use std::sync::Arc;

use aether_crypto::{encrypt_python_fernet_plaintext, DEVELOPMENT_ENCRYPTION_KEY};
use aether_data::repository::auth::{
    InMemoryAuthApiKeySnapshotRepository, StoredAuthApiKeySnapshot,
};
use aether_data::repository::billing::InMemoryBillingReadRepository;
use aether_data::repository::candidate_selection::InMemoryMinimalCandidateSelectionReadRepository;
use aether_data::repository::candidates::InMemoryRequestCandidateRepository;
use aether_data::repository::provider_catalog::InMemoryProviderCatalogReadRepository;
use aether_data::repository::usage::InMemoryUsageReadRepository;
use aether_data::repository::wallet::{
    InMemoryWalletRepository, StoredWalletSnapshot, WalletLookupKey, WalletReadRepository,
};
use aether_data_contracts::repository::billing::StoredBillingModelContext;
use aether_data_contracts::repository::candidate_selection::{
    StoredMinimalCandidateSelectionRow, StoredProviderModelMapping,
};
use aether_data_contracts::repository::candidates::{
    RequestCandidateReadRepository, RequestCandidateStatus,
};
use aether_data_contracts::repository::provider_catalog::{
    StoredProviderCatalogEndpoint, StoredProviderCatalogKey, StoredProviderCatalogProvider,
};
use aether_data_contracts::repository::usage::UsageReadRepository;
use serde_json::json;
use sha2::{Digest, Sha256};

use super::{
    any, build_router_with_state, build_state_with_execution_runtime_override, send_request,
    start_server, strip_sse_keepalive_comments, Body, HeaderValue, Json, Mutex, Request, Response,
    Router, StatusCode, UsageRuntimeConfig, TRACE_ID_HEADER,
};
use crate::data::GatewayDataState;

pub(super) fn hash_api_key(value: &str) -> String {
    let mut hasher = Sha256::new();
    hasher.update(value.as_bytes());
    format!("{:x}", hasher.finalize())
}

pub(super) fn sample_local_openai_auth_snapshot(
    api_key_id: &str,
    user_id: &str,
) -> StoredAuthApiKeySnapshot {
    StoredAuthApiKeySnapshot::new(
        user_id.to_string(),
        "alice".to_string(),
        Some("alice@example.com".to_string()),
        "user".to_string(),
        "local".to_string(),
        true,
        false,
        Some(serde_json::json!(["openai"])),
        Some(serde_json::json!(["openai:chat"])),
        Some(serde_json::json!(["gpt-5"])),
        api_key_id.to_string(),
        Some("default".to_string()),
        true,
        false,
        false,
        Some(60),
        Some(5),
        Some(4_102_444_800),
        Some(serde_json::json!(["openai"])),
        Some(serde_json::json!(["openai:chat"])),
        Some(serde_json::json!(["gpt-5"])),
    )
    .expect("auth snapshot should build")
}

pub(super) fn sample_local_openai_candidate_row() -> StoredMinimalCandidateSelectionRow {
    StoredMinimalCandidateSelectionRow {
        provider_id: "provider-openai-usage-local-1".to_string(),
        provider_name: "openai".to_string(),
        provider_type: "custom".to_string(),
        provider_priority: 10,
        provider_is_active: true,
        endpoint_id: "endpoint-openai-usage-local-1".to_string(),
        endpoint_api_format: "openai:chat".to_string(),
        endpoint_api_family: Some("openai".to_string()),
        endpoint_kind: Some("chat".to_string()),
        endpoint_is_active: true,
        key_id: "key-openai-usage-local-1".to_string(),
        key_name: "prod".to_string(),
        key_auth_type: "api_key".to_string(),
        key_is_active: true,
        key_api_formats: Some(vec!["openai:chat".to_string()]),
        key_allowed_models: None,
        key_capabilities: None,
        key_internal_priority: 5,
        key_global_priority_by_format: Some(serde_json::json!({"openai:chat": 1})),
        model_id: "model-openai-usage-local-1".to_string(),
        global_model_id: "global-model-openai-usage-local-1".to_string(),
        global_model_name: "gpt-5".to_string(),
        global_model_mappings: None,
        global_model_supports_streaming: Some(true),
        model_provider_model_name: "gpt-5-upstream".to_string(),
        model_provider_model_mappings: Some(vec![StoredProviderModelMapping {
            name: "gpt-5-upstream".to_string(),
            priority: 1,
            api_formats: Some(vec!["openai:chat".to_string()]),
            endpoint_ids: None,
            operations: None,
        }]),
        model_supports_streaming: Some(true),
        model_is_active: true,
        model_is_available: true,
    }
}

pub(super) fn sample_local_openai_provider() -> StoredProviderCatalogProvider {
    StoredProviderCatalogProvider::new(
        "provider-openai-usage-local-1".to_string(),
        "openai".to_string(),
        Some("https://example.com".to_string()),
        "custom".to_string(),
    )
    .expect("provider should build")
    .with_transport_fields(
        true,
        false,
        false,
        None,
        Some(2),
        None,
        Some(20.0),
        None,
        None,
    )
}

pub(super) fn sample_local_openai_endpoint() -> StoredProviderCatalogEndpoint {
    StoredProviderCatalogEndpoint::new(
        "endpoint-openai-usage-local-1".to_string(),
        "provider-openai-usage-local-1".to_string(),
        "openai:chat".to_string(),
        Some("openai".to_string()),
        Some("chat".to_string()),
        true,
    )
    .expect("endpoint should build")
    .with_transport_fields(
        "https://api.openai.example/v1".to_string(),
        None,
        None,
        Some(2),
        None,
        None,
        None,
        None,
    )
    .expect("endpoint transport should build")
}

pub(super) fn sample_local_openai_key() -> StoredProviderCatalogKey {
    StoredProviderCatalogKey::new(
        "key-openai-usage-local-1".to_string(),
        "provider-openai-usage-local-1".to_string(),
        "prod".to_string(),
        "api_key".to_string(),
        None,
        true,
    )
    .expect("key should build")
    .with_transport_fields(
        Some(serde_json::json!(["openai:chat"])),
        encrypt_python_fernet_plaintext(DEVELOPMENT_ENCRYPTION_KEY, "sk-upstream-openai")
            .expect("api key should encrypt"),
        None,
        None,
        Some(serde_json::json!({"openai:chat": 1})),
        None,
        None,
        None,
        None,
    )
    .expect("key transport should build")
}

mod direct;
mod local;
mod pricing;
mod wallet;