package commands

import (
	"io/ioutil"
	"path"

	"github.com/urfave/cli"

	cmn "github.com/tendermint/go-common"
)

var InitCmd = cli.Command{
	Name:      "init",
	Usage:     "Initialize a basecoin blockchain",
	ArgsUsage: "",
	Action: func(c *cli.Context) error {
		return cmdInit(c)
	},
	Flags: []cli.Flag{
		ChainIDFlag,
	},
}

func cmdInit(c *cli.Context) error {
	rootDir := BasecoinRoot("")

	cmn.EnsureDir(rootDir, 0777)

	// initalize basecoin
	genesisFile := path.Join(rootDir, "genesis.json")
	privValFile := path.Join(rootDir, "priv_validator.json")
	key1File := path.Join(rootDir, "key.json")
	key2File := path.Join(rootDir, "key2.json")

	if err := ioutil.WriteFile(genesisFile, []byte(genesisJSON), 0644); err != nil {
		return err
	}
	if err := ioutil.WriteFile(privValFile, []byte(privValJSON), 0400); err != nil {
		return err
	}
	if err := ioutil.WriteFile(key1File, []byte(key1JSON), 0400); err != nil {
		return err
	}
	if err := ioutil.WriteFile(key2File, []byte(key2JSON), 0400); err != nil {
		return err
	}

	log.Notice("Initialized Basecoin", "genesis", genesisFile, "key", key1File)

	return nil
}

const privValJSON = `{
	"address": "7A956FADD20D3A5B2375042B2959F8AB172A058F",
	"last_height": 0,
	"last_round": 0,
	"last_signature": null,
	"last_signbytes": "",
	"last_step": 0,
	"priv_key": [
		1,
		"D07ABE82A8B15559A983B2DB5D4842B2B6E4D6AF58B080005662F424F17D68C17B90EA87E7DC0C7145C8C48C08992BE271C7234134343E8A8E8008E617DE7B30"
	],
	"pub_key": [
		1,
		"7B90EA87E7DC0C7145C8C48C08992BE271C7234134343E8A8E8008E617DE7B30"
	]
}`

const genesisJSON = `{
  "app_hash": "",
  "chain_id": "test_chain_id",
  "genesis_time": "0001-01-01T00:00:00.000Z",
  "validators": [
    {
      "amount": 10,
      "name": "",
      "pub_key": [
	1,
	"7B90EA87E7DC0C7145C8C48C08992BE271C7234134343E8A8E8008E617DE7B30"
      ]
    }
  ],
  "app_options": {
    "accounts": [{
      "pub_key": {
        "type": "ed25519",
        "data": "619D3678599971ED29C7529DDD4DA537B97129893598A17C82E3AC9A8BA95279"
      },
      "coins": [
        {
          "denom": "mycoin",
          "amount": 9007199254740992
        }
      ]
    }]
  }
}`

const key1JSON = `{
	"address": "1B1BE55F969F54064628A63B9559E7C21C925165",
	"priv_key": {
		"type": "ed25519",
		"data": "C70D6934B4F55F1B7BC33B56B9CA8A2061384AFC19E91E44B40C4BBA182953D1619D3678599971ED29C7529DDD4DA537B97129893598A17C82E3AC9A8BA95279"
	},
	"pub_key": {
		"type": "ed25519",
		"data": "619D3678599971ED29C7529DDD4DA537B97129893598A17C82E3AC9A8BA95279"
	}
}`

const key2JSON = `{
	"address": "1DA7C74F9C219229FD54CC9F7386D5A3839F0090",
	"priv_key": {
		"type": "ed25519",
		"data": "34BAE9E65CE8245FAD035A0E3EED9401BDE8785FFB3199ACCF8F5B5DDF7486A8352195DA90CB0B90C24295B90AEBA25A5A71BC61BAB2FE2387241D439698B7B8"
	},
	"pub_key": {
		"type": "ed25519",
		"data": "352195DA90CB0B90C24295B90AEBA25A5A71BC61BAB2FE2387241D439698B7B8"
	}
}`