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repl.go
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repl.go
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package main
import (
"bufio"
"fmt"
"os"
"strings"
"time"
"github.com/macrespo42/pokedexcli/internal/pokeapi"
"github.com/macrespo42/pokedexcli/internal/pokecache"
)
type config struct {
NextUrl string
PreviousUrl string
Client pokeapi.LocationArea
cache pokecache.Cache
pokedex map[string]pokeapi.Pokemon
}
type cliCommand struct {
name string
description string
callback func(cfg *config, area string) error
}
func getCommandList() map[string]cliCommand {
return map[string]cliCommand{
"help": {
name: "help",
description: "Displays a help message",
callback: commandHelp,
},
"exit": {
name: "exit",
description: "Exit the Pokedex",
callback: commandExit,
},
"map": {
name: "map",
description: "Displays the names of 20 location areas, each call displays 20 next maps.",
callback: commandMap,
},
"mapb": {
name: "mapb",
description: "Displays the names of 20 location areas, each call displays 20 previous maps.",
callback: commandMapb,
},
"explore": {
name: "explore",
description: "Displays pokemon who lives in the specified area",
callback: commandExplore,
},
"catch": {
name: "catch",
description: "Try to catch the given pokemon",
callback: commandCatch,
},
"inspect": {
name: "inspect",
description: "Inspect a catched pokemon",
callback: commandInspect,
},
"pokedex": {
name: "pokedex",
description: "Inspect all catched pokemon",
callback: commandPokedex,
},
}
}
func startREPL() {
commandList := getCommandList()
cfg := &config{
NextUrl: "https://pokeapi.co/api/v2/location-area/",
PreviousUrl: "https://pokeapi.co/api/v2/location-area/",
cache: pokecache.NewCache(5 * time.Second),
pokedex: make(map[string]pokeapi.Pokemon),
}
for {
fmt.Print("pokedex > ")
scanner := bufio.NewScanner(os.Stdin)
scanner.Scan()
rawInput := scanner.Text()
args := strings.Split(rawInput, " ")
command, exist := commandList[args[0]]
if !exist {
fmt.Println(rawInput, "command not found")
fmt.Println("type 'help' to get a list of available commands")
} else {
var arg string
if len(args) > 1 {
arg = args[1]
}
command.callback(cfg, arg)
}
}
}