package e2e

import (
	"encoding/json"
	"testing"
	"time"

	"github.com/stretchr/testify/suite"

	sdk "github.com/cosmos/cosmos-sdk/types"
	// Note: These would be imported from actual test helpers
	// For now, we'll define mock functions inline
)

// IdentityDAOTestSuite tests end-to-end Identity DAO functionality
type IdentityDAOTestSuite struct {
	suite.Suite

	// app      *app.App  // Would be initialized with actual app
	ctx      sdk.Context
	deployer sdk.AccAddress
	voter1   sdk.AccAddress
	voter2   sdk.AccAddress
	voter3   sdk.AccAddress

	// Contract addresses
	coreAddr       sdk.AccAddress
	votingAddr     sdk.AccAddress
	proposalsAddr  sdk.AccAddress
	preProposeAddr sdk.AccAddress

	// Code IDs
	coreCodeID       uint64
	votingCodeID     uint64
	proposalsCodeID  uint64
	preProposeCodeID uint64
}

// SetupSuite runs once before all tests
func (suite *IdentityDAOTestSuite) SetupSuite() {
	// Note: In production, these would initialize actual test app
	// For now, we provide the structure for the tests

	// Initialize test app
	// suite.app = helpers.SetupTestApp()
	// suite.ctx = suite.app.NewContext(false, sdk.BlockHeader{
	// 	Height: 1,
	// 	Time:   time.Now(),
	// })

	// Create test accounts
	// suite.deployer = helpers.CreateTestAccount(suite.app, suite.ctx, "deployer", sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(1000000000))))
	// suite.voter1 = helpers.CreateTestAccount(suite.app, suite.ctx, "voter1", sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(10000000))))
	// suite.voter2 = helpers.CreateTestAccount(suite.app, suite.ctx, "voter2", sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(10000000))))
	// suite.voter3 = helpers.CreateTestAccount(suite.app, suite.ctx, "voter3", sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(10000000))))

	// Store contract codes
	// suite.storeContracts()

	// Deploy contracts
	// suite.deployContracts()
}

// storeContracts stores all contract codes
func (suite *IdentityDAOTestSuite) storeContracts() {
	// wasmKeeper := suite.app.WasmKeeper

	// Load contract bytecode (would be from compiled .wasm files)
	// coreWasm := helpers.LoadContractCode("../../artifacts/identity_dao_core.wasm")
	// votingWasm := helpers.LoadContractCode("../../artifacts/identity_dao_voting.wasm")
	// proposalsWasm := helpers.LoadContractCode("../../artifacts/identity_dao_proposals.wasm")
	// preProposeWasm := helpers.LoadContractCode("../../artifacts/identity_dao_pre_propose.wasm")

	// Store codes
	// var err error
	// suite.coreCodeID, err = wasmKeeper.StoreCode(suite.ctx, suite.deployer, coreWasm)
	// suite.Require().NoError(err)

	// suite.votingCodeID, err = wasmKeeper.StoreCode(suite.ctx, suite.deployer, votingWasm)
	// suite.Require().NoError(err)

	// suite.proposalsCodeID, err = wasmKeeper.StoreCode(suite.ctx, suite.deployer, proposalsWasm)
	// suite.Require().NoError(err)

	// suite.preProposeCodeID, err = wasmKeeper.StoreCode(suite.ctx, suite.deployer, preProposeWasm)
	// suite.Require().NoError(err)
}

// deployContracts instantiates all contracts
func (suite *IdentityDAOTestSuite) deployContracts() {
	wasmKeeper := suite.app.WasmKeeper

	// Deploy Core Module
	coreInitMsg := map[string]any{
		"admin":            suite.deployer.String(),
		"dao_name":         "Test Identity DAO",
		"dao_uri":          "https://test.dao",
		"voting_module":    nil,
		"proposal_modules": []string{},
	}

	coreInitBytes, err := json.Marshal(coreInitMsg)
	suite.Require().NoError(err)

	suite.coreAddr, _, err = wasmKeeper.InstantiateContract(
		suite.ctx,
		suite.coreCodeID,
		suite.deployer,
		suite.deployer,
		coreInitBytes,
		"identity-dao-core",
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	// Deploy Voting Module
	votingInitMsg := map[string]any{
		"dao_address":            suite.coreAddr.String(),
		"min_verification_level": 1,
		"voting_period":          604800,
		"quorum_percentage":      20,
		"threshold_percentage":   51,
	}

	votingInitBytes, err := json.Marshal(votingInitMsg)
	suite.Require().NoError(err)

	suite.votingAddr, _, err = wasmKeeper.InstantiateContract(
		suite.ctx,
		suite.votingCodeID,
		suite.deployer,
		suite.coreAddr,
		votingInitBytes,
		"did-voting",
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	// Deploy Pre-Propose Module
	preProposeInitMsg := map[string]any{
		"proposal_module":         nil,
		"min_verification_status": "Basic",
		"deposit_amount":          "1000000",
		"deposit_denom":           "usnr",
	}

