding/json"
import "core:flags"
import "core:fmt"
import "core:mem"
import vmem "core:mem/virtual"
import "core:os"
import "core:strings"
import "core:time"

HOST :: "https://api.openweathermap.org/data/2.5/weather?q="

main :: proc() {
	arena: vmem.Arena
	arena_err := vmem.arena_init_growing(&arena)
	ensure(arena_err == nil) //make sure it doesnt fuck up
	arena_alloc := vmem.arena_allocator(&arena)
	defer vmem.arena_destroy(&arena) //clean up at end

	city := "" //city name e.g. London
	code := "" //code e.g. UK, JP, GE
	api_key := "" //openweather api key

	sb := strings.builder_make(allocator = arena_alloc)
	buf1: [64]u8
	buf2: [64]u8

	// parse os.args in this order
	// city -> code -> api_key
	program_name := os.args[0]
	if len(os.args) < 3 {
		print_usage()
	} else if len(os.args) > 4 {
		print_usage()
	}
	city = os.args[1]
	code = os.args[2]
	api_key = os.args[3]

	strings.write_string(&sb, HOST)
	strings.write_string(&sb, city)
	strings.write_string(&sb, ",")
	strings.write_string(&sb, code)
	strings.write_string(&sb, "&units=metric")
	strings.write_string(&sb, "&appid=")
	strings.write_string(&sb, api_key)

	full_url := strings.to_string(sb)
	data := curl_web(full_url)

	weather: WeatherResponse
	unmarshal_err := json.unmarshal_any(data, &weather)
	if unmarshal_err != nil {
		fmt.eprintln("Failed to unmarshal the file!")
		return
	}

	weather_location := weather.name
	weather_code := weather.country

	weather_resp := weather.weather[0].main
	weather_resp_detail := weather.weather[0].description

	temperature := weather.temp
	feels_like_temp := weather.feels_like
	temp_min := weather.temp_min
	temp_max := weather.temp_max
	sunset_time := time.to_string_hms_12(time.unix(weather.sunset, 0), buf1[:])
	sunrise_time := time.to_string_hms_12(time.unix(weather.sunrise, 0), buf2[:])

	fmt.println("Location:", weather_location)
	fmt.println("Country Code:", weather_code)
	fmt.println("Weather:", weather_resp)
	fmt.println("Weather Detail:", weather_resp_detail)
	//fmt.println("Weather Icon:", weather_icon)
	fmt.println("Temperature:", temperature)
	fmt.println("Feels Like Temperature:", feels_like_temp)
	fmt.println("Min Temperature:", temp_min)
	fmt.println("Max Temperature:", temp_max)
	fmt.println("Sunset Time:", sunset_time)
	fmt.println("Sunrise Time:", sunrise_time)

}