use axum::{
    Json,
    extract::{Extension, State},
    http::StatusCode,
    response::Response,
};
use serde_json::{Value, json};
use shared_contracts::runtime::{
    PROFILE_WALLET_LEDGER_SOURCE_TYPE_SNAPSHOT_SYNC, ProfileDashboardSummaryResponse,
    ProfilePlayStatsResponse, ProfilePlayedWorkSummaryResponse, ProfileWalletLedgerEntryResponse,
    ProfileWalletLedgerResponse,
};
use spacetime_client::SpacetimeClientError;

use crate::{
    api_response::json_success_body, auth::AuthenticatedAccessToken, http_error::AppError,
    request_context::RequestContext, state::AppState,
};

pub async fn get_profile_dashboard(
    State(state): State<AppState>,
    Extension(request_context): Extension<RequestContext>,
    Extension(authenticated): Extension<AuthenticatedAccessToken>,
) -> Result<Json<Value>, Response> {
    let user_id = authenticated.claims().user_id().to_string();
    let record = state
        .spacetime_client()
        .get_profile_dashboard(user_id)
        .await
        .map_err(|error| {
            runtime_profile_error_response(
                &request_context,
                map_runtime_profile_client_error(error),
            )
        })?;

    Ok(json_success_body(
        Some(&request_context),
        ProfileDashboardSummaryResponse {
            wallet_balance: record.wallet_balance,
            total_play_time_ms: record.total_play_time_ms,
            played_world_count: record.played_world_count,
            updated_at: record.updated_at,
        },
    ))
}

pub async fn get_profile_wallet_ledger(
    State(state): State<AppState>,
    Extension(request_context): Extension<RequestContext>,
    Extension(authenticated): Extension<AuthenticatedAccessToken>,
) -> Result<Json<Value>, Response> {
    let user_id = authenticated.claims().user_id().to_string();
    let entries = state
        .spacetime_client()
        .list_profile_wallet_ledger(user_id)
        .await
        .map_err(|error| {
            runtime_profile_error_response(
                &request_context,
                map_runtime_profile_client_error(error),
            )
        })?;

    Ok(json_success_body(
        Some(&request_context),
        ProfileWalletLedgerResponse {
            entries: entries
                .into_iter()
                .map(|entry| ProfileWalletLedgerEntryResponse {
                    id: entry.wallet_ledger_id,
                    amount_delta: entry.amount_delta,
                    balance_after: entry.balance_after,
                    source_type: match entry.source_type {
                        module_runtime::RuntimeProfileWalletLedgerSourceType::SnapshotSync => {
                            PROFILE_WALLET_LEDGER_SOURCE_TYPE_SNAPSHOT_SYNC.to_string()
                        }
                    },
                    created_at: entry.created_at,
                })
                .collect(),
        },
    ))
}

pub async fn get_profile_play_stats(
    State(state): State<AppState>,
    Extension(request_context): Extension<RequestContext>,
    Extension(authenticated): Extension<AuthenticatedAccessToken>,
) -> Result<Json<Value>, Response> {
    let user_id = authenticated.claims().user_id().to_string();
    let record = state
        .spacetime_client()
        .get_profile_play_stats(user_id)
        .await
        .map_err(|error| {
            runtime_profile_error_response(
                &request_context,
                map_runtime_profile_client_error(error),
            )
        })?;

    Ok(json_success_body(
        Some(&request_context),
        ProfilePlayStatsResponse {
            total_play_time_ms: record.total_play_time_ms,
            played_works: record
                .played_works
                .into_iter()
                .map(|entry| ProfilePlayedWorkSummaryResponse {
                    world_key: entry.world_key,
                    owner_user_id: entry.owner_user_id,
                    profile_id: entry.profile_id,
                    world_type: entry.world_type,
                    world_title: entry.world_title,
                    world_subtitle: entry.world_subtitle,
                    first_played_at: entry.first_played_at,
                    last_played_at: entry.last_played_at,
                    last_observed_play_time_ms: entry.last_observed_play_time_ms,
                })
                .collect(),
            updated_at: record.updated_at,
        },
    ))
}

fn map_runtime_profile_client_error(error: SpacetimeClientError) -> AppError {
    let (status, provider) = match error {
        SpacetimeClientError::Runtime(_) => (StatusCode::BAD_REQUEST, "runtime-profile"),
        _ => (StatusCode::BAD_GATEWAY, "spacetimedb"),
    };

    AppError::from_status(status).with_details(json!({
        "provider": provider,
        "message": error.to_string(),
    }))
}

fn runtime_profile_error_response(request_context: &RequestContext, error: AppError) -> Response {
    error.into_response_with_context(Some(request_context))
}

#[cfg(test)]
mod tests {
    use axum::{
        body::Body,
        http::{Request, StatusCode},
    };
    use http_body_util::BodyExt;
    use platform_auth::{
        AccessTokenClaims, AccessTokenClaimsInput, AuthProvider, BindingStatus, sign_access_token,
    };
    use serde_json::Value;
    use time::OffsetDateTime;
    use tower::ServiceExt;

    use crate::{app::build_router, config::AppConfig, state::AppState};

