package dasigners_test

import (
	"fmt"
	"testing"

	"github.com/stretchr/testify/suite"

	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
	sdk "github.com/cosmos/cosmos-sdk/types"

	"github.com/0glabs/0g-chain/app"
	"github.com/0glabs/0g-chain/x/dasigners/v1"
	"github.com/0glabs/0g-chain/x/dasigners/v1/keeper"
	"github.com/0glabs/0g-chain/x/dasigners/v1/types"
)

type GenesisTestSuite struct {
	suite.Suite

	app       app.TestApp
	ctx       sdk.Context
	keeper    keeper.Keeper
	addresses []sdk.AccAddress
}

func (suite *GenesisTestSuite) SetupTest() {
	suite.app = app.NewTestApp()
	suite.keeper = suite.app.GetDASignersKeeper()
	suite.ctx = suite.app.NewContext(true, tmproto.Header{})
	_, suite.addresses = app.GeneratePrivKeyAddressPairs(10)
}

func (suite *GenesisTestSuite) TestInitGenesis() {
	// Most genesis validation tests are located in the types directory. The 'invalid' test cases are
	// randomly selected subset of those tests.
	testCases := []struct {
		name       string
		genState   *types.GenesisState
		expectPass bool
	}{
		{
			name:       "normal",
			genState:   types.DefaultGenesisState(),
			expectPass: true,
		},
	}
	for _, tc := range testCases {
		suite.Run(tc.name, func() {
			// Setup (note: suite.SetupTest is not run before every suite.Run)
			suite.app = app.NewTestApp()
			suite.keeper = suite.app.GetDASignersKeeper()
			suite.ctx = suite.app.NewContext(true, tmproto.Header{})

			// Run
			var exportedGenState *types.GenesisState
			run := func() {
				dasigners.InitGenesis(suite.ctx, suite.keeper, *tc.genState)
				exportedGenState = dasigners.ExportGenesis(suite.ctx, suite.keeper)
			}
			if tc.expectPass {
				suite.Require().NotPanics(run)
			} else {
				suite.Require().Panics(run)
			}

			// Check
			if tc.expectPass {
				fmt.Printf("expected: %v\n", tc.genState)
				expectedJson, err := suite.app.AppCodec().MarshalJSON(tc.genState)
				suite.Require().NoError(err)
				fmt.Printf("actual: %v\n", exportedGenState)
				actualJson, err := suite.app.AppCodec().MarshalJSON(exportedGenState)
				suite.Require().NoError(err)
				suite.Equal(expectedJson, actualJson)
			}
		})
	}
}

func TestGenesisTestSuite(t *testing.T) {
	suite.Run(t, new(GenesisTestSuite))
}