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repl.go
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repl.go
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package main
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/gbelintani/pokedex/internal/pokeapi"
"github.com/gbelintani/pokedex/internal/pokemon_master"
)
type command struct {
name string
description string
callback func(*config, ...string) error
}
type config struct {
pokeClient pokeapi.Client
next *string
previous *string
pokemonMaster pokemon_master.PokemonMaster
}
func startRepl(config *config) {
reader := bufio.NewScanner(os.Stdin)
commands := getCommands()
for {
fmt.Print("\nPokedex > ")
reader.Scan()
input := reader.Text()
words := strings.Split(input, " ")
if len(words) == 0 {
continue
}
var args []string
if len(words) > 1 {
args = words[1:]
}
command, ok := commands[words[0]]
if !ok {
fmt.Printf("Invalid Command %s", input)
continue
}
err := command.callback(config, args...)
if err != nil {
fmt.Println(fmt.Errorf("error on command %s: %w", input, err))
continue
}
}
}
func getCommands() map[string]command {
return map[string]command{
"help": {
name: "help",
description: "Displays commands avaiable",
callback: commandHelp,
},
"exit": {
name: "exit",
description: "Exit the application",
callback: commandExit,
},
"map": {
name: "map",
description: "Get next location areas",
callback: commandMap,
},
"mapb": {
name: "mapb",
description: "Get previous location areas",
callback: commandMapb,
},
"explore": {
name: "explore <location>",
description: "Get pokemon in location area",
callback: commandExplore,
},
"catch": {
name: "catch <name>",
description: "Catch pokemon",
callback: commandCatch,
},
"inspect": {
name: "inpect <name>",
description: "Inspect caught pokemon",
callback: commandInspect,
},
"pokedex": {
name: "pokedex",
description: "List all caught pokemons",
callback: commandPokedex,
},
}
}