package group

import (
	"github.com/cosmos/gogoproto/proto"
	gogoprotoany "github.com/cosmos/gogoproto/types/any"

	"github.com/cosmos/cosmos-sdk/codec/types"
	sdk "github.com/cosmos/cosmos-sdk/types"
	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
	"github.com/cosmos/cosmos-sdk/types/tx"
)

var (
	_ sdk.Msg = &MsgCreateGroup{}
	_ sdk.Msg = &MsgUpdateGroupAdmin{}
	_ sdk.Msg = &MsgUpdateGroupMetadata{}
	_ sdk.Msg = &MsgUpdateGroupMembers{}
	_ sdk.Msg = &MsgUpdateGroupMembers{}
	_ sdk.Msg = &MsgCreateGroupWithPolicy{}
	_ sdk.Msg = &MsgCreateGroupPolicy{}
	_ sdk.Msg = &MsgUpdateGroupPolicyAdmin{}
	_ sdk.Msg = &MsgUpdateGroupPolicyDecisionPolicy{}
	_ sdk.Msg = &MsgUpdateGroupPolicyMetadata{}
	_ sdk.Msg = &MsgLeaveGroup{}
	_ sdk.Msg = &MsgExec{}
	_ sdk.Msg = &MsgVote{}
	_ sdk.Msg = &MsgWithdrawProposal{}
	_ sdk.Msg = &MsgSubmitProposal{}
	_ sdk.Msg = &MsgCreateGroupPolicy{}

	_ gogoprotoany.UnpackInterfacesMessage = MsgCreateGroupPolicy{}
	_ gogoprotoany.UnpackInterfacesMessage = MsgUpdateGroupPolicyDecisionPolicy{}
	_ gogoprotoany.UnpackInterfacesMessage = MsgCreateGroupWithPolicy{}
)

// GetGroupID gets the group id of the MsgUpdateGroupMetadata.
func (m *MsgUpdateGroupMetadata) GetGroupID() uint64 {
	return m.GroupId
}

// GetGroupID gets the group id of the MsgUpdateGroupMembers.
func (m *MsgUpdateGroupMembers) GetGroupID() uint64 {
	return m.GroupId
}

// GetGroupID gets the group id of the MsgUpdateGroupAdmin.
func (m *MsgUpdateGroupAdmin) GetGroupID() uint64 {
	return m.GroupId
}

// NewMsgCreateGroupWithPolicy creates a new MsgCreateGroupWithPolicy.
func NewMsgCreateGroupWithPolicy(admin string, members []MemberRequest, groupMetadata, groupPolicyMetadata string, groupPolicyAsAdmin bool, decisionPolicy DecisionPolicy) (*MsgCreateGroupWithPolicy, error) {
	m := &MsgCreateGroupWithPolicy{
		Admin:               admin,
		Members:             members,
		GroupMetadata:       groupMetadata,
		GroupPolicyMetadata: groupPolicyMetadata,
		GroupPolicyAsAdmin:  groupPolicyAsAdmin,
	}
	err := m.SetDecisionPolicy(decisionPolicy)
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetDecisionPolicy gets the decision policy of MsgCreateGroupWithPolicy.
func (m *MsgCreateGroupWithPolicy) GetDecisionPolicy() (DecisionPolicy, error) {
	decisionPolicy, ok := m.DecisionPolicy.GetCachedValue().(DecisionPolicy)
	if !ok {
		return nil, sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (DecisionPolicy)(nil), m.DecisionPolicy.GetCachedValue())
	}
	return decisionPolicy, nil
}

// SetDecisionPolicy sets the decision policy for MsgCreateGroupWithPolicy.
func (m *MsgCreateGroupWithPolicy) SetDecisionPolicy(decisionPolicy DecisionPolicy) error {
	any, err := types.NewAnyWithValue(decisionPolicy)
	if err != nil {
		return err
	}
	m.DecisionPolicy = any
	return nil
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgCreateGroupWithPolicy) UnpackInterfaces(unpacker gogoprotoany.AnyUnpacker) error {
	var decisionPolicy DecisionPolicy
	return unpacker.UnpackAny(m.DecisionPolicy, &decisionPolicy)
}

// NewMsgUpdateGroupPolicyDecisionPolicy creates a new MsgUpdateGroupPolicyDecisionPolicy.
func NewMsgUpdateGroupPolicyDecisionPolicy(admin, address string, decisionPolicy DecisionPolicy) (*MsgUpdateGroupPolicyDecisionPolicy, error) {
	m := &MsgUpdateGroupPolicyDecisionPolicy{
		Admin:              admin,
		GroupPolicyAddress: address,
	}
	err := m.SetDecisionPolicy(decisionPolicy)
	if err != nil {
		return nil, err
	}
	return m, nil
}

