1	import Base
2	import ../effs/io.bend as X
3	import ../plan/type.bend as P
4	import ../../environment/external/type.bend as Ex
5	import ./type.bend as Ct
6	import ./ops.bend as O
7	
8	# Each built container's stack against the repository at `root`: its dependencies (the nearest
9	# package.json at or above its source folder, the root go.mod, its .NET projects when it declares C#,
10	# and shadcn/ui when components.json sits beside that package.json) and the extensions of its source files.
11	
12	def under(+root: String, +dir: String, +file: String) -> String:
13	  Bool.pick(String, String.is_empty(dir), root ++ "/" ++ file, root ++ "/" ++ dir ++ "/" ++ file)
14	
15	# The first of these folders with a package.json, or "" (the root).
16	def package_dir(dirs: List<&2, String>, +root: String) -> IO(String):
17	  match dirs:
18	    case []:
19	      IO.pure(String, "")
20	    case +d <> rest:
21	      do IO<String>:
22	        text : String <- X.read(under(root, d, "package.json"))
23	        later : String <- package_dir(rest, root)
24	        return Bool.pick(String, String.is_empty(String.trim(text)), later, d)
25	
26	def project_file_if(is_project: Bool, +path: String, +root: String) -> IO(List<&2, String>):
27	  match is_project:
28	    case False{}:
29	      IO.pure(List<&2, String>, [])
30	    case True{}:
31	      do IO<List<&2, String>>:
32	        text : String <- X.read(root ++ "/" ++ path)
33	        return O.csproj_deps(String.lines(text))
34	
35	def project_file(+path: String, +root: String) -> IO(List<&2, String>):
36	  project_file_if(String.ends_with(path, ".csproj"), path, root)
37	
38	def project_dependencies(paths: List<&2, String>, +root: String) -> IO(List<&2, String>):
39	  match paths:
40	    case []:
41	      IO.pure(List<&2, String>, [])
42	    case +path <> rest:
43	      do IO<List<&2, String>>:
44	        one : List<&2, String> <- project_file(path, root)
45	        more : List<&2, String> <- project_dependencies(rest, root)
46	        return List.append(&2, String, one, more)
47	
48	def dotnet_dependencies(+root: String, +source: String, enabled: Bool) -> IO(List<&2, String>):
49	  match enabled:
50	    case False{}:
51	      IO.pure(List<&2, String>, [])
52	    case True{}:
53	      do IO<List<&2, String>>:
54	        out : String <- X.run("git", ["-C", root, "ls-files", "-co", "--exclude-standard", "--", source])
55	        project_dependencies(X.nonempty(String.lines(out)), root)
56	
57	def dependencies(+root: String, +source: String, +go: List<&2, String>, +dotnet: List<&2, String>) -> IO(List<&2, String>):
58	  do IO<List<&2, String>>:
59	    +dir : String <- package_dir(O.folders(source), root)
60	    package : String <- X.read(under(root, dir, "package.json"))
61	    components : String <- X.read(under(root, dir, "components.json"))
62	    return List.append(&2, String, O.package_deps(package),
63	      List.append(&2, String, go, List.append(&2, String, dotnet,
64	        Bool.pick(List<&2, String>, String.is_empty(String.trim(components)), [], ["shadcn/ui"]))))
65	
66	def extensions(+root: String, +source: String) -> IO(List<&2, String>):
67	  do IO<List<&2, String>>:
68	    out : String <- X.run("git", ["-C", root, "ls-files", "-co", "--exclude-standard", "--", source])
69	    return O.source_extensions(X.nonempty(String.lines(out)))
70	
71	def blocked(+what: String, xs: List<&2, String>, +why: String) -> List<&2, P.Step>:
72	  match xs:
73	    case []:
74	      []
75	    case x <> rest:
76	      P.Blocked{what, x ++ why} <> blocked(what, rest, why)
77	
78	def or_current(+what: String, bs: List<&2, P.Step>) -> List<&2, P.Step>:
79	  match bs:
80	    case []:
81	      [P.Current{what}]
82	    case b <> rest:
83	      b <> rest
84	
85	def check(+c: Ct.Container, +root: String, +xs: List<&2, Ex.External>, +go: List<&2, String>) -> IO(List<&2, P.Step>):
86	  do IO<List<&2, P.Step>>:
87	    dotnet : List<&2, String> <- dotnet_dependencies(root, O.source_of(c), O.uses_language(c, "C#"))
88	    +deps : List<&2, String> <- dependencies(root, O.source_of(c), go, dotnet)
89	    exts : List<&2, String> <- extensions(root, O.source_of(c))
90	    +what : String = "stack " ++ O.key_of(c)
91	    return or_current(what, List.append(&2, P.Step, blocked(what, O.stack_missing(c, deps), " is declared but not a dependency"),
92	      List.append(&2, P.Step, blocked(what, O.languages_missing(c, exts), " files have no declared language"),
93	        blocked(what, O.sdk_missing(c, xs, deps), " is the SDK of a model API it calls but not a dependency"))))
94	
95	def checks_with(cs: List<&2, Ct.Container>, +root: String, +xs: List<&2, Ex.External>, +go: List<&2, String>) -> IO(List<&2, P.Step>):
96	  match cs:
97	    case []:
98	      IO.pure(List<&2, P.Step>, [])
99	    case c <> rest:
100	      do IO<List<&2, P.Step>>:
101	        one : List<&2, P.Step> <- check(c, root, xs, go)
102	        more : List<&2, P.Step> <- checks_with(rest, root, xs, go)
103	        return List.append(&2, P.Step, one, more)
104	
105	# The stack of every container built from the repository at `root`.
106	def checks(+root: String, cs: List<&2, Ct.Container>, +xs: List<&2, Ex.External>) -> IO(List<&2, P.Step>):
107	  do IO<List<&2, P.Step>>:
108	    mod : String <- X.read(root ++ "/go.mod")
109	    checks_with(O.built(cs), root, xs, O.go_deps(String.lines(mod)))