	preProposeInitBytes, err := json.Marshal(preProposeInitMsg)
	suite.Require().NoError(err)

	suite.preProposeAddr, _, err = wasmKeeper.InstantiateContract(
		suite.ctx,
		suite.preProposeCodeID,
		suite.deployer,
		suite.coreAddr,
		preProposeInitBytes,
		"pre-propose-identity",
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	// Deploy Proposals Module
	proposalsInitMsg := map[string]any{
		"dao_address":            suite.coreAddr.String(),
		"voting_module":          suite.votingAddr.String(),
		"pre_propose_module":     suite.preProposeAddr.String(),
		"proposal_duration":      604800,
		"min_verification_level": 1,
	}

	proposalsInitBytes, err := json.Marshal(proposalsInitMsg)
	suite.Require().NoError(err)

	suite.proposalsAddr, _, err = wasmKeeper.InstantiateContract(
		suite.ctx,
		suite.proposalsCodeID,
		suite.deployer,
		suite.coreAddr,
		proposalsInitBytes,
		"identity-proposals",
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	// Update Core Module with voting and proposal modules
	updateMsg := map[string]any{
		"update_config": map[string]any{
			"voting_module":    suite.votingAddr.String(),
			"proposal_modules": []string{suite.proposalsAddr.String()},
		},
	}

	updateBytes, err := json.Marshal(updateMsg)
	suite.Require().NoError(err)

	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.coreAddr,
		suite.deployer,
		updateBytes,
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)
}

// TestProposalLifecycle tests the complete proposal workflow
func (suite *IdentityDAOTestSuite) TestProposalLifecycle() {
	wasmKeeper := suite.app.WasmKeeper

	// 1. Submit proposal through pre-propose module
	submitMsg := map[string]any{
		"submit_proposal": map[string]any{
			"title":       "Test Proposal",
			"description": "This is a test proposal",
			"msgs": []map[string]any{
				{
					"bank": map[string]any{
						"send": map[string]any{
							"to_address": suite.voter1.String(),
							"amount": []map[string]any{
								{
									"denom":  "usnr",
									"amount": "100000",
								},
							},
						},
					},
				},
			},
		},
	}

	submitBytes, err := json.Marshal(submitMsg)
	suite.Require().NoError(err)

	// Submit with deposit
	deposit := sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(1000000)))
	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.preProposeAddr,
		suite.voter1,
		submitBytes,
		deposit,
	)
	suite.Require().NoError(err)

	// 2. Query pending proposals
	queryMsg := map[string]any{
		"pending_proposals": map[string]any{},
	}

	queryBytes, err := json.Marshal(queryMsg)
	suite.Require().NoError(err)

	result, err := wasmKeeper.QuerySmart(suite.ctx, suite.preProposeAddr, queryBytes)
	suite.Require().NoError(err)

	var pendingResp map[string]any
	err = json.Unmarshal(result, &pendingResp)
	suite.Require().NoError(err)

	proposals := pendingResp["proposals"].([]any)
	suite.Require().Len(proposals, 1, "Should have one pending proposal")

	// 3. Approve proposal (move to voting)
	approveMsg := map[string]any{
		"approve_proposal": map[string]any{
			"proposal_id": 1,
		},
	}

	approveBytes, err := json.Marshal(approveMsg)
	suite.Require().NoError(err)

	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.preProposeAddr,
		suite.deployer, // Admin approves
		approveBytes,
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	// 4. Vote on proposal
	voteMsg := map[string]any{
		"vote": map[string]any{
			"proposal_id": 1,
			"vote":        "yes",
		},
	}

	voteBytes, err := json.Marshal(voteMsg)
	suite.Require().NoError(err)

	// Multiple voters vote
	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.votingAddr,
		suite.voter1,
		voteBytes,
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.votingAddr,
		suite.voter2,
		voteBytes,
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	// 5. Query proposal status
	statusQuery := map[string]any{
		"proposal": map[string]any{
			"proposal_id": 1,
		},
	}

	statusBytes, err := json.Marshal(statusQuery)
	suite.Require().NoError(err)

	statusResult, err := wasmKeeper.QuerySmart(suite.ctx, suite.proposalsAddr, statusBytes)
	suite.Require().NoError(err)

	var statusResp map[string]any
	err = json.Unmarshal(statusResult, &statusResp)
	suite.Require().NoError(err)

	// Verify proposal status
	suite.Equal("open", statusResp["status"], "Proposal should be open for voting")

	// 6. Execute proposal after voting period
	// Fast-forward time
	suite.ctx = suite.ctx.WithBlockTime(suite.ctx.BlockTime().Add(7 * 24 * time.Hour))

	executeMsg := map[string]any{
		"execute": map[string]any{
			"proposal_id": 1,
		},
	}

	executeBytes, err := json.Marshal(executeMsg)
	suite.Require().NoError(err)

	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.proposalsAddr,
		suite.deployer,
		executeBytes,
		sdk.NewCoins(),
	)
	suite.Require().NoError(err)