// SetDecisionPolicy sets the decision policy for MsgUpdateGroupPolicyDecisionPolicy.
func (m *MsgUpdateGroupPolicyDecisionPolicy) SetDecisionPolicy(decisionPolicy DecisionPolicy) error {
	msg, ok := decisionPolicy.(proto.Message)
	if !ok {
		return sdkerrors.ErrInvalidType.Wrapf("can't proto marshal %T", msg)
	}
	any, err := types.NewAnyWithValue(msg)
	if err != nil {
		return err
	}
	m.DecisionPolicy = any
	return nil
}

// GetDecisionPolicy gets the decision policy of MsgUpdateGroupPolicyDecisionPolicy.
func (m *MsgUpdateGroupPolicyDecisionPolicy) GetDecisionPolicy() (DecisionPolicy, error) {
	decisionPolicy, ok := m.DecisionPolicy.GetCachedValue().(DecisionPolicy)
	if !ok {
		return nil, sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (DecisionPolicy)(nil), m.DecisionPolicy.GetCachedValue())
	}

	return decisionPolicy, nil
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgUpdateGroupPolicyDecisionPolicy) UnpackInterfaces(unpacker gogoprotoany.AnyUnpacker) error {
	var decisionPolicy DecisionPolicy
	return unpacker.UnpackAny(m.DecisionPolicy, &decisionPolicy)
}

// NewMsgCreateGroupPolicy creates a new MsgCreateGroupPolicy.
func NewMsgCreateGroupPolicy(admin string, group uint64, metadata string, decisionPolicy DecisionPolicy) (*MsgCreateGroupPolicy, error) {
	m := &MsgCreateGroupPolicy{
		Admin:    admin,
		GroupId:  group,
		Metadata: metadata,
	}
	err := m.SetDecisionPolicy(decisionPolicy)
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetAdmin gets the admin of MsgCreateGroupPolicy.
func (m *MsgCreateGroupPolicy) GetAdmin() string {
	return m.Admin
}

// GetGroupID gets the group id of MsgCreateGroupPolicy.
func (m *MsgCreateGroupPolicy) GetGroupID() uint64 {
	return m.GroupId
}

// GetMetadata gets the metadata of MsgCreateGroupPolicy.
func (m *MsgCreateGroupPolicy) GetMetadata() string {
	return m.Metadata
}

// GetDecisionPolicy gets the decision policy of MsgCreateGroupPolicy.
func (m *MsgCreateGroupPolicy) GetDecisionPolicy() (DecisionPolicy, error) {
	decisionPolicy, ok := m.DecisionPolicy.GetCachedValue().(DecisionPolicy)
	if !ok {
		return nil, sdkerrors.ErrInvalidType.Wrapf("expected %T, got %T", (DecisionPolicy)(nil), m.DecisionPolicy.GetCachedValue())
	}
	return decisionPolicy, nil
}

// SetDecisionPolicy sets the decision policy of MsgCreateGroupPolicy.
func (m *MsgCreateGroupPolicy) SetDecisionPolicy(decisionPolicy DecisionPolicy) error {
	any, err := types.NewAnyWithValue(decisionPolicy)
	if err != nil {
		return err
	}
	m.DecisionPolicy = any
	return nil
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgCreateGroupPolicy) UnpackInterfaces(unpacker gogoprotoany.AnyUnpacker) error {
	var decisionPolicy DecisionPolicy
	return unpacker.UnpackAny(m.DecisionPolicy, &decisionPolicy)
}

// NewMsgSubmitProposal creates a new MsgSubmitProposal.
func NewMsgSubmitProposal(address string, proposers []string, msgs []sdk.Msg, metadata string, exec Exec, title, summary string) (*MsgSubmitProposal, error) {
	m := &MsgSubmitProposal{
		GroupPolicyAddress: address,
		Proposers:          proposers,
		Metadata:           metadata,
		Exec:               exec,
		Title:              title,
		Summary:            summary,
	}
	err := m.SetMsgs(msgs)
	if err != nil {
		return nil, err
	}
	return m, nil
}

// SetMsgs packs msgs into Any's
func (m *MsgSubmitProposal) SetMsgs(msgs []sdk.Msg) error {
	anys, err := tx.SetMsgs(msgs)
	if err != nil {
		return err
	}
	m.Messages = anys
	return nil
}

// GetMsgs unpacks m.Messages Any's into sdk.Msg's
func (m MsgSubmitProposal) GetMsgs() ([]sdk.Msg, error) {
	return tx.GetMsgs(m.Messages, "proposal")
}

// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
func (m MsgSubmitProposal) UnpackInterfaces(unpacker gogoprotoany.AnyUnpacker) error {
	return tx.UnpackInterfaces(unpacker, m.Messages)
}