load(
    "@drake//tools/skylark:drake_cc.bzl",
    "drake_cc_googletest",
    "drake_cc_library",
    "drake_cc_package_library",
)
load("//tools/lint:lint.bzl", "add_lint_tests")

package(default_visibility = ["//visibility:public"])

drake_cc_package_library(
    name = "trajectory_optimization",
    visibility = ["//visibility:public"],
    deps = [
        ":direct_collocation",
        ":direct_transcription",
        ":integration_constraint",
        ":kinematic_trajectory_optimization",
        ":multiple_shooting",
        ":sequential_expression_manager",
    ],
)

drake_cc_library(
    name = "sequential_expression_manager",
    srcs = ["sequential_expression_manager.cc"],
    hdrs = [
        "sequential_expression_manager.h",
    ],
    deps = [
        "//common:essential",
        "//common:unused",
        "//common/symbolic:expression",
    ],
)

drake_cc_library(
    name = "multiple_shooting",
    srcs = ["multiple_shooting.cc"],
    hdrs = ["multiple_shooting.h"],
    deps = [
        ":sequential_expression_manager",
        "//common:essential",
        "//common/trajectories:piecewise_polynomial",
        "//solvers:ipopt_solver",
        "//solvers:mathematical_program",
        "//solvers:solve",
    ],
)

drake_cc_library(
    name = "direct_collocation",
    srcs = [
        "direct_collocation.cc",
    ],
    hdrs = [
        "direct_collocation.h",
    ],
    deps = [
        ":multiple_shooting",
        "//math:autodiff",
        "//math:gradient",
        "//systems/framework",
    ],
)

drake_cc_library(
    name = "direct_transcription",
    srcs = [
        "direct_transcription.cc",
    ],
    hdrs = [
        "direct_transcription.h",
    ],
    deps = [
        ":multiple_shooting",
        "//common/symbolic:polynomial",
        "//common/trajectories:piecewise_polynomial",
        "//math:autodiff",
        "//math:gradient",
        "//systems/analysis:explicit_euler_integrator",
        "//systems/analysis:integrator_base",
        "//systems/framework",
        "//systems/primitives:linear_system",
    ],
)

drake_cc_library(
    name = "kinematic_trajectory_optimization",
    srcs = ["kinematic_trajectory_optimization.cc"],
    hdrs = ["kinematic_trajectory_optimization.h"],
    deps = [
        "//common",
        "//common/trajectories:bspline_trajectory",
        "//math:bspline_basis",
        "//math:gradient",
        "//math:matrix_util",
        "//solvers:mathematical_program",
        "//solvers:mathematical_program_result",
    ],
)

drake_cc_library(
    name = "integration_constraint",
    srcs = ["integration_constraint.cc"],
    hdrs = ["integration_constraint.h"],
    deps = [
        "//solvers:constraint",
    ],
)

# === test/ ===

drake_cc_googletest(
    name = "multiple_shooting_test",
    deps = [
        ":multiple_shooting",
        "//common/test_utilities:eigen_matrix_compare",
        "//solvers:osqp_solver",
        "//solvers:solve",
    ],
)

drake_cc_googletest(
    name = "direct_collocation_test",
    deps = [
        ":direct_collocation",
        "//common/test_utilities:eigen_matrix_compare",
        "//common/test_utilities:expect_throws_message",
        "//examples/rimless_wheel",
        "//multibody/benchmarks/pendulum",
        "//solvers:solve",
        "//systems/primitives:linear_system",
    ],
)

drake_cc_googletest(
    name = "direct_transcription_test",
    data = ["//examples/pendulum:models"],
    # This test has two duplicated long cases; run them in parallel.
    shard_count = 4,
    deps = [
        ":direct_transcription",
        "//common/test_utilities:eigen_matrix_compare",
        "//common/test_utilities:expect_throws_message",
        "//multibody/parsing",
        "//multibody/plant",
        "//solvers:snopt_solver",
        "//solvers:solve",
        "//systems/primitives:symbolic_vector_system",
        "//systems/primitives:trajectory_linear_system",
    ],
)

drake_cc_googletest(
    name = "kinematic_trajectory_optimization_test",
    deps = [
        ":kinematic_trajectory_optimization",
        "//common/test_utilities:eigen_matrix_compare",
        "//solvers:constraint",
        "//solvers:solve",
    ],
)

drake_cc_googletest(
    name = "sequential_expression_manager_test",
    deps = [
        ":sequential_expression_manager",
        "//common/test_utilities:expect_throws_message",
        "@fmt",
    ],
)

drake_cc_googletest(
    name = "integration_constraint_test",
    deps = [
        ":integration_constraint",
        "//common/test_utilities:eigen_matrix_compare",
        "//math:gradient",
    ],
)

add_lint_tests()