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{{>licenseInfo}}
package {{apiPackage}}

import com.google.gson.Gson
import io.ktor.application.call
import io.ktor.auth.UserIdPrincipal
import io.ktor.auth.authentication
import io.ktor.auth.basicAuthentication
import io.ktor.auth.oauth
import io.ktor.auth.OAuthAccessTokenResponse
import io.ktor.auth.OAuthServerSettings
import io.ktor.http.ContentType
import io.ktor.http.HttpStatusCode
import io.ktor.locations.*
import io.ktor.response.respond
import io.ktor.response.respondText
import io.ktor.routing.*

import kotlinx.coroutines.experimental.asCoroutineDispatcher

import {{packageName}}.ApplicationAuthProviders
import {{packageName}}.Paths
import {{packageName}}.ApplicationExecutors
import {{packageName}}.HTTP.client
import {{packageName}}.infrastructure.ApiPrincipal
import {{packageName}}.infrastructure.apiKeyAuth

// ktor 0.9.x is missing io.ktor.locations.DELETE, this adds it.
// see https://github.com/ktorio/ktor/issues/288
import {{packageName}}.delete

{{#imports}}import {{import}}
{{/imports}}

{{#operations}}
fun Route.{{classname}}() {
    val gson = Gson()
    val empty = mutableMapOf()
{{#operation}}
    {{#bodyAllowed}}

    route("{{path}}") {
        {{#lambda.lowercase}}{{httpMethod}}{{/lambda.lowercase}} {
            {{#lambda.indented_12}}{{>libraries/ktor/_api_body}}{{/lambda.indented_12}}
        }
    }
    {{/bodyAllowed}}
    {{^bodyAllowed}}

    {{! NOTE: Locations can be used on routes without body parameters.}}
    {{#lambda.lowercase}}{{httpMethod}}{{/lambda.lowercase}} {  it: Paths.{{operationId}} ->
        {{#lambda.indented_8}}{{>libraries/ktor/_api_body}}{{/lambda.indented_8}}
    }
    {{/bodyAllowed}}
    {{! THis looks a little weird, but it's completely valid Kotlin code, and simplifies templated route logic above. }}
    {{#hasAuthMethods}}.apply {
      // TODO: ktor doesn't allow different authentication registrations for endpoints sharing the same path but different methods.
      //       It could be the authentication block is being abused here. Until this is resolved, swallow duplicate exceptions.

        try {
            authentication {
                {{#authMethods}}
                {{#isBasic}}
                basicAuthentication("{{{name}}}") { credentials ->
                    // TODO: "Apply your basic authentication functionality."
                    // Accessible in-method via call.principal()
                    if (credentials.name == "Swagger" && "Codegen" == credentials.password) {
                         UserIdPrincipal(credentials.name)
                    } else {
                        null
                    }
                }
                {{/isBasic}}
                {{#isApiKey}}
                // "Implement API key auth ({{{name}}}) for parameter name '{{{keyParamName}}}'."
                apiKeyAuth("{{{keyParamName}}}", {{#isKeyInQuery}}"query"{{/isKeyInQuery}}{{#isKeyInHeader}}"header"{{/isKeyInHeader}}) {
                    // TODO: "Verify key here , accessible as it.value"
                    if (it.value == "keyboardcat") {
                         ApiPrincipal(it)
                    } else {
                        null
                    }
                }
                {{/isApiKey}}
                {{#isOAuth}}
                {{#bodyAllowed}}
                oauth(client, ApplicationExecutors.asCoroutineDispatcher(), { ApplicationAuthProviders["{{{name}}}"] }, {
                    // TODO: define a callback url here.
                    "/"
                })
                {{/bodyAllowed}}
                {{^bodyAllowed}}
                oauthAtLocation(client, ApplicationExecutors.asCoroutineDispatcher(),
                        providerLookup = { ApplicationAuthProviders["{{{name}}}"] },
                        urlProvider = { currentLocation, provider ->
                           // TODO: define a callback url here.
                           "/"
                        })
                {{/bodyAllowed}}
                {{/isOAuth}}
                {{/authMethods}}
            }
        } catch(e: io.ktor.application.DuplicateApplicationFeatureException){
            application.environment.log.warn("authentication block for '{{path}}' is duplicated in code. " +
            "Generated endpoints may need to be merged under a 'route' entry.")
        }
    }
    {{/hasAuthMethods}}
    {{^hasAuthMethods}}

    {{/hasAuthMethods}}
{{/operation}}
}
{{/operations}}




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