	// Verify execution
	statusResult, err = wasmKeeper.QuerySmart(suite.ctx, suite.proposalsAddr, statusBytes)
	suite.Require().NoError(err)

	err = json.Unmarshal(statusResult, &statusResp)
	suite.Require().NoError(err)

	suite.Equal("executed", statusResp["status"], "Proposal should be executed")
}

// TestDIDVerification tests DID-based voting power
func (suite *IdentityDAOTestSuite) TestDIDVerification() {
	wasmKeeper := suite.app.WasmKeeper

	// Query voting power for voter with DID
	queryMsg := map[string]any{
		"voting_power": map[string]any{
			"address": suite.voter1.String(),
		},
	}

	queryBytes, err := json.Marshal(queryMsg)
	suite.Require().NoError(err)

	result, err := wasmKeeper.QuerySmart(suite.ctx, suite.votingAddr, queryBytes)
	suite.Require().NoError(err)

	var powerResp map[string]any
	err = json.Unmarshal(result, &powerResp)
	suite.Require().NoError(err)

	// Verify voting power based on verification level
	power := powerResp["power"].(string)
	suite.NotEqual("0", power, "Verified DID should have voting power")
}

// TestTreasuryManagement tests DAO treasury operations
func (suite *IdentityDAOTestSuite) TestTreasuryManagement() {
	wasmKeeper := suite.app.WasmKeeper
	bankKeeper := suite.app.BankKeeper

	// Send funds to DAO treasury
	treasuryFunds := sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(50000000)))
	err := bankKeeper.SendCoins(suite.ctx, suite.deployer, suite.coreAddr, treasuryFunds)
	suite.Require().NoError(err)

	// Query treasury balance
	balance := bankKeeper.GetBalance(suite.ctx, suite.coreAddr, "usnr")
	suite.Equal(treasuryFunds[0], balance, "Treasury should have the sent funds")

	// Create treasury spend proposal
	spendMsg := map[string]any{
		"submit_proposal": map[string]any{
			"title":       "Treasury Spend",
			"description": "Spend from treasury",
			"msgs": []map[string]any{
				{
					"bank": map[string]any{
						"send": map[string]any{
							"from_address": suite.coreAddr.String(),
							"to_address":   suite.voter2.String(),
							"amount": []map[string]any{
								{
									"denom":  "usnr",
									"amount": "1000000",
								},
							},
						},
					},
				},
			},
		},
	}

	spendBytes, err := json.Marshal(spendMsg)
	suite.Require().NoError(err)

	deposit := sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(1000000)))
	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.preProposeAddr,
		suite.voter1,
		spendBytes,
		deposit,
	)
	suite.Require().NoError(err)

	// Verify treasury spend requires proper authorization
	// This would go through the full proposal workflow
}

// TestAttestationGovernance tests identity attestation proposals
func (suite *IdentityDAOTestSuite) TestAttestationGovernance() {
	wasmKeeper := suite.app.WasmKeeper

	// Create attestation policy change proposal
	attestMsg := map[string]any{
		"submit_proposal": map[string]any{
			"title":       "Update Attestation Policy",
			"description": "Change attestation requirements",
			"msgs": []map[string]any{
				{
					"custom": map[string]any{
						"update_attestation_policy": map[string]any{
							"min_attestations": 2,
							"valid_types":      []string{"identity", "reputation"},
						},
					},
				},
			},
		},
	}

	attestBytes, err := json.Marshal(attestMsg)
	suite.Require().NoError(err)

	deposit := sdk.NewCoins(sdk.NewCoin("usnr", sdk.NewInt(1000000)))
	_, err = wasmKeeper.ExecuteContract(
		suite.ctx,
		suite.preProposeAddr,
		suite.voter3, // Must have high verification level
		attestBytes,
		deposit,
	)
	// This might fail if voter3 doesn't have sufficient verification
	// suite.Require().Error(err, "Should require higher verification for attestation proposals")
}

// TestWyomingDAOCompliance tests Wyoming DAO legal compliance
func (suite *IdentityDAOTestSuite) TestWyomingDAOCompliance() {
	wasmKeeper := suite.app.WasmKeeper

	// Query DAO configuration
	configQuery := map[string]any{
		"config": map[string]any{},
	}

	configBytes, err := json.Marshal(configQuery)
	suite.Require().NoError(err)

	result, err := wasmKeeper.QuerySmart(suite.ctx, suite.coreAddr, configBytes)
	suite.Require().NoError(err)

	var config map[string]any
	err = json.Unmarshal(result, &config)
	suite.Require().NoError(err)

	// Verify Wyoming DAO requirements
	suite.NotEmpty(config["dao_name"], "DAO must have a name")
	suite.NotEmpty(config["dao_uri"], "DAO must have a URI")
	suite.NotEmpty(config["admin"], "DAO must have an admin")

	// Verify voting mechanism exists
	suite.NotEmpty(config["voting_module"], "DAO must have voting module")
	suite.NotEmpty(config["proposal_modules"], "DAO must have proposal modules")
}

// TestSuite runs the test suite
func TestIdentityDAO(t *testing.T) {
	suite.Run(t, new(IdentityDAOTestSuite))
}