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use super::ExplorerVerifier;
use crate::jormungandr::explorer::data::vote_plan_by_id::{
    self, VotePlanByIdVotePlanProposalsTally::*,
    VotePlanByIdVotePlanProposalsVotesEdgesNodePayload::*, *,
};
use chain_impl_mockchain::{testing::data::Wallet, vote, vote::Choice};
use jormungandr_lib::interfaces::{PrivateTallyState, Tally, VotePlanStatus};
use std::collections::HashMap;

impl ExplorerVerifier {
    pub fn assert_vote_plan_by_id(
        explorer_vote_plan: VotePlanByIdVotePlan,
        vote_plan_status: VotePlanStatus,
        proposal_votes: HashMap<String, Vec<(Wallet, Choice)>>,
    ) {
        assert_eq!(explorer_vote_plan.id, vote_plan_status.id.to_string());
        assert_eq!(
            explorer_vote_plan.vote_start.epoch.id,
            vote_plan_status.vote_start.epoch().to_string()
        );
        assert_eq!(
            explorer_vote_plan.vote_start.slot,
            vote_plan_status.vote_start.slot().to_string()
        );
        assert_eq!(
            explorer_vote_plan.vote_end.epoch.id,
            vote_plan_status.vote_end.epoch().to_string()
        );
        assert_eq!(
            explorer_vote_plan.vote_end.slot,
            vote_plan_status.vote_end.slot().to_string()
        );
        assert_eq!(
            explorer_vote_plan.committee_end.epoch.id,
            vote_plan_status.committee_end.epoch().to_string()
        );
        assert_eq!(
            explorer_vote_plan.committee_end.slot,
            vote_plan_status.committee_end.slot().to_string()
        );
        match explorer_vote_plan.payload_type {
            vote_plan_by_id::PayloadType::PUBLIC => assert!(matches!(
                vote_plan_status.payload,
                vote::PayloadType::Public
            )),
            vote_plan_by_id::PayloadType::PRIVATE => assert!(matches!(
                vote_plan_status.payload,
                vote::PayloadType::Private
            )),
            vote_plan_by_id::PayloadType::Other(_) => panic!("Wrong payload type"),
        }

        assert_eq!(
            explorer_vote_plan.proposals.len(),
            vote_plan_status.proposals.len()
        );
        for explorer_proposal in explorer_vote_plan.proposals {
            let vote_proposal_status =
                match vote_plan_status.proposals.iter().position(|proposal| {
                    explorer_proposal.proposal_id == proposal.proposal_id.to_string()
                }) {
                    Some(index) => vote_plan_status.proposals[index].clone(),
                    None => panic!("Proposal id not found"),
                };
            assert_eq!(
                vote_proposal_status.options.start,
                explorer_proposal.options.start as u8
            );
            assert_eq!(
                vote_proposal_status.options.end,
                explorer_proposal.options.end as u8
            );
            match &vote_proposal_status.tally {
                Tally::Public { result } => {
                    assert!(explorer_proposal.tally.is_some());
                    if let TallyPublicStatus(explorer_tally_status) =
                        explorer_proposal.tally.unwrap()
                    {
                        assert_eq!(result.results.len(), explorer_tally_status.results.len());
                        let matching_results = result
                            .results
                            .iter()
                            .zip(explorer_tally_status.results.iter())
                            .filter(|&(a, b)| &a.to_string() == b)
                            .count();
                        assert_eq!(matching_results, result.results.len());
                        assert_eq!(result.options.len(), explorer_tally_status.results.len());
                        assert_eq!(
                            result.options.start,
                            explorer_tally_status.options.start as u8
                        );
                        assert_eq!(result.options.end, explorer_tally_status.options.end as u8);
                    } else {
                        panic!("Wrong tally status. Expected Public")
                    }
                }
                Tally::Private { state } => {
                    assert!(explorer_proposal.tally.is_some());
                    if let TallyPrivateStatus(explorer_tally_status) =
                        explorer_proposal.tally.unwrap()
                    {
                        match state {
                            PrivateTallyState::Encrypted { encrypted_tally: _ } => {
                                assert!(explorer_tally_status.results.is_some())
                            }
                            PrivateTallyState::Decrypted { result } => {
                                let explorer_tally_result = explorer_tally_status.results.unwrap();
                                assert_eq!(result.results.len(), explorer_tally_result.len());
                                let matching_results = result
                                    .results
                                    .iter()
                                    .zip(explorer_tally_result.iter())
                                    .filter(|&(a, b)| &a.to_string() == b)
                                    .count();
                                assert_eq!(matching_results, result.results.len());
                                assert_eq!(result.options.len(), explorer_tally_result.len());
                                assert_eq!(
                                    result.options.start,
                                    explorer_tally_status.options.start as u8
                                );
                                assert_eq!(
                                    result.options.end,
                                    explorer_tally_status.options.end as u8
                                );
                            }
                        }
                    } else {
                        panic!("Wrong tally status. Expected Private")
                    }
                }
            }
            assert_eq!(
                vote_proposal_status.votes_cast,
                explorer_proposal.votes.total_count as usize
            );
            if vote_proposal_status.votes_cast == 0 {
                assert!(explorer_proposal.votes.edges.is_empty());
            } else {
                let explorer_votes = explorer_proposal.votes.edges;
                assert_eq!(explorer_votes.len(), vote_proposal_status.votes_cast);
                let votes = proposal_votes
                    .get(&vote_proposal_status.proposal_id.to_string())
                    .unwrap();
                for vote in votes {
                    for explorer_vote in &explorer_votes {
                        if vote.0.public_key().to_string() == explorer_vote.node.address.id {
                            match &explorer_vote.node.payload {
                                VotePayloadPublicStatus(choice) => {
                                    assert_eq!(choice.choice as u8, vote.1.as_byte())
                                }
                                VotePayloadPrivateStatus(_) => todo!(),
                            }
                        }
                    }
                }
            }
        }
    }
}