    #[tokio::test]
    async fn profile_dashboard_requires_authentication() {
        let app = build_router(AppState::new(AppConfig::default()).expect("state should build"));

        let response = app
            .oneshot(
                Request::builder()
                    .method("GET")
                    .uri("/api/runtime/profile/dashboard")
                    .body(Body::empty())
                    .expect("request should build"),
            )
            .await
            .expect("request should succeed");

        assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
    }

    #[tokio::test]
    async fn profile_wallet_ledger_requires_authentication() {
        let app = build_router(AppState::new(AppConfig::default()).expect("state should build"));

        let response = app
            .oneshot(
                Request::builder()
                    .method("GET")
                    .uri("/api/runtime/profile/wallet-ledger")
                    .body(Body::empty())
                    .expect("request should build"),
            )
            .await
            .expect("request should succeed");

        assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
    }

    #[tokio::test]
    async fn profile_play_stats_requires_authentication() {
        let app = build_router(AppState::new(AppConfig::default()).expect("state should build"));

        let response = app
            .oneshot(
                Request::builder()
                    .method("GET")
                    .uri("/api/runtime/profile/play-stats")
                    .body(Body::empty())
                    .expect("request should build"),
            )
            .await
            .expect("request should succeed");

        assert_eq!(response.status(), StatusCode::UNAUTHORIZED);
    }

    #[tokio::test]
    async fn profile_dashboard_compat_route_matches_main_route_error_shape() {
        assert_compat_route_matches_main_route_error_shape(
            "/api/runtime/profile/dashboard",
            "/api/profile/dashboard",
        )
        .await;
    }

    #[tokio::test]
    async fn profile_wallet_ledger_compat_route_matches_main_route_error_shape() {
        assert_compat_route_matches_main_route_error_shape(
            "/api/runtime/profile/wallet-ledger",
            "/api/profile/wallet-ledger",
        )
        .await;
    }

    #[tokio::test]
    async fn profile_play_stats_compat_route_matches_main_route_error_shape() {
        assert_compat_route_matches_main_route_error_shape(
            "/api/runtime/profile/play-stats",
            "/api/profile/play-stats",
        )
        .await;
    }

    async fn assert_compat_route_matches_main_route_error_shape(
        main_route: &str,
        compat_route: &str,
    ) {
        let state = seed_authenticated_state().await;
        let token = issue_access_token(&state);
        let app = build_router(state);

        let main_response = app
            .clone()
            .oneshot(
                Request::builder()
                    .method("GET")
                    .uri(main_route)
                    .header("authorization", format!("Bearer {token}"))
                    .header("x-genarrative-response-envelope", "v1")
                    .body(Body::empty())
                    .expect("request should build"),
            )
            .await
            .expect("request should succeed");

        let compat_response = app
            .oneshot(
                Request::builder()
                    .method("GET")
                    .uri(compat_route)
                    .header("authorization", format!("Bearer {token}"))
                    .header("x-genarrative-response-envelope", "v1")
                    .body(Body::empty())
                    .expect("request should build"),
            )
            .await
            .expect("request should succeed");

        assert_eq!(main_response.status(), compat_response.status());

        let main_body = main_response
            .into_body()
            .collect()
            .await
            .expect("body should collect")
            .to_bytes();
        let compat_body = compat_response
            .into_body()
            .collect()
            .await
            .expect("body should collect")
            .to_bytes();
        let main_payload: Value =
            serde_json::from_slice(&main_body).expect("response body should be valid json");
        let compat_payload: Value =
            serde_json::from_slice(&compat_body).expect("response body should be valid json");

        assert_eq!(
            main_payload["error"]["details"]["provider"],
            compat_payload["error"]["details"]["provider"]
        );
    }

    async fn seed_authenticated_state() -> AppState {
        let state = AppState::new(AppConfig::default()).expect("state should build");
        state
            .password_entry_service()
            .execute(module_auth::PasswordEntryInput {
                username: "runtime_profile_user".to_string(),
                password: "secret123".to_string(),
            })
            .await
            .expect("seed login should succeed");
        state
    }

    fn issue_access_token(state: &AppState) -> String {
        let claims = AccessTokenClaims::from_input(
            AccessTokenClaimsInput {
                user_id: "user_00000001".to_string(),
                session_id: "sess_runtime_profile".to_string(),
                provider: AuthProvider::Password,
                roles: vec!["user".to_string()],
                token_version: 1,
                phone_verified: true,
                binding_status: BindingStatus::Active,
                display_name: Some("资料页用户".to_string()),
            },
            state.auth_jwt_config(),
            OffsetDateTime::now_utc(),
        )
        .expect("claims should build");

        sign_access_token(&claims, state.auth_jwt_config()).expect("token should sign")
    }
}