(ns codegen3.ari4java

(:require [codegen3.javagen :as jg]

[clojure.spec.alpha :as s]

[orchestra.spec.test :as st]

[codegen3.signatures :as sgn]))

(def IMPORTS_GENERATED_MODELS [

"ch.loway.oss.ari4java.generated.*"

"com.fasterxml.jackson.databind.annotation.JsonDeserialize"

"java.util.Date"

"java.util.List"

"java.util.Map" ])

(def IMPORTS_INTERFACES_MODELS [

"java.util.Date"

"java.util.List"

"java.util.Map"

"java.util.ArrayList"

"ch.loway.oss.ari4java.tools.RestException"

"ch.loway.oss.ari4java.tools.AriCallback"

"ch.loway.oss.ari4java.tools.tags.*"

])

(defn eventSources

"At the moment the list of EventSources is fixed.

[]

#{ :Bridge :Channel :Endpoint :DeviceState })

(defn isEvtSource

"A set can be looked-up as a function of its members"

[model]

(some? ((eventSources) model)))

(defn models-for

"A list of models for an ARI version.

[DB version]

(let [entries (-> DB version keys)]

(reduce into {}

(for [entry entries]

(-> DB version entry :models)))))

(defn model-names-for

[DB version]

(keys (models-for DB version)))

(defn all-ari-versions [db]

(keys db))

(defn all-possible-model-names

"Returns a list of all possible model names across all ARI versions"

[DB]

(reduce into #{}

(map (partial model-names-for DB)

(all-ari-versions DB))))

(defn get-model- [DB version name]

"Reads a model given a version and a name.

(let [am (-> DB version :applications :models name)

em (-> DB version :events :models name)]

(cond

(and (nil? em) (nil? am))

nil

(nil? em)

(into {:cljid name :ver version :isevt false} am)

:else

(into {:cljid name :ver version :isevt true} em))))

(defn get-model [DB version name]

"Reads a model given a version and a name.

(let [entries (-> DB version keys)

lzModels (map #(-> DB version % :models name) entries)

found (first (filter some? lzModels))]

(cond

(nil? found) nil

:else (into {:cljid name :ver version :isevt false} found)

)))

(defn merge-property

"Derives an annotated property from an existing annotated

[ap1 p2 name version]

;(prn "mergeprop" ap1 p2 name version)

(cond

(nil? ap1)

(into {:versions [version] :name name} p2)

:else

(cond

(= (:type ap1) (:type p2))

(into ap1 {:versions (conj (:versions ap1) version)})

:else-exception

(throw (IllegalArgumentException.

(str "Different type in version: " version " for ap1:" ap1 " p2:" p2 ))))

))

(defn props-set

"Given a list of models and a prop to extract,

[vModels prop]

(let [allprops (map

(fn [model]

{:ver (:ver model)

:name prop

:prop (get-in model [:properties prop])})

vModels)

; a prop might not exist

allexistingprops (filter #(some? (:prop %)) allprops)

]

(reduce (fn [a v] (merge-property a (:prop v) prop (:ver v)))

nil

allexistingprops)

)

)

(defn model-info

"What do we know about this model across our entire database?

[DB name]

(let [models (map #(get-model DB % name) (all-ari-versions DB))

found (filter some? models)

versions (map :ver found)

lastmod (last found)

allpropnames (keys (reduce into {} (map :properties found)))

allprops (map (partial props-set found) allpropnames)

]

{:model name

:versions (vec versions)

:dscr (:description lastmod)

:evt (:isevt lastmod)

:properties (vec allprops)

;:_fnd found

}

))

(defn get-property-description [prop]

(str (:description prop)

"\n"

"\n"

"Supported versions: " (:versions prop)

)

)

(defn get-model-description [prop]

(str (:dscr prop)

"\n"

"\n"

"Supported versions: " (:versions prop)

"\n"

"DEBUG:" prop "\n"

)

)

(defn generate-model-concrete

[model]

(jg/mkDataClass

"ch.loway.oss.ari4java.generated"

(name (:model model))

(get-model-description model)

(mapv

(fn [prop]

{:type (jg/swagger->java

(:type prop) "")

:name (name (:name prop))

:comment (get-property-description prop)})

(:properties model)

)))

(defn generate-model-interface

[model]

(let [modelName (:model model)]

(jg/mkDataClassInterface

"ch.loway.oss.ari4java.generated"

(name modelName)

(if (isEvtSource modelName) " EventSource " nil ) ;; extends

[] ;; implements

IMPORTS_INTERFACES_MODELS

(get-model-description model)

(mapv

(fn [prop]

{:type (jg/swagger->java

(:type prop) "")

:name (name (:name prop))

:comment (get-property-description prop)

:interfaceonly true })

(:properties model)

))

)

)

(defn generate-model-interfaces

"Builds all model interfaces.

[DB]

(let [models (map (partial model-info DB) (all-possible-model-names DB) )]

(map generate-model-interface models)))

(defn generate-model-implementation

"An implementaion is like an interface, but:

[model ari]

(jg/mkDataClass

;(vec [

(str "ch.loway.oss.ari4java.generated." (name ari) ".models")

(str (name (:model model)) "_impl_" (name ari))

nil ;; extends

[ (name (:model model)) ] ;; implements

IMPORTS_GENERATED_MODELS

(get-model-description model)

(mapv

(fn [prop]

{:type (jg/swagger->java

(:type prop) "")

:name (name (:name prop))

:comment (get-property-description prop)

:notimplemented (not (some #{ari} (:versions prop) )) }

)

(:properties model))

; ]

))

(defn generate-model-implementations [DB]

(let [allaris (all-ari-versions DB)

allmodels (all-possible-model-names DB)

models (map (partial model-info DB) allmodels)]

(for [m models a allaris]

(generate-model-implementation m a)

;allaris

)))

(s/def ::odb_entry

(s/keys :req-un [::op_path

::op_description

::op_version

::op_action

::httpMethod

::summary

::nickname

::responseClass

::parameters

]))

(s/def ::odb

(s/coll-of ::odb_entry :kind sequential? ))

(defn dbDescr

"Loads a description of the DB in terms of aris and entities"

[DB]

(let [allaris (all-ari-versions DB)

allentities (reduce into #{}

(map #(-> DB % keys) allaris)) ]

{:aris (vec (sort allaris))

:ents (vec (sort allentities))} ))

(s/fdef opsDb

:ret ::odb)

(defn opsDb

"Loads a flat operations DB that can be easily filtered.

[DB]

(let [{aris :aris ents :ents} (dbDescr DB)]

(vec

(flatten

(for [ari aris

ent ents]

(let [apis (-> DB ari ent :apis)]

(for [api apis]

(let [path (:path api)

descr (:description api)

ops (:operations api)]

(map

(fn [op] (let [parms (get op :parameters [])

newParms (map #(into {:required true :allowMultiple false} %) parms) ]

(into {:op_path path

:op_description descr

:op_version ari

:op_action ent

; sometimes those are missing

:parameters []

} (into op {:parameters newParms}))))

ops)))))))))

(defn findParams

[odb pred]

(filter

#(pos? (count (filter pred (:parameters %)) ) )

odb

))

(defn viewMethod [odb ari name]

(let [predAri (cond

(nil? ari) #(= 1 1)

:else #(= ari (:op_version %)))

predName #(= name (:nickname %))

]

(filter

#(and (predAri %) (predName %))

odb

)))

(defn find-enums

[odb]

(let [parms (flatten (map :parameters odb))

wEnum (filter #(= "LIST" (-> % :allowableValues :valueType) ) parms)

tuples (map (fn [p] [(:name p) (set (-> p :allowableValues :values)) ]) wEnum)

groups (group-by first tuples)

mapk (map (fn [[k v]] [k (reduce into #{} (map second v)) ] ) groups)

]

(into {} mapk)))

(defn generate-enum-classes [odb]

(let [ens (find-enums odb)]

(map

(fn [[k v]]

(jg/mkEnum "ch.loway.oss.ari4java.generated.enums" k "-" v))

ens

)))

(defn generate-ari-builder-interface

"public abstract ActionApplications actionApplications();"

[allmods allactions]

(let [allObj (sort (into allmods allactions))]

{

:isInterface true

:classname "AriBuilder"

:package "ch.loway.app.oss.ari4java.generated"

:imports [ "ch.loway.oss.ari4java.ARI" ]

:notes ""

:stanzas (into

["public abstract ARI.ClassFactory getClassFactory();"]

(map #(str "public abstract "

(jg/className (name %))

" "

(jg/lcName (name %))

"();")

allObj))

}))

(defn generate-ari-builder-impl

"public abstract ActionApplications actionApplications();"

[version DB allmods allactions]

(let [allObj (sort (into allmods allactions))

ver (name version)

pkg (str "ch.loway.app.oss.ari4java.generated." ver)

knownModels (set (model-names-for DB version))

]

{

:classname (str "AriBuilder_impl_" (name version))

:package pkg

:imports [ (str pkg ".models.*;")

(str pkg ".actions.*;")

"ch.loway.oss.ari4java.generated.*"

"ch.loway.oss.ari4java.ARI" ]

:implements "AriBuilder"

:notes ""

:functions (map (fn [x]

{:method (jg/lcName (name x))

:returns (jg/className (name x))

:body (cond

(knownModels x)

(str "return new "

(jg/className (name x))

"_impl_"

ver

"();")

:else

"throw new UnsupportedOperationException();")

})

allObj)

:stanzas (str "public ARI.ClassFactory getClassFactory() {\n"

"return new ClassTranslator_impl_" ver "();\n};\n")

}))

(defn generate-class-translator-impl

""

[version DB allmods allactions]

(let [allObj (sort (into allmods allactions))

ver (name version)

pkg (str "ch.loway.app.oss.ari4java.generated." ver)

knownModels (set (model-names-for DB version))

]

{

:classname (str "ClassTranslator_impl_" (name version))

:package pkg

:imports [ (str pkg ".models.*;")

(str pkg ".actions.*;")

"ch.loway.oss.ari4java.generated.*"

"ch.loway.oss.ari4java.ARI" ]

:implements "ARI.ClassFactory"

:notes ""

:stanzas (str "@Override\n"

"public Class getImplementationFor(Class interfaceClass) { \n"

(apply str (map (fn [o] (str "if ( interfaceClass.equals("

(name o) ".class) ) {\n"

"return (" (name o) "_impl_" ver ".class);\n"

"} else \n")) allObj))

"{\n return null;\n } }"

)

}))

(defn generate-ari-builders

"We generate a generic AriBuilder interface for

[DB]

(let [allaris (all-ari-versions DB)

allmods (all-possible-model-names DB)

allacts [] ]

(flatten

[(generate-ari-builder-interface allmods allacts)

(map #(generate-ari-builder-impl % DB allmods allacts) allaris)

(map #(generate-class-translator-impl % DB allmods allacts) allaris)]

)))

(defn allActions [ODB]

(->> ODB

(map :op_action)

set

sort

vec ))

(s/fdef allActions

:args (s/cat :odb ::odb)

:ret vector?)

(s/fdef signature

:args (s/cat :dbe ::odb_entry))

(defn signature

"Gets a signature tuple. [{:nick....} :ari_0]

[dbe]

(let [p (get dbe :parameters [])]

[{:nickname (:nickname dbe)

:parms (sgn/explode-parms-permutations p)

:responseClass (:responseClass dbe)

}

(:op_version dbe)]

))

(s/def ::tuple

(s/and vector?

#(= 2 (count %)) ))

(s/fdef groupTuples

:args (s/cat :tuples (s/coll-of ::tuple ))

:ret map?)

(defn groupTuples

"Translates a sequence of [ [item tag]...]

[sTuples]

(into {}

(map

(fn [[k v]] [k (mapv second v)] )

(group-by first sTuples))))

(s/fdef allSignaturesForAction

:args (s/cat :dbe ::odb

:action keyword?))

(defn allSignaturesForAction

[ODB action]

(let [odb (filter #(= action (:op_action %)) ODB)]

(groupTuples (mapv signature odb))))

(defn getMethodDetails [ODB action ariVer nick]

(let [methods (filter #(and (= ariVer (:op_version %))

(= action (:op_action %))

(= nick (:nickname %)))

ODB)

_ (cond

(not= 1 (count methods))

(throw (IllegalArgumentException.

("Multiple or missing methods " ariVer action nick " found:" (count methods)))))

:returns "void"

(conj parmNames "callback")

(conj parameters (str "AriCallback<" (:responseClass methodSig) ">" )))

:classname (jg/camelName "Action" (name action))

:package "ch.loway.oss.ari4java.generated"

"Turns a database into a set of interfaces and classes."