import CommandClient
import ConfigurationClient
import Dependencies
import DependenciesMacros
import FileClient
import Foundation
import ShellClient

// TODO: Add update checks and pull for the playbook.

public extension DependencyValues {
  var playbookClient: PlaybookClient {
    get { self[PlaybookClient.self] }
    set { self[PlaybookClient.self] = newValue }
  }
}

@DependencyClient
public struct PlaybookClient: Sendable {
  public var repository: Repository
  public var run: RunPlaybook
}

public extension PlaybookClient {

  @DependencyClient
  struct Repository: Sendable {
    public var install: @Sendable (Configuration?) async throws -> Void
    public var directory: @Sendable (Configuration?) async throws -> String

    public func install() async throws {
      try await install(nil)
    }

    public func directory() async throws -> String {
      try await directory(nil)
    }
  }
}

public extension PlaybookClient {

  @DependencyClient
  struct RunPlaybook: Sendable {
    public var buildProject: @Sendable (BuildOptions) async throws -> Void
    public var createProject: @Sendable (CreateOptions, JSONEncoder?) async throws -> Void
    public var generateTemplate: @Sendable (GenerateTemplateOptions) async throws -> String

    public func createProject(_ options: CreateOptions) async throws {
      try await createProject(options, nil)
    }

    public struct SharedRunOptions: Equatable, Sendable {
      public let extraOptions: [String]?
      public let inventoryFilePath: String?
      public let loggingOptions: LoggingOptions
      public let quiet: Bool
      public let shell: String?

      public init(
        extraOptions: [String]? = nil,
        inventoryFilePath: String? = nil,
        loggingOptions: LoggingOptions,
        quiet: Bool = false,
        shell: String? = nil
      ) {
        self.extraOptions = extraOptions
        self.inventoryFilePath = inventoryFilePath
        self.loggingOptions = loggingOptions
        self.quiet = quiet
        self.shell = shell
      }
    }

    @dynamicMemberLookup
    public struct BuildOptions: Equatable, Sendable {
      public let projectDirectory: String?
      public let shared: SharedRunOptions

      public init(
        projectDirectory: String? = nil,
        shared: SharedRunOptions
      ) {
        self.projectDirectory = projectDirectory
        self.shared = shared
      }

      public subscript<T>(dynamicMember keyPath: KeyPath<SharedRunOptions, T>) -> T {
        shared[keyPath: keyPath]
      }
    }

    @dynamicMemberLookup
    public struct CreateOptions: Equatable, Sendable {
      public let projectDirectory: String
      public let shared: SharedRunOptions
      public let template: Configuration.Template?
      public let useLocalTemplateDirectory: Bool

      public init(
        projectDirectory: String,
        shared: SharedRunOptions,
        template: Configuration.Template? = nil,
        useLocalTemplateDirectory: Bool
      ) {
        self.projectDirectory = projectDirectory
        self.shared = shared
        self.template = template
        self.useLocalTemplateDirectory = useLocalTemplateDirectory
      }

      public subscript<T>(dynamicMember keyPath: KeyPath<SharedRunOptions, T>) -> T {
        shared[keyPath: keyPath]
      }
    }

    @dynamicMemberLookup
    public struct GenerateTemplateOptions: Equatable, Sendable {
      public let shared: SharedRunOptions
      public let templateDirectory: String
      public let templateVarsDirectory: String?
      public let useVault: Bool

      public init(
        shared: SharedRunOptions,
        templateDirectory: String,
        templateVarsDirectory: String? = nil,
        useVault: Bool = true
      ) {
        self.shared = shared
        self.templateDirectory = templateDirectory
        self.templateVarsDirectory = templateVarsDirectory
        self.useVault = useVault
      }

      public subscript<T>(dynamicMember keyPath: KeyPath<SharedRunOptions, T>) -> T {
        shared[keyPath: keyPath]
      }
    }
  }
}

extension PlaybookClient.Repository: DependencyKey {
  public static var liveValue: Self {
    .init {
      try await installPlaybook(configuration: $0)
    } directory: {
      try await findDirectory(configuration: $0)
    }
  }
}

extension PlaybookClient.RunPlaybook: DependencyKey {
  public static var liveValue: PlaybookClient.RunPlaybook {
    .init(
      buildProject: { try await $0.run() },
      createProject: { try await $0.run(encoder: $1) },
      generateTemplate: { try await $0.run() }
    )
  }
}

extension PlaybookClient: DependencyKey {
  public static let testValue: PlaybookClient = Self(
    repository: Repository(),
    run: RunPlaybook()
  )

  public static var liveValue: PlaybookClient {
    .init(
      repository: .liveValue,
      run: .liveValue
    )
  }
}