# fossil. It looks like the one from tcllib is exactly what we need.
# On ActiveTcl, add it with teacup. On other platforms, YMMV.
# teacup install json
# teacup install json::write
package require json

# Make sure we have a build with the json command at all and that it
# is not stubbed out. This assumes the current (as of 2016-01-27)
# practice of eliminating all trace of the fossil json command when
# not configured. If that changes, these conditions might not prevent
# the rest of this file from running.
fossil help -a
if {[string first json $RESULT] eq ""} {
  puts "Fossil was not compiled with JSON support."; return
}
fossil json -expectError 
if {$RESULT eq ""} {
  puts "Fossil was not compiled with JSON support."; return

  regexp {^HTTP\S+\s+(\d\d\d)\s+(.*)$} $head dummy status msg
  if {$status eq "200"} {
    set JR [::json::json2dict $body]
  }
  return $status
}

# Inspect a dict for keys it must have and keys it must not have

proc test_dict_keys {testname D okfields badfields} {

  set i 1
  foreach f $okfields {
    test "$testname-$i" {[dict exists $D $f]}
    incr i
  }
  foreach f $badfields {
    test "$testname-$i" {![dict exists $D $f]}
    incr i
  }
}

# Inspect the envelope part of a returned JSON structure to confirm
# that it has specific fields and that it lacks specific fields.
proc test_json_envelope {testname okfields badfields} {
  test_dict_keys $testname $::JR $okfields $badfields
}

# Inspect the envelope of a normal successful result
proc test_json_envelope_ok {testname} {
  test_json_envelope $testname [concat fossil timestamp command procTimeUs \
  procTimeMs payload] [concat resultCode resultText]
}

# Inspect the payload of a successful result to confirm that it has
# specific fields and that it lacks specific fields.
proc test_json_payload {testname okfields badfields} {






  test_dict_keys $testname [dict get $::JR payload] $okfields $badfields



}

#### VERSION AKA HAI

# The JSON API generally assumes we have a respository, so let it have one.
repo_init

set UUID_empty da39a3ee5e6b4b0d3255bfef95601890afd80709
write_file empty ""
fossil add empty
fossil ci -m "empty file"

# json artifact (checkin)
fossil_json [concat artifact tip]
test_json_envelope_ok json-artifact-checkin-env
test json-artifact-checkin {[dict get $JR payload type] eq "checkin"}
test_json_payload json-artifact \
[concat type uuid isLeaf timestamp user comment parents tags files] {}

# json artifact (file)
fossil_json [concat artifact $UUID_empty]
test_json_envelope_ok json-artifact-file-env
test json-artifact-file {[dict get $JR payload type] eq "file"}
test_json_payload json-artifact [concat type uuid size checkins] {}

# json artifact (wiki)
fossil wiki create Empty <<""
fossil_json wiki get Empty
test json-wiki-get {[dict get $JR payload name] eq "Empty"}
set uuid [dict get $JR payload uuid]
fossil_json artifact $uuid
test_json_envelope_ok json-artifact-wiki-env
test json-artifact-wiki {[dict get $JR payload type] eq "wiki"}
test_json_payload json-artifact-wiki [list type uuid artifact] {}
set artifact [dict get $JR payload artifact]
test_dict_keys json-artifact-wiki-artifact $artifact \
  [list name uuid user timestamp size] {}
# name, uuid, parent?, user, timestamp, size?, content?


#### AUTHENTICATION
#### BRANCHES
#### CONFIG
#### DIFFS
#### DIRECTORY LISTING
#### FILE INFO
#### QUERY
#### STATS
#### STATUS
#### TAGS
#### TICKETS
#### TICKET REPORTS
#### TIMELINE
#### USER MANAGEMENT

#### WIKI

# wiki list
fossil_json wiki list
test_json_envelope_ok json-wiki-list-env 
set pages  [dict get $JR payload]
test json-wiki-1 {[llength $pages] == 1}
test json-wiki-2 {[lindex  $pages 0] eq "Empty"}
fossil_json wiki list --verbose
set pages  [dict get $JR payload]
test json-wiki-verbose-1 {[llength $pages] == 1}
test_dict_keys json-wiki-verbose-pages [lindex $pages 0] [list name uuid user timestamp size] {}

# wiki get
fossil_json wiki get Empty
test_json_envelope_ok json-wiki-get-env 
# this page has only one version, so no parent should be listed
test_json_payload json-wiki-get [list name uuid user timestamp size content] [list parent]


# wiki create
# requires an authToken? Not from CLI.

write_file req.json {
  {
    "command":"wiki/create",
    "payload":{
      "name":"Page2",
      "content":"Lorem ipsum dolor sic amet."
    }
  }
}
fossil_json --json-input req.json
test_json_envelope_ok json-wiki-create-env
fossil_json wiki get Page2
test_json_envelope_ok json-wiki-create-get-env
test_json_payload json-wiki-save-get [list name uuid user timestamp size content] {parent}
set uuid1 [dict get $JR payload uuid]

# wiki save

write_file req2.json {
  {
    "command":"wiki/save",
    "payload":{
      "name":"Page2",
      "content":"Lorem ipsum dolor sic amet.\nconsectetur adipisicing elit."
    }
  }
}
fossil_json --json-input req2.json
test_json_envelope_ok json-wiki-save-env
fossil_json wiki get Page2
test_json_envelope_ok json-wiki-save-get-env
test_json_payload json-wiki-save-get [list name uuid user timestamp size parent content] {}
set uuid2 [dict get $JR payload uuid]
test json-wiki-save-parent {[dict get $JR payload parent] eq $uuid1}

# wiki diff

fossil_json wiki diff $uuid1 $uuid2
test_json_envelope_ok json-wiki-diff-env
test_json_payload json-wiki-diff [list v1 v2 diff] {}
test json-wiki-diff-v1 {[dict get $JR payload v1] eq $uuid1}
test json-wiki-diff-v1 {[dict get $JR payload v2] eq $uuid2}
set diff [dict get $JR payload diff]
test json-wiki-diff-diff {[string first "+consectetur adipisicing elit" $diff] >= 0} ;#knownBug
#puts [dict get $JR payload diff]

#### UNAVOIDABLE